There is no need for the legacy flag any longer for gpio as the omap-sham
driver has been fixed to not rely on pm_runtime_irq_safe().
Signed-off-by: Tony Lindgren <tony@atomide.com>
There is no need for the legacy flag any longer for gpio as the gpio-omap
driver has been fixed to not rely on pm_runtime_irq_safe().
Signed-off-by: Tony Lindgren <tony@atomide.com>
Let's add handling the otg force idle quirk for the old omap2430 glue layer
used up to omap4 as the musb driver quirk only works if the driver is
loaded. Unlike with the am335x glue layer, looks like we don't need the
quirk handling for SYSC_QUIRK_REINIT_ON_CTX_LOST.
Eventually when all the musb using SoCs are booting with device tree based
configuration, we can just remove the related quirk handling from the
musb driver.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Let's use SYSC_QUIRK_REINIT_ON_CTX_LOST quirk for am335x otg instead of
SYSC_QUIRK_REINIT_ON_RESUME quirk as we can now handle the context loss
in a more generic way.
Signed-off-by: Tony Lindgren <tony@atomide.com>
At least on am335x, the gpmc module needs a re-init and reset if context
has been lost on resume. We can enable this for all gpmc revisions as we
check if the context was lost before restoring it.
Signed-off-by: Tony Lindgren <tony@atomide.com>
At least am335x gpmc module needs a reset in addition to re-init on resume.
Let's add a quirk handling for reset on re-init.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some interconnect target modules such as otg and gpmc on am335x need a
re-init after resume. As we also have PM runtime cases where the context
may be lost, let's handle these all with cpu_pm.
For the am335x resume path, we already have cpu_pm_resume() call
cpu_pm_cluster_exit().
Signed-off-by: Tony Lindgren <tony@atomide.com>
There is no need to restore context if it was not lost. Let's add a new
function sysc_check_context() to check for lost context. To make use of it,
we need to save the sysconfig register status on enable and disable.
Signed-off-by: Tony Lindgren <tony@atomide.com>
On resume we can get a warning at kernel/time/timekeeping.c:824 for
timekeeping_suspended.
Let's fix this by adding separate functions for sysc_poll_reset_sysstatus()
and sysc_poll_reset_sysconfig() and have the new functions handle also
timekeeping_suspended.
If iopoll at some point supports timekeeping_suspended, we can just drop
the custom handling from these functions.
Fixes: d46f9fbec7 ("bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit")
Signed-off-by: Tony Lindgren <tony@atomide.com>
These are updates for drivers that are tied to a particular SoC,
including the correspondig device tree bindings:
- A couple of reset controller changes for unisoc, uniphier, renesas
and zte platforms
- memory controller driver fixes for omap and tegra
- Rockchip io domain driver updates
- Lots of updates for qualcomm platforms, mostly touching their
firmware and power management drivers
- Tegra FUSE and firmware driver updateѕ
- Support for virtio transports in the SCMI firmware framework
- cleanup of ixp4xx drivers, towards enabling multiplatform
support and bringing it up to date with modern platforms
- Minor updates for keystone, mediatek, omap, renesas.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iD8DBQBhLz215t5GS2LDRf4RAjlHAJ473D0PymaTzv68EuPHThG+DEPifQCdGjLq
QGBB6JidIP8rtEdC+LWBB8I=
=M5+N
-----END PGP SIGNATURE-----
Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are updates for drivers that are tied to a particular SoC,
including the correspondig device tree bindings:
- A couple of reset controller changes for unisoc, uniphier, renesas
and zte platforms
- memory controller driver fixes for omap and tegra
- Rockchip io domain driver updates
- Lots of updates for qualcomm platforms, mostly touching their
firmware and power management drivers
- Tegra FUSE and firmware driver updateѕ
- Support for virtio transports in the SCMI firmware framework
- cleanup of ixp4xx drivers, towards enabling multiplatform support
and bringing it up to date with modern platforms
- Minor updates for keystone, mediatek, omap, renesas"
* tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
reset: simple: remove ZTE details in Kconfig help
soc: rockchip: io-domain: Remove unneeded semicolon
soc: rockchip: io-domain: add rk3568 support
dt-bindings: power: add rk3568-pmu-io-domain support
bus: ixp4xx: return on error in ixp4xx_exp_probe()
soc: renesas: Prefer memcpy() over strcpy()
firmware: tegra: Stop using seq_get_buf()
soc/tegra: fuse: Enable fuse clock on suspend for Tegra124
soc/tegra: fuse: Add runtime PM support
soc/tegra: fuse: Clear fuse->clk on driver probe failure
soc/tegra: pmc: Prevent racing with cpuilde driver
soc/tegra: bpmp: Remove unused including <linux/version.h>
dt-bindings: soc: ti: pruss: Add dma-coherent property
soc: ti: Remove pm_runtime_irq_safe() usage for smartreflex
soc: ti: pruss: Enable support for ICSSG subsystems on K3 AM64x SoCs
dt-bindings: soc: ti: pruss: Update bindings for K3 AM64x SoCs
firmware: arm_scmi: Use WARN_ON() to check configured transports
firmware: arm_scmi: Fix boolconv.cocci warnings
soc: mediatek: mmsys: Fix missing UFOE component in mt8173 table routing
soc: mediatek: mmsys: add MT8365 support
...
Here is the big set of driver core patches for 5.15-rc1.
These do change a number of different things across different
subsystems, and because of that, there were 2 stable tags created that
might have already come into your tree from different pulls that did the
following
- changed the bus remove callback to return void
- sysfs iomem_get_mapping rework
The latter one will cause a tiny merge issue with your tree, as there
was a last-minute fix for this in 5.14 in your tree, but the fixup
should be "obvious". If you want me to provide a fixed merge for this,
please let me know.
Other than those two things, there's only a few small things in here:
- kernfs performance improvements for huge numbers of sysfs
users at once
- tiny api cleanups
- other minor changes
All of these have been in linux-next for a while with no reported
problems, other than the before-mentioned merge issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYS+FLQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ylXuACfWECnysDtXNe66DdETCFs1a1RToYAoMokWeU5
s8VFP1NY2BjmxJbkebLL
=8kVu
-----END PGP SIGNATURE-----
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core patches for 5.15-rc1.
These do change a number of different things across different
subsystems, and because of that, there were 2 stable tags created that
might have already come into your tree from different pulls that did
the following
- changed the bus remove callback to return void
- sysfs iomem_get_mapping rework
Other than those two things, there's only a few small things in here:
- kernfs performance improvements for huge numbers of sysfs users at
once
- tiny api cleanups
- other minor changes
All of these have been in linux-next for a while with no reported
problems, other than the before-mentioned merge issue"
* tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (33 commits)
MAINTAINERS: Add dri-devel for component.[hc]
driver core: platform: Remove platform_device_add_properties()
ARM: tegra: paz00: Handle device properties with software node API
bitmap: extend comment to bitmap_print_bitmask/list_to_buf
drivers/base/node.c: use bin_attribute to break the size limitation of cpumap ABI
topology: use bin_attribute to break the size limitation of cpumap ABI
lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list
sysfs: Rename struct bin_attribute member to f_mapping
sysfs: Invoke iomem_get_mapping() from the sysfs open callback
debugfs: Return error during {full/open}_proxy_open() on rmmod
zorro: Drop useless (and hardly used) .driver member in struct zorro_dev
zorro: Simplify remove callback
sh: superhyway: Simplify check in remove callback
nubus: Simplify check in remove callback
nubus: Make struct nubus_driver::remove return void
kernfs: dont call d_splice_alias() under kernfs node lock
kernfs: use i_lock to protect concurrent inode updates
kernfs: switch kernfs to use an rwsem
kernfs: use VFS negative dentry caching
...
Here is the big set of char/misc driver changes for 5.15-rc1.
Lots of different driver subsystems are being updated in here, notably:
- mhi subsystem update
- fpga subsystem update
- coresight/hwtracing subsystem update
- interconnect subsystem update
- nvmem subsystem update
- parport drivers update
- phy subsystem update
- soundwire subsystem update
and there are some other char/misc drivers being updated as well:
- binder driver additions
- new misc drivers
- lkdtm driver updates
- mei driver updates
- sram driver updates
- other minor driver updates.
Note, there are no habanna labs driver updates in this pull request,
that will probably come later before -rc1 is out in a different request.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYS+Kyw8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ymlpACg0JM+hSeo8T5GtwZksZ1QXXQfh8sAoK6Dt6xF
e62OQuuMFT0Un0qOflZk
=emH+
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big set of char/misc driver changes for 5.15-rc1.
Lots of different driver subsystems are being updated in here,
notably:
- mhi subsystem update
- fpga subsystem update
- coresight/hwtracing subsystem update
- interconnect subsystem update
- nvmem subsystem update
- parport drivers update
- phy subsystem update
- soundwire subsystem update
and there are some other char/misc drivers being updated as well:
- binder driver additions
- new misc drivers
- lkdtm driver updates
- mei driver updates
- sram driver updates
- other minor driver updates.
Note, there are no habanalabs driver updates in this pull request,
that will probably come later before -rc1 is out in a different
request.
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
Revert "bus: mhi: Add inbound buffers allocation flag"
misc/pvpanic: fix set driver data
VMCI: fix NULL pointer dereference when unmapping queue pair
char: mware: fix returnvar.cocci warnings
parport: remove non-zero check on count
soundwire: cadence: do not extend reset delay
soundwire: intel: conditionally exit clock stop mode on system suspend
soundwire: intel: skip suspend/resume/wake when link was not started
soundwire: intel: fix potential race condition during power down
phy: qcom-qmp: Add support for SM6115 UFS phy
dt-bindings: phy: qcom,qmp: Add SM6115 UFS PHY bindings
phy: qmp: Provide unique clock names for DP clocks
lkdtm: remove IDE_CORE_CP crashpoint
lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ
coresight: Replace deprecated CPU-hotplug functions.
Documentation: coresight: Add documentation for CoreSight config
coresight: syscfg: Add initial configfs support
coresight: config: Add preloaded configurations
coresight: etm4x: Add complex configuration handlers to etmv4
coresight: etm-perf: Update to activate selected configuration
...
This reverts commit 0092a1e3f7
This should be reverted in the char-misc-next branch to make merging
with Linus's branch possible due to issues with the mhi code that was
found in the networking tree.
Link: https://lore.kernel.org/r/20210827175852.GB15018@thinkpad
Reported-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bhaumik Bhatt <bbhatt@codeaurora.org>
Cc: Hemant Kumar <hemantk@codeaurora.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Loic Poulain <loic.poulain@linaro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current release - regressions:
- stmmac: revert "stmmac: align RX buffers"
- usb: asix: ax88772: move embedded PHY detection as early as possible
- usb: asix: do not call phy_disconnect() for ax88178
- Revert "net: really fix the build...", from Kalle to fix QCA6390
Current release - new code bugs:
- phy: mediatek: add the missing suspend/resume callbacks
Previous releases - regressions:
- qrtr: fix another OOB Read in qrtr_endpoint_post
- stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings
Previous releases - always broken:
- inet: use siphash in exception handling
- ip_gre: add validation for csum_start
- bpf: fix ringbuf helper function compatibility
- rtnetlink: return correct error on changing device netns
- e1000e: do not try to recover the NVM checksum on Tiger Lake
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-----BEGIN PGP SIGNATURE-----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=ilTg
-----END PGP SIGNATURE-----
Merge tag 'net-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from can and bpf.
Closing three hw-dependent regressions. Any fixes of note are in the
'old code' category. Nothing blocking release from our perspective.
Current release - regressions:
- stmmac: revert "stmmac: align RX buffers"
- usb: asix: ax88772: move embedded PHY detection as early as
possible
- usb: asix: do not call phy_disconnect() for ax88178
- Revert "net: really fix the build...", from Kalle to fix QCA6390
Current release - new code bugs:
- phy: mediatek: add the missing suspend/resume callbacks
Previous releases - regressions:
- qrtr: fix another OOB Read in qrtr_endpoint_post
- stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings
Previous releases - always broken:
- inet: use siphash in exception handling
- ip_gre: add validation for csum_start
- bpf: fix ringbuf helper function compatibility
- rtnetlink: return correct error on changing device netns
- e1000e: do not try to recover the NVM checksum on Tiger Lake"
* tag 'net-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (43 commits)
Revert "net: really fix the build..."
net: hns3: fix get wrong pfc_en when query PFC configuration
net: hns3: fix GRO configuration error after reset
net: hns3: change the method of getting cmd index in debugfs
net: hns3: fix duplicate node in VLAN list
net: hns3: fix speed unknown issue in bond 4
net: hns3: add waiting time before cmdq memory is released
net: hns3: clear hardware resource when loading driver
net: fix NULL pointer reference in cipso_v4_doi_free
rtnetlink: Return correct error on changing device netns
net: dsa: hellcreek: Adjust schedule look ahead window
net: dsa: hellcreek: Fix incorrect setting of GCL
cxgb4: dont touch blocked freelist bitmap after free
ipv4: use siphash instead of Jenkins in fnhe_hashfun()
ipv6: use siphash in rt6_exception_hash()
can: usb: esd_usb2: esd_usb2_rx_event(): fix the interchange of the CAN RX and TX error counters
net: usb: asix: ax88772: fix boolconv.cocci warnings
net/sched: ets: fix crash when flipping from 'strict' to 'quantum'
qede: Fix memset corruption
net: stmmac: fix kernel panic due to NULL pointer dereference of buf->xdp
...
This reverts commit ce78ffa3ef.
Wren and Nicolas reported that ath11k was failing to initialise QCA6390
Wi-Fi 6 device with error:
qcom_mhi_qrtr: probe of mhi0_IPCR failed with error -22
Commit ce78ffa3ef ("net: really fix the build..."), introduced in
v5.14-rc5, caused this regression in qrtr. Most likely all ath11k
devices are broken, but I only tested QCA6390. Let's revert the broken
commit so that ath11k works again.
Reported-by: Wren Turkal <wt@penguintechs.org>
Reported-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210826172816.24478-1-kvalo@codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Two of the recent fixes for ti-sysc driver had bad interaction for a
function return value that caused one of the fixes to not work so we
need to change the return value handling. Otherwise early beagleboard
variants still have a boot issue.
-----BEGIN PGP SIGNATURE-----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=MPWH
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----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=NOnI
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.14/gpt12-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fix for omap gpt12 timer error handling
Two of the recent fixes for ti-sysc driver had bad interaction for a
function return value that caused one of the fixes to not work so we
need to change the return value handling. Otherwise early beagleboard
variants still have a boot issue.
* tag 'omap-for-v5.14/gpt12-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Fix error handling for sysc_check_active_timer()
Link: https://lore.kernel.org/r/pull-1629354796-830948@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
After commit a6d90e9f22 ("bus: ti-sysc: AM3: RNG is GP only"), clang
with -Wimplicit-fallthrough enabled warns:
drivers/bus/ti-sysc.c:2958:3: warning: unannotated fall-through between
switch labels [-Wimplicit-fallthrough]
default:
^
drivers/bus/ti-sysc.c:2958:3: note: insert 'break;' to avoid
fall-through
default:
^
break;
1 warning generated.
Clang's version of this warning is a little bit more pedantic than
GCC's. Add the missing break to satisfy it to match what has been done
all over the kernel tree.
Fixes: a6d90e9f22 ("bus: ti-sysc: AM3: RNG is GP only")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This code was intended to return an error code if regmap_read() fails
but the return statement was missing.
Fixes: 1c953bda90 ("bus: ixp4xx: Add a driver for IXP4xx expansion bus")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210807230016.3607666-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Few ti-sysc changes to handle quirk for McASP SIDLE mode, correct
documentation for sysc_ioremap(), and start using
pm_runtime_resume_and_get().
-----BEGIN PGP SIGNATURE-----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=4Uzo
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmEVhT4ACgkQmmx57+YA
GNkJXQ/+P+ZayMHYjrG1GFNvlKvor7D4aweXGIXaV2zMj2JGjW2wduioP1iK3JUf
kZRTEx9mX+0iwZYxfBp8e1O9R8iSPCrHWy0zPF8qHM6ppILG395/x/9YNXMBnM9a
AX/Aon5Z3PHoD5QIQVXN9t4KWwcAGIpb4KP/9/1wIhzUsnOy+XByx/dNfmm/5YNo
2UL6ihutZpeikRqIi0sf5xbilK/Re1NFlWSl2Q2aamZ2VOniNNhUBiekiuo2r3A7
QiE3MIjEjy9t/QGTMDEVLUR3wxvBCRbZZguKMpdfDPGREU/csKxjQUNlW7YoJAxV
FxVglgZFbsi6Ycaf00qoLxh42cnCZ7OSwKz4W9CK077ldgPjlFcxP2A/RNgwEmF5
LXh/ctd8SQ+WVRlQPIx8PxBbC3mhKZ8uF+m2FjxbQro0au5F6gLQSo339X6Q2jjK
cGD/I8Hros0s+fkUtUa3SzQuQ2SLS3khTH4O1oaFkeRZ+Mtfem5OBT2lusGkIudy
jaZ4z8IaFe7/XajIXRT+QPsE7pjFJA3aov+m18zwHwOvONtYmeQTevJhex93XspA
bdvbVkBUVTrIYQcLia0NFLu7dohUBmgZz4khhbTyL2l9JiFHFuFB6heC1+ykNJVz
vlIxXqBxt0shZfm4Vum6VnHceSdDiqhkQLRBknT6bggnvs3M0lo=
=fPmH
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers
Driver changes for ti-sysc for v5.15
Few ti-sysc changes to handle quirk for McASP SIDLE mode, correct
documentation for sysc_ioremap(), and start using
pm_runtime_resume_and_get().
* tag 'omap-for-v5.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Add quirk for OMAP4 McASP to disable SIDLE mode
bus: ti-sysc: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
bus: ti-sysc: Correct misdocumentation of 'sysc_ioremap()'
bus: ti-sysc: Fix gpt12 system timer issue with reserved status
Link: https://lore.kernel.org/r/pull-1628153040-834155@atomide.com-2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
We have changed the return type for sysc_check_active_timer() from -EBUSY
to -ENXIO, but the gpt12 system timer fix still checks for -EBUSY. We are
also not returning on other errors like we did earlier as noted by
Pavel Machek <pavel@denx.de>.
Commit 3ff340e24c ("bus: ti-sysc: Fix gpt12 system timer issue with
reserved status") should have been updated for commit 65fb736761
("bus: ti-sysc: suppress err msg for timers used as clockevent/source").
Let's fix the issue by checking for -ENXIO and returning on any other
errors as suggested by Pavel Machek <pavel@denx.de>.
Fixes: 3ff340e24c ("bus: ti-sysc: Fix gpt12 system timer issue with reserved status")
Depends-on: 65fb736761 ("bus: ti-sysc: suppress err msg for timers used as clockevent/source")
Reported-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Pavel Machek (CIP) <pavel@denx.de>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
For the smartreflex device, we need to disable smartreflex on SoC idle,
and have been using pm_runtime_irq_safe() to do that. But we want to
remove the irq_safe usage as PM runtime takes a permanent usage count
on the parent device with it.
In order to remove the need for pm_runtime_irq_safe(), let's gate
the clock directly in the driver. This removes the need to call PM runtime
during idle, and allows us to switch to using CPU_PM in the following
patch.
Note that the smartreflex interconnect target module is configured for smart
idle, but the clock does not have autoidle capability, and needs to be gated
manually. If the clock supported autoidle, we would not need to even gate
the clock.
With this change, we can now remove the related quirk flags for ti-sysc
also.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
We need the fixes in here as well, and resolves some merge issues with
the mhi codebase.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Lots of small fixes for Arm SoCs this time, nothing
too worrying:
- omap/beaglebone boot regression fix in gpt12 timer
- revert for i.mx8 soc driver breaking as a platform_driver
- kexec/kdump fixes for op-tee
- various fixes for incorrect DT settings on imx, mvebu, omap,
stm32, and tegra causing problems.
- device tree fixes for static checks in nomadik, versatile, stm32
- code fixes for issues found in build testing and with static
checking on tegra, ixp4xx, imx, omap
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=h0YB
-----END PGP SIGNATURE-----
Merge tag 'soc-fixes-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Lots of small fixes for Arm SoCs this time, nothing too worrying:
- omap/beaglebone boot regression fix in gpt12 timer
- revert for i.mx8 soc driver breaking as a platform_driver
- kexec/kdump fixes for op-tee
- various fixes for incorrect DT settings on imx, mvebu, omap, stm32,
and tegra causing problems.
- device tree fixes for static checks in nomadik, versatile, stm32
- code fixes for issues found in build testing and with static
checking on tegra, ixp4xx, imx, omap"
* tag 'soc-fixes-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (36 commits)
soc: ixp4xx/qmgr: fix invalid __iomem access
soc: ixp4xx: fix printing resources
ARM: ixp4xx: goramo_mlr depends on old PCI driver
ARM: ixp4xx: fix compile-testing soc drivers
soc/tegra: Make regulator couplers depend on CONFIG_REGULATOR
ARM: dts: nomadik: Fix up interrupt controller node names
ARM: dts: stm32: Fix touchscreen IRQ line assignment on DHCOM
ARM: dts: stm32: Disable LAN8710 EDPD on DHCOM
ARM: dts: stm32: Prefer HW RTC on DHCOM SoM
omap5-board-common: remove not physically existing vdds_1v8_main fixed-regulator
ARM: dts: am437x-l4: fix typo in can@0 node
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
bus: ti-sysc: AM3: RNG is GP only
ARM: omap2+: hwmod: fix potential NULL pointer access
arm64: dts: armada-3720-turris-mox: remove mrvl,i2c-fast-mode
arm64: dts: armada-3720-turris-mox: fixed indices for the SDHC controllers
ARM: dts: imx: Swap M53Menlo pinctrl_power_button/pinctrl_power_out pins
ARM: imx: fix missing 3rd argument in macro imx_mmdc_perf_init
ARM: dts: colibri-imx6ull: limit SDIO clock to 25MHz
arm64: dts: ls1028: sl28: fix networking for variant 2
...
Build failure in drivers/net/wwan/mhi_wwan_mbim.c:
add missing parameter (0, assuming we don't want buffer pre-alloc).
Conflict in drivers/net/dsa/sja1105/sja1105_main.c between:
589918df93 ("net: dsa: sja1105: be stateless with FDB entries on SJA1105P/Q/R/S/SJA1110 too")
0fac6aa098 ("net: dsa: sja1105: delete the best_effort_vlan_filtering mode")
Follow the instructions from the commit message of the former commit
- removed the if conditions. When looking at commit 589918df93 ("net:
dsa: sja1105: be stateless with FDB entries on SJA1105P/Q/R/S/SJA1110 too")
note that the mask_iotag fields get removed by the following patch.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Improve error message to be more descriptive if a failure occurs
with an invalid power up execution environment. Additionally, add
a debug log to print the execution environment and MHI state
before a power up is attempted to confirm if the device is in an
expected state. This helps clarify reasons for power up failures
such as the device being found in a PBL or Emergency Download
Mode execution environment and the host expected a full power up
with Pass-Through and no image loading involved.
Link: https://lore.kernel.org/r/1620072038-36160-1-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-11-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is nothing special done within the mhi_alloc_coherent() and
the mhi_free_coherent() wrapper functions. They only directly
call the equivalent DMA allocation functions. Replace them with
the original function calls such that the implementation is clear
and direct.
Link: https://lore.kernel.org/r/1624392428-9328-1-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-10-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When obtaining the BHI or BHIe offsets during the power up
preparation phase, range checks are missing. These can help
controller drivers avoid accessing any address outside of the
MMIO region. Ensure that mhi_cntrl->reg_len is set before MHI
registration as it is a required field and range checks will
fail without it.
Link: https://lore.kernel.org/r/1620330705-40192-7-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-9-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MHI driver requires register space length to add range checks and
prevent memory region accesses outside of that for MMIO space.
Set it from the PCI generic controller driver before registering
the MHI controller.
Link: https://lore.kernel.org/r/1620330705-40192-6-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-8-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set the BHI and BHIe pointers to NULL as part of clean-up. This
makes sure that stale pointers are not accessed after powering
MHI down.
Link: https://lore.kernel.org/r/1620330705-40192-3-git-send-email-bbhatt@codeaurora.org
Suggested-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set the BHI and/or BHIe offsets in mhi_prepare_for_power_up(),
rearrange the function, and remove the equivalent from
mhi_async_power_up(). This helps consolidate multiple checks
in different parts of the driver and can help MHI fail early on
before power up begins if the offsets are not read correctly.
Link: https://lore.kernel.org/r/1620330705-40192-2-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, the MHI controller driver defines which channels should
have their inbound buffers allocated and queued. But ideally, this is
something that should be decided by the MHI device driver instead,
which actually deals with that buffers.
Add a flag parameter to mhi_prepare_for_transfer allowing to specify
if buffers have to be allocated and queued by the MHI stack.
Keep auto_queue flag for now, but should be removed at some point.
Link: https://lore.kernel.org/r/1624566520-20406-1-git-send-email-loic.poulain@linaro.org
Tested-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
taregeted for v5.15:
- Add DT bindings to the expansion bus and PATA libata driver.
- Add a new expansion bus driver.
- Rewrite the watchdog driver to use the watchdog core and
spawn from the timer (clocksource) driver.
- Refactor the PATA/libata driver to probe from the device
tree and use the expansion bus driver to manipulate chip
select timings directly.
-----BEGIN PGP SIGNATURE-----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=v2E7
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----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=2bLl
-----END PGP SIGNATURE-----
Merge tag 'ixp4xx-drivers-arm-soc-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/drivers
IXP4xx driver updates for modernizing the IXP4xx platforms,
taregeted for v5.15:
- Add DT bindings to the expansion bus and PATA libata driver.
- Add a new expansion bus driver.
- Rewrite the watchdog driver to use the watchdog core and
spawn from the timer (clocksource) driver.
- Refactor the PATA/libata driver to probe from the device
tree and use the expansion bus driver to manipulate chip
select timings directly.
* tag 'ixp4xx-drivers-arm-soc-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
pata: ixp4xx: Rewrite to use device tree
pata: ixp4xx: Add DT bindings
pata: ixp4xx: Refer to cmd and ctl rather than csN
pata: ixp4xx: Use IS_ENABLED() to determine endianness
pata: ixp4xx: Use local dev variable
watchdog: ixp4xx: Rewrite driver to use core
bus: ixp4xx: Add a driver for IXP4xx expansion bus
bus: ixp4xx: Add DT bindings for the IXP4xx expansion bus
Link: https://lore.kernel.org/r/CACRpkdZaCosXsgp02nuUbd_nEvdxm5-z0+d0oSA97UTWQ0RQQg@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Intel IXP4xx SoCs have an expansion bus that is usually just
used for flash memory and configured by the boot loaders and can
be accessed using the "simple-bus".
However some devices need more elaborate configuration and then we
need to provide a proper 3-unit address space indicating chip
select for each device and provide timing and similar information.
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In case of a switch DPAA2 object, the interface ID is also needed when
querying for the object endpoint. Extend fsl_mc_get_endpoint() so that
users can also pass the interface ID that are interested in.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some fixes for regressions and boot issues for various devices:
- Fix gpt12 system timer regression on earlier beagleboard revisions
- Fix potential NULL pointer access for omap_hwmod_get_pwrdm()
- Disable RNG on secure am335x variants as it's not accessible
- Fix flakey DCDC2 voltage causing hangs on am43x-epos-evm by reducing
i2c0 bus speed for tps65218
- Fix typo for am437x-l4 can@0 node
- Fix omap5 regression caused by vdds_1v8_main fixed-regulator
-----BEGIN PGP SIGNATURE-----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=Ismq
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----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=2UNB
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.14/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.14-rc series
Some fixes for regressions and boot issues for various devices:
- Fix gpt12 system timer regression on earlier beagleboard revisions
- Fix potential NULL pointer access for omap_hwmod_get_pwrdm()
- Disable RNG on secure am335x variants as it's not accessible
- Fix flakey DCDC2 voltage causing hangs on am43x-epos-evm by reducing
i2c0 bus speed for tps65218
- Fix typo for am437x-l4 can@0 node
- Fix omap5 regression caused by vdds_1v8_main fixed-regulator
* tag 'omap-for-v5.14/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
omap5-board-common: remove not physically existing vdds_1v8_main fixed-regulator
ARM: dts: am437x-l4: fix typo in can@0 node
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
bus: ti-sysc: AM3: RNG is GP only
ARM: omap2+: hwmod: fix potential NULL pointer access
bus: ti-sysc: Fix gpt12 system timer issue with reserved status
Link: https://lore.kernel.org/r/pull-1627995895-406133@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The McASP module in OMAP4 does not work if the SIDLE mode is enabled, most
like due to module integration issue that the signaling is not working
correctly.
Add a quirk for the module to select only NOIDLE mode when it is in use.
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Make the RNG on AM3 GP only.
Based on this patch from TI v5.4 tree which is based on hwmod data
which are now removed:
| ARM: AM43xx: hwmod: Move RNG to a GP only links table
|
| On non-GP devices the RNG is controlled by the secure-side software,
| like in DRA7xx hwmod we should not control this IP when we are not
| a GP device.
|
| Signed-off-by: Andrew F. Davis <afd@ti.com>
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some versions of the MC firmware wrongly report 0 for register base
address of the DPMCP associated with child DPRC objects thus rendering
them unusable. This is particularly troublesome in ACPI boot scenarios
where the legacy way of extracting this base address from the device
tree does not apply.
Given that DPMCPs share the same base address, workaround this by using
the base address extracted from the root DPRC container.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-8-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the endpoint of a device is not yet probed on the bus, force
a rescan of the devices and retry to get a reference to the
endpoint device. If the device is still not found then we assume
it's in a different isolation context (container/DPRC) thus
unavailable and return a permission error.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Robert-Ionut Alexa <robert-ionut.alexa@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-7-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pause the MC firmware when unloading the driver so that it doesn't
crash in certain scenarios, such as kexec.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-6-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a bus notifier to pause the MC firmware as soon as its device
gets discovered. This is needed as the firmware is live thus, as soon
as the SMMU gets probed and enabled, it will crash the firmware due to
SMMU context faults. The firmware will be resumed at probe time, after
the required IOMMU setup was completed.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-5-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The fsl-mc bus driver is missing the .shutdown() callback, so add it.
The implementation simply calls the .remove() callback.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-4-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The MC firmware has two execution units. Resume them both, as on some
Layerscape SoCs not doing so breaks the firmware.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-3-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ACPI DMA configure API may return a defer status code, so handle it.
On top of this, move the MC firmware resume after the DMA setup
is completed to avoid crashing due to DMA setup not being done yet or
being deferred.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-2-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Second parameter of dprc_scan_objects() is a bool not a pointer
so change from NULL to false.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MHI reads the channel ID from the event ring element sent by the
device which can be any value between 0 and 255. In order to
prevent any out of bound accesses, add a check against the maximum
number of channels supported by the controller and those channels
not configured yet so as to skip processing of that event ring
element.
Link: https://lore.kernel.org/r/1624558141-11045-1-git-send-email-bbhatt@codeaurora.org
Fixes: 1d3173a3ba ("bus: mhi: core: Add support for processing events from client device")
Cc: stable@vger.kernel.org #5.10
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210716075106.49938-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Devices such as SDX24 do not have the provision for inband wake
doorbell in the form of channel 127 and instead have a sideband
GPIO for it. Newer devices such as SDX55 or SDX65 support inband
wake method by default. Ensure the functionality is used based on
this such that device wake stays held when a client driver uses
mhi_device_get() API or the equivalent debugfs entry.
Link: https://lore.kernel.org/r/1624560809-30610-1-git-send-email-bbhatt@codeaurora.org
Fixes: e3e5e6508f ("bus: mhi: pci_generic: No-Op for device_wake operations")
Cc: stable@vger.kernel.org #5.12
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210716075106.49938-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver core ignores the return value of this callback because there
is only little it can do when a device disappears.
This is the final bit of a long lasting cleanup quest where several
buses were converted to also return void from their remove callback.
Additionally some resource leaks were fixed that were caused by drivers
returning an error code in the expectation that the driver won't go
away.
With struct bus_type::remove returning void it's prevented that newly
implemented buses return an ignored error code and so don't anticipate
wrong expectations for driver authors.
Reviewed-by: Tom Rix <trix@redhat.com> (For fpga)
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com> (For drivers/s390 and drivers/vfio)
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> (For ARM, Amba and related parts)
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Chen-Yu Tsai <wens@csie.org> (for sunxi-rsb)
Acked-by: Pali Rohár <pali@kernel.org>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> (for media)
Acked-by: Hans de Goede <hdegoede@redhat.com> (For drivers/platform)
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Juergen Gross <jgross@suse.com> (For xen)
Acked-by: Lee Jones <lee.jones@linaro.org> (For mfd)
Acked-by: Johannes Thumshirn <jth@kernel.org> (For mcb)
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> (For slimbus)
Acked-by: Kirti Wankhede <kwankhede@nvidia.com> (For vfio)
Acked-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> (For ulpi and typec)
Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> (For ipack)
Acked-by: Geoff Levand <geoff@infradead.org> (For ps3)
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> (For thunderbolt)
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> (For intel_th)
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> (For pcmcia)
Acked-by: Rafael J. Wysocki <rafael@kernel.org> (For ACPI)
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> (rpmsg and apr)
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> (For intel-ish-hid)
Acked-by: Dan Williams <dan.j.williams@intel.com> (For CXL, DAX, and NVDIMM)
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com> (For isa)
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (For firewire)
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> (For hid)
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de> (For siox)
Acked-by: Sven Van Asbroeck <TheSven73@gmail.com> (For anybuss)
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> (For MMC)
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Finn Thain <fthain@linux-m68k.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210713193522.1770306-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The MRU value used by the MHI MBIM network interface affects
the throughput performance of the interface. Different modem
models use different default MRU sizes based on their bandwidth
capabilities. Large values generally result in higher throughput
for larger packet sizes.
In addition if the MRU used by the MHI device is larger than that
specified in the MHI net device the data is fragmented and needs
to be re-assembled which generates a (single) warning message about
the fragmented packets. Setting the MRU on both ends avoids the
extra processing to re-assemble the packets.
This patch allows the documented MRU for a modem to be automatically
set as the MHI net device MRU avoiding fragmentation and improving
throughput performance.
Signed-off-by: Richard Laing <richard.laing@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Reset controllers: Adding support for Microchip Sparx5 Switch.
- Memory controllers: ARM Primecell PL35x SMC memory controller
driver cleanups and improvements.
- i.MX SoC drivers: Power domain support for i.MX8MM and i.MX8MN.
- Rockchip: RK3568 power domains support + DT binding updates,
cleanups.
- Qualcomm SoC drivers: Amend socinfo with more SoC/PMIC details,
including support for MSM8226, MDM9607, SM6125 and SC8180X.
- ARM FFA driver: "Firmware Framework for ARMv8-A", defining
management interfaces and communication (including bus model)
between partitions both in Normal and Secure Worlds.
- Tegra Memory controller changes, including major rework to deal
with identity mappings at boot and integration with ARM SMMU
pieces.
-----BEGIN PGP SIGNATURE-----
iQJDBAABCgAtFiEElf+HevZ4QCAJmMQ+jBrnPN6EHHcFAmDokgYPHG9sb2ZAbGl4
b20ubmV0AAoJEIwa5zzehBx3looP/20uQAjRadPJFdV/B2mpZYqXMI4dIN9g7KJ1
6uEoaGurzYWQQreDXswQ5vFUcQfIudEJ9Im9IF+9BUsFQ2uvPTJ4I+HDN++WH70B
cIsmwwBr7Q4JUVP+O7T2WGtBY69jvHTpJrCCVtyHtwEyL4a1uyfelsAJXbxqaqis
w1lmXNkkSqx5c67H3maNNDRnbutyLL2gO0TYdiBapOcc5V03OYKNnMbDqRTddqyt
4UH4eYkFkNai8UJ476BXHU9ldlWzEkRBib/OKwF9k3oPj9W3kdQ/vd2IKK5a1fTX
jIbOPSRRC8K/9Bxn1KEtdoU0Yy+rlm3xd7DtQl5RyGTD+tHVq3dN55WjoXBY83Yh
r37y7uII9i09tPg5+APSX/jgodsIt4c46dKwvYuWXvB7ziomfsKxQiRanApJG6UX
qS5NCUrlfYWlL302JOTvEtDBePXXiXQ065GuRjM948WMnVzXwEKwYUakGhvXQWMS
jXCcOGW7GhnbY3+Ipn9chyhydHpKSxIb8oBk4cMRJU9jlN2GmjHgW8RMvT2WM6VF
1F8acyMvf6en5tV6f23cjbW+iIMTS5egKNfqi8tdjGVxbowypyJYzjYOhaqk6veJ
jHOmpglTXas0QD3ZRU7vGVlrvHqik8XyRsq3N9CQjVenRCbsQLKZRi1gTbIuspcR
rejqH3Fs
=kPg8
-----END PGP SIGNATURE-----
Merge tag 'arm-drivers-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Olof Johansson:
- Reset controllers: Adding support for Microchip Sparx5 Switch.
- Memory controllers: ARM Primecell PL35x SMC memory controller driver
cleanups and improvements.
- i.MX SoC drivers: Power domain support for i.MX8MM and i.MX8MN.
- Rockchip: RK3568 power domains support + DT binding updates,
cleanups.
- Qualcomm SoC drivers: Amend socinfo with more SoC/PMIC details,
including support for MSM8226, MDM9607, SM6125 and SC8180X.
- ARM FFA driver: "Firmware Framework for ARMv8-A", defining management
interfaces and communication (including bus model) between partitions
both in Normal and Secure Worlds.
- Tegra Memory controller changes, including major rework to deal with
identity mappings at boot and integration with ARM SMMU pieces.
* tag 'arm-drivers-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (120 commits)
firmware: turris-mox-rwtm: add marvell,armada-3700-rwtm-firmware compatible string
firmware: turris-mox-rwtm: show message about HWRNG registration
firmware: turris-mox-rwtm: fail probing when firmware does not support hwrng
firmware: turris-mox-rwtm: report failures better
firmware: turris-mox-rwtm: fix reply status decoding function
soc: imx: gpcv2: add support for i.MX8MN power domains
dt-bindings: add defines for i.MX8MN power domains
firmware: tegra: bpmp: Fix Tegra234-only builds
iommu/arm-smmu: Use Tegra implementation on Tegra186
iommu/arm-smmu: tegra: Implement SID override programming
iommu/arm-smmu: tegra: Detect number of instances at runtime
dt-bindings: arm-smmu: Add Tegra186 compatible string
firmware: qcom_scm: Add MDM9607 compatible
soc: qcom: rpmpd: Add MDM9607 RPM Power Domains
soc: renesas: Add support to read LSI DEVID register of RZ/G2{L,LC} SoC's
soc: renesas: Add ARCH_R9A07G044 for the new RZ/G2L SoC's
dt-bindings: soc: rockchip: drop unnecessary #phy-cells from grf.yaml
memory: emif: remove unused frequency and voltage notifiers
memory: fsl_ifc: fix leak of private memory on probe failure
memory: fsl_ifc: fix leak of IO mapping on probe failure
...
Here is the big set of char / misc and other driver subsystem updates
for 5.14-rc1. Included in here are:
- habanna driver updates
- fsl-mc driver updates
- comedi driver updates
- fpga driver updates
- extcon driver updates
- interconnect driver updates
- mei driver updates
- nvmem driver updates
- phy driver updates
- pnp driver updates
- soundwire driver updates
- lots of other tiny driver updates for char and misc drivers
This is looking more and more like the "various driver subsystems mushed
together" tree...
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYOM8jQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ymECgCg0yL+8WxDKO5Gg5llM5PshvLB1rQAn0y5pDgg
nw78LV3HQ0U7qaZBtI91
=x+AR
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big set of char / misc and other driver subsystem updates
for 5.14-rc1. Included in here are:
- habanalabs driver updates
- fsl-mc driver updates
- comedi driver updates
- fpga driver updates
- extcon driver updates
- interconnect driver updates
- mei driver updates
- nvmem driver updates
- phy driver updates
- pnp driver updates
- soundwire driver updates
- lots of other tiny driver updates for char and misc drivers
This is looking more and more like the "various driver subsystems
mushed together" tree...
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (292 commits)
mcb: Use DEFINE_RES_MEM() helper macro and fix the end address
PNP: moved EXPORT_SYMBOL so that it immediately followed its function/variable
bus: mhi: pci-generic: Add missing 'pci_disable_pcie_error_reporting()' calls
bus: mhi: Wait for M2 state during system resume
bus: mhi: core: Fix power down latency
intel_th: Wait until port is in reset before programming it
intel_th: msu: Make contiguous buffers uncached
intel_th: Remove an unused exit point from intel_th_remove()
stm class: Spelling fix
nitro_enclaves: Set Bus Master for the NE PCI device
misc: ibmasm: Modify matricies to matrices
misc: vmw_vmci: return the correct errno code
siox: Simplify error handling via dev_err_probe()
fpga: machxo2-spi: Address warning about unused variable
lkdtm/heap: Add init_on_alloc tests
selftests/lkdtm: Enable various testable CONFIGs
lkdtm: Add CONFIG hints in errors where possible
lkdtm: Enable DOUBLE_FAULT on all architectures
lkdtm/heap: Add vmalloc linear overflow test
lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE
...
kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.
There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain
At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.
[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com
Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Co-developed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
During system resume, MHI host triggers M3->M0 transition and then waits
for target device to enter M0 state. Once done, the device queues a state
change event into ctrl event ring and notifies MHI host by raising an
interrupt, where a tasklet is scheduled to process this event. In most
cases, the tasklet is served timely and wait operation succeeds.
However, there are cases where CPU is busy and cannot serve this tasklet
for some time. Once delay goes long enough, the device moves itself to M1
state and also interrupts MHI host after inserting a new state change
event to ctrl ring. Later when CPU finally has time to process the ring,
there will be two events:
1. For M3->M0 event, which is the first event to be processed queued first.
The tasklet handler serves the event, updates device state to M0 and
wakes up the task.
2. For M0->M1 event, which is processed later, the tasklet handler
triggers M1->M2 transition and updates device state to M2 directly,
then wakes up the MHI host (if it is still sleeping on this wait queue).
Note that although MHI host has been woken up while processing the first
event, it may still has no chance to run before the second event is
processed. In other words, MHI host has to keep waiting till timeout
causing the M0 state to be missed.
kernel log here:
...
Apr 15 01:45:14 test-NUC8i7HVK kernel: [ 4247.911251] mhi 0000:06:00.0: Entered with PM state: M3, MHI state: M3
Apr 15 01:45:14 test-NUC8i7HVK kernel: [ 4247.917762] mhi 0000:06:00.0: State change event to state: M0
Apr 15 01:45:14 test-NUC8i7HVK kernel: [ 4247.917767] mhi 0000:06:00.0: State change event to state: M1
Apr 15 01:45:14 test-NUC8i7HVK kernel: [ 4338.788231] mhi 0000:06:00.0: Did not enter M0 state, MHI state: M2, PM state: M2
...
Fix this issue by simply adding M2 as a valid state for resume.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Cc: stable@vger.kernel.org
Fixes: 0c6b20a1d7 ("bus: mhi: core: Add support for MHI suspend and resume")
Signed-off-by: Baochen Qiang <bqiang@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210524040312.14409-1-bqiang@codeaurora.org
[mani: slightly massaged the commit message]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210621161616.77524-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On graceful power-down/disable transition, when an MHI reset is
performed, the MHI device loses its context, including interrupt
configuration. However, the current implementation is waiting for
event(irq) driven state change to confirm reset has been completed,
which never happens, and causes reset timeout, leading to unexpected
high latency of the mhi_power_down procedure (up to 45 seconds).
Fix that by moving to the recently introduced poll_reg_field method,
waiting for the reset bit to be cleared, in the same way as the
power_on procedure.
Cc: stable@vger.kernel.org
Fixes: a6e2e3522f ("bus: mhi: core: Add support for PM state transitions")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Link: https://lore.kernel.org/r/1620029090-8975-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210621161616.77524-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/mc-io.c:70: warning: Function parameter or member 'dpmcp_dev' not described in 'fsl_create_mc_io'
Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-8-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/fsl-mc-msi.c:164: warning: Function parameter or member 'fwnode' not described in 'fsl_mc_msi_create_irq_domain'
drivers/bus/fsl-mc/fsl-mc-msi.c:164: warning: Excess function parameter 'np' description in 'fsl_mc_msi_create_irq_domain'
Cc: Stuart Yoder <stuyoder@gmail.com>
Cc: German Rivera <German.Rivera@freescale.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-7-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/fsl-mc-allocator.c:271: warning: Function parameter or member 'new_mc_adev' not described in 'fsl_mc_object_allocate'
drivers/bus/fsl-mc/fsl-mc-allocator.c:271: warning: Excess function parameter 'new_mc_dev' description in 'fsl_mc_object_allocate'
drivers/bus/fsl-mc/fsl-mc-allocator.c:417: warning: Function parameter or member 'mc_bus_dev' not described in 'fsl_mc_cleanup_irq_pool'
drivers/bus/fsl-mc/fsl-mc-allocator.c:417: warning: expecting prototype for Teardown the interrupt pool associated with an fsl(). Prototype was for fsl_mc_cleanup_irq_pool() instead
drivers/bus/fsl-mc/fsl-mc-allocator.c:443: warning: Function parameter or member 'mc_dev' not described in 'fsl_mc_allocate_irqs'
drivers/bus/fsl-mc/fsl-mc-allocator.c:443: warning: expecting prototype for Allocate the IRQs required by a given fsl(). Prototype was for fsl_mc_allocate_irqs() instead
drivers/bus/fsl-mc/fsl-mc-allocator.c:586: warning: Function parameter or member 'mc_dev' not described in 'fsl_mc_allocator_probe'
drivers/bus/fsl-mc/fsl-mc-allocator.c:618: warning: Function parameter or member 'mc_dev' not described in 'fsl_mc_allocator_remove'
Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-6-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/dprc-driver.c:360: warning: Function parameter or member 'alloc_interrupts' not described in 'dprc_scan_container'
drivers/bus/fsl-mc/dprc-driver.c:383: warning: Function parameter or member 'irq_num' not described in 'dprc_irq0_handler'
drivers/bus/fsl-mc/dprc-driver.c:383: warning: Excess function parameter 'irq' description in 'dprc_irq0_handler'
drivers/bus/fsl-mc/dprc-driver.c:394: warning: Function parameter or member 'irq_num' not described in 'dprc_irq0_handler_thread'
drivers/bus/fsl-mc/dprc-driver.c:394: warning: Excess function parameter 'irq' description in 'dprc_irq0_handler_thread'
Cc: Stuart Yoder <stuyoder@gmail.com>
Cc: German Rivera <German.Rivera@freescale.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-5-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/dprc.c:345: warning: Function parameter or member 'attr' not described in 'dprc_get_attributes'
drivers/bus/fsl-mc/dprc.c:521: warning: Function parameter or member 'obj_type' not described in 'dprc_get_obj_region'
Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-4-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/fsl-mc-bus.c:30: warning: expecting prototype for Default DMA mask for devices on a fsl(). Prototype was for FSL_MC_DEFAULT_DMA_MASK() instead
drivers/bus/fsl-mc/fsl-mc-bus.c:45: warning: Function parameter or member 'fsl_mc_regs' not described in 'fsl_mc'
drivers/bus/fsl-mc/fsl-mc-bus.c:124: warning: Function parameter or member 'dev' not described in 'fsl_mc_bus_uevent'
drivers/bus/fsl-mc/fsl-mc-bus.c:124: warning: Function parameter or member 'env' not described in 'fsl_mc_bus_uevent'
drivers/bus/fsl-mc/fsl-mc-bus.c:480: warning: Function parameter or member 'mc_driver' not described in '__fsl_mc_driver_register'
drivers/bus/fsl-mc/fsl-mc-bus.c:480: warning: Function parameter or member 'owner' not described in '__fsl_mc_driver_register'
drivers/bus/fsl-mc/fsl-mc-bus.c:511: warning: Function parameter or member 'mc_driver' not described in 'fsl_mc_driver_unregister'
drivers/bus/fsl-mc/fsl-mc-bus.c:571: warning: Function parameter or member 'dev' not described in 'fsl_mc_get_root_dprc'
drivers/bus/fsl-mc/fsl-mc-bus.c:571: warning: Function parameter or member 'root_dprc_dev' not described in 'fsl_mc_get_root_dprc'
drivers/bus/fsl-mc/fsl-mc-bus.c:739: warning: Function parameter or member 'dev' not described in 'fsl_mc_is_root_dprc'
drivers/bus/fsl-mc/fsl-mc-bus.c:767: warning: Function parameter or member 'obj_desc' not described in 'fsl_mc_device_add'
drivers/bus/fsl-mc/fsl-mc-bus.c:767: warning: Function parameter or member 'mc_io' not described in 'fsl_mc_device_add'
drivers/bus/fsl-mc/fsl-mc-bus.c:767: warning: Function parameter or member 'parent_dev' not described in 'fsl_mc_device_add'
drivers/bus/fsl-mc/fsl-mc-bus.c:767: warning: Function parameter or member 'new_mc_dev' not described in 'fsl_mc_device_add'
drivers/bus/fsl-mc/fsl-mc-bus.c:767: warning: expecting prototype for Add a newly discovered fsl(). Prototype was for fsl_mc_device_add() instead
drivers/bus/fsl-mc/fsl-mc-bus.c:1066: warning: Function parameter or member 'pdev' not described in 'fsl_mc_bus_probe'
drivers/bus/fsl-mc/fsl-mc-bus.c:1190: warning: Function parameter or member 'pdev' not described in 'fsl_mc_bus_remove'
Cc: Stuart Yoder <stuyoder@gmail.com>
Cc: German Rivera <German.Rivera@freescale.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-3-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/mc-sys.c:20: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/bus/fsl-mc/mc-sys.c:151: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/bus/fsl-mc/mc-sys.c:197: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/bus/fsl-mc/mc-sys.c:237: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-2-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/fsl-mc/mc-io.c:53: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/bus/fsl-mc/mc-io.c:126: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-1-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some small misc driver fixes for 5.13-rc6 that fix some
reported problems:
- Tiny phy driver fixes for reported issues
- rtsx regression for when the device suspended
- mhi driver fix for a use-after-free
All of these have been in linux-next for a few days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMTXVw8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ynzLgCgpTYm7sEdpzqTZtJXupSP05Kqm5gAn3PhELhK
ZPnUMX9OPV9DPnJ9camz
=ApcR
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small misc driver fixes for 5.13-rc6 that fix some
reported problems:
- Tiny phy driver fixes for reported issues
- rtsx regression for when the device suspended
- mhi driver fix for a use-after-free
All of these have been in linux-next for a few days with no reported
issues"
* tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG
bus: mhi: pci-generic: Fix hibernation
bus: mhi: pci_generic: Fix possible use-after-free in mhi_pci_remove()
bus: mhi: pci_generic: T99W175: update channel name from AT to DUN
phy: Sparx5 Eth SerDes: check return value after calling platform_get_resource()
phy: ralink: phy-mt7621-pci: drop 'of_match_ptr' to fix -Wunused-const-variable
phy: ti: Fix an error code in wiz_probe()
phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init()
phy: cadence: Sierra: Fix error return code in cdns_sierra_phy_probe()
phy: usb: Fix misuse of IS_ENABLED
Using pm_runtime_resume_and_get is more appropriate
for simplifing code.
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fixes the following W=1 kernel build warning(s):
drivers/bus/ti-sysc.c:867: warning: expecting prototype for syc_ioremap(). Prototype was for sysc_ioremap() instead
Cc: Tony Lindgren <tony@atomide.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Jarkko Nikula <jarkko.nikula@bitmer.com> reported that Beagleboard
revision c2 stopped booting. Jarkko bisected the issue down to
commit 6cfcd5563b ("clocksource/drivers/timer-ti-dm: Fix suspend
and resume for am3 and am4").
Let's fix the issue by tagging system timers as reserved rather than
ignoring them. And let's not probe any interconnect target module child
devices for reserved modules.
This allows PM runtime to keep track of clocks and clockdomains for
the interconnect target module, and prevent the system timer from idling
as we already have SYSC_QUIRK_NO_IDLE and SYSC_QUIRK_NO_IDLE_ON_INIT
flags set for system timers.
Fixes: 6cfcd5563b ("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4")
Reported-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch fixes crash after resuming from hibernation. The issue
occurs when mhi stack is builtin and so part of the 'restore-kernel',
causing the device to be resumed from 'restored kernel' with a no
more valid context (memory mappings etc...) and leading to spurious
crashes.
This patch fixes the issue by implementing proper freeze/restore
callbacks.
Link: https://lore.kernel.org/r/1622571445-4505-1-git-send-email-loic.poulain@linaro.org
Reported-by: Shujun Wang <wsj20369@163.com>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210606153741.20725-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver's remove path calls del_timer(). However, that function
does not wait until the timer handler finishes. This means that the
timer handler may still be running after the driver's remove function
has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler
has finished, and unable to re-schedule itself.
Link: https://lore.kernel.org/r/20210413160318.2003699-1-weiyongjun1@huawei.com
Fixes: 8562d4fe34 ("mhi: pci_generic: Add health-check")
Cc: stable <stable@vger.kernel.org>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Hemant kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210606153741.20725-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According to MHI v1.1 specification, change the channel name of T99W175
from "AT" to "DUN" (Dial-up networking) for both channel 32 and 33,
so that the channels can be bound to the Qcom WWAN control driver, and
device node such as /dev/wwan0p3DUN will be generated, which is very useful
for debugging modem
Link: https://lore.kernel.org/r/20210429014226.21017-1-jarvis.w.jiang@gmail.com
[mani: changed the dev node to /dev/wwan0p3DUN]
Fixes: aac426562f ("bus: mhi: pci_generic: Introduce Foxconn T99W175 support")
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210606153741.20725-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes the following W=1 kernel build warning(s):
drivers/bus/qcom-ebi2.c:112: warning: Function parameter or member 'slow_cfg' not described in 'cs_data'
drivers/bus/qcom-ebi2.c:112: warning: Function parameter or member 'fast_cfg' not described in 'cs_data'
Reviewed-by: Linus Walleij <linus.walleij@linaro.org
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210526081038.544942-8-lee.jones@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Looks like the swsup_sidle_act quirk handling is unreliable for serial
ports. The serial ports just eventually stop idling until woken up and
re-idled again. As the serial port not idling blocks any deeper SoC idle
states, it's adds an annoying random flakeyness for power management.
Let's just switch to swsup_sidle quirk instead like we already do for
omap3 uarts. This means we manually idle the port instead of trying to
use the hardware autoidle features when not in use.
For more details on why the serial ports have been using swsup_idle_act,
see commit 66dde54e97 ("ARM: OMAP2+: hwmod-data: UART IP needs software
control to manage sidle modes"). It seems that the swsup_idle_act quirk
handling is not enough though, and for example the TI Android kernel
changed to using swsup_sidle with commit 77c34c84e1e0 ("OMAP4: HWMOD:
UART1: disable smart-idle.").
Fixes: b4a9a7a389 ("bus: ti-sysc: Handle swsup idle mode quirks")
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Ivan Jelincic <parazyd@dyne.org>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Sicelo A. Mhlongo <absicsz@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
On am335x, suspend and resume only works once, and the system hangs if
suspend is attempted again. However, turns out suspend and resume works
fine multiple times if the USB OTG driver for musb controller is loaded.
The issue is caused my the interconnect target module losing context
during suspend, and it needs a restore on resume to be reconfigure again
as debugged earlier by Dave Gerlach <d-gerlach@ti.com>.
There are also other modules that need a restore on resume, like gpmc as
noted by Dave. So let's add a common way to restore an interconnect
target module based on a quirk flag. For now, let's enable the quirk for
am335x otg only to fix the suspend and resume issue.
As gpmc is not causing hangs based on tests with BeagleBone, let's patch
gpmc separately. For gpmc, we also need a hardware reset done before
restore according to Dave.
To reinit the modules, we decouple system suspend from PM runtime. We
replace calls to pm_runtime_force_suspend() and pm_runtime_force_resume()
with direct calls to internal functions and rely on the driver internal
state. There no point trying to handle complex system suspend and resume
quirks via PM runtime.
This is issue should have already been noticed with commit 1819ef2e2d
("bus: ti-sysc: Use swsup quirks also for am335x musb") when quirk
handling was added for am335x otg for swsup. But the issue went unnoticed
as having musb driver loaded hides the issue, and suspend and resume works
once without the driver loaded.
Fixes: 1819ef2e2d ("bus: ti-sysc: Use swsup quirks also for am335x musb")
Suggested-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Naresh Kamboju <naresh.kamboju@linaro.org> reported that Beaglebone-X15
does not detect sata drives any longer after dra7 was flipped to boot with
device tree data only. Turns out we are now missing the sata related quirk
flags in ti-sysc that we used to have earlier.
Fixes: 98feab31ac ("ARM: OMAP2+: Drop legacy platform data for dra7 sata")
Fixes: 21206c8f2c ("ARM: OMAP2+: Drop legacy platform data for omap5 sata")
Link: https://lore.kernel.org/regressions/CA+G9fYtTN6ug3eBAW3wMcDeESUo+ebj7L5HBe5_fj4uqDExFQg@mail.gmail.com/
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance optimized
for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target module
has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as we
now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
- omap-prm driver needs to enable autoidle retention support for omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of using
builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmCC2JwACgkQmmx57+YA
GNkgRg//cBtq2NyDbjiNABxFSkmGCfcc0w0C2wjVzr4cfg6BLTbuvvlpZxI912pu
P1G2sbsdfQJ8sSeIyZos+PilWK0zHrqlaGZfKI19US45dMjpteDBgsPd7wNZwBjQ
jbops3YLjztZK1HpY4dIdvMnfxt7yRqhBWaTbPuCwQ35c5KsOM8NHB3cP3BUINWK
x1uuBCv9svppzwdDiPxneV93WKEzabOUo+WBMPyh5vnyvmW17Iif4BA/VKQxzymm
mWUi8HHpKBpvntJOKwAD2hnLAdpR3SwX20SLOpyLhnJMotbzNUEqq3LdRxDNPdHk
ry+rarJ78JGlYfpcfegf2bLf5ITNMfOyRGkjtzeYpcZIXPjufOg9DA9YtAy37k0u
L0T/9gQ+tQ01WGMca77OyUtIqJKdblZrQMfuH/yGlR99bqFQMV7rNc7GNlX1MXp/
zw4aOYrRWGtGEeAjx5JJWcYydvMSJpCrqxTz3YhgeJECHB2iA6YkV3NROR4TLW//
tfxaKqxR/KmSqE6hoVOAuuQ0BLXNlql/+4EE6MKsAOBiKPJclvmJg4CyuY8G21ev
9Su0zJnXMzai7gNu32v1pizGj26+AOhxCEgAG0mGgk2jlQSn24CKgm5e7kCUewcF
j/1XksNPT95v/K8MsLpXe5xGvF3jhA1BlFfvjJNZOrcZywBXRxg=
=iidq
-----END PGP SIGNATURE-----
Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
Almost all SoC code changes this time are for the TI OMAP
platform, which continues its decade-long quest to move from
describing a complex SoC in code to device tree.
Aside from this, the Uniphier platform has a new maintainer
and some platforms have minor bugfixes and cleanups that were
not urgent enough for v5.12.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=YFEX
-----END PGP SIGNATURE-----
Merge tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"Almost all SoC code changes this time are for the TI OMAP platform,
which continues its decade-long quest to move from describing a
complex SoC in code to device tree.
Aside from this, the Uniphier platform has a new maintainer and some
platforms have minor bugfixes and cleanups that were not urgent enough
for v5.12"
* tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
MAINTAINERS: Update ARM/UniPhier SoCs maintainers and status
mailmap: Update email address for Nicolas Saenz
MAINTAINERS: Update BCM2711/BCM2335 maintainer's mail
ARM: exynos: correct kernel doc in platsmp
ARM: hisi: use the correct HiSilicon copyright
ARM: ux500: make ux500_cpu_die static
ARM: s3c: Use pwm_get() in favour of pwm_request() in RX1950
ARM: OMAP1: fix incorrect kernel-doc comment syntax in file
ARM: OMAP2+: fix incorrect kernel-doc comment syntax in file
ARM: OMAP2+: Use DEFINE_SPINLOCK() for spinlock
ARM: at91: pm: Move prototypes to mutually included header
ARM: OMAP2+: use true and false for bool variable
ARM: OMAP2+: add missing call to of_node_put()
ARM: OMAP2+: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
ARM: imx: Kconfig: Fix typo in help
ARM: mach-imx: Fix a spelling in the file pm-imx5.c
bus: ti-sysc: Warn about old dtb for dra7 and omap4/5
ARM: OMAP2+: Stop building legacy code for dra7 and omap4/5
ARM: OMAP2+: Drop legacy platform data for omap5 hwmod
ARM: OMAP2+: Drop legacy platform data for omap5 l3
...
Here is the big set of various smaller driver subsystem updates for
5.13-rc1.
Major bits in here are:
- habanalabs driver updates
- hwtracing driver updates
- interconnect driver updates
- mhi driver updates
- extcon driver updates
- fpga driver updates
- new binder features added
- nvmem driver updates
- phy driver updates
- soundwire driver updates
- smaller misc and char driver fixes and updates.
- bluetooth driver bugfix that maintainer wanted to go through
this tree.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYIa0CQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ylQ/QCgwLQleU5hH/iQwxbHgNL5GawNUroAmwZtxILF
1r6zjmGi0Ak4oFBf7A0T
=Rrl6
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of various smaller driver subsystem updates for
5.13-rc1.
Major bits in here are:
- habanalabs driver updates
- hwtracing driver updates
- interconnect driver updates
- mhi driver updates
- extcon driver updates
- fpga driver updates
- new binder features added
- nvmem driver updates
- phy driver updates
- soundwire driver updates
- smaller misc and char driver fixes and updates.
- bluetooth driver bugfix that maintainer wanted to go through this
tree.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (330 commits)
bluetooth: eliminate the potential race condition when removing the HCI controller
coresight: etm-perf: Fix define build issue when built as module
phy: Revert "phy: ti: j721e-wiz: add missing of_node_put"
phy: ti: j721e-wiz: Add missing include linux/slab.h
phy: phy-twl4030-usb: Fix possible use-after-free in twl4030_usb_remove()
stm class: Use correct UUID APIs
intel_th: pci: Add Alder Lake-M support
intel_th: pci: Add Rocket Lake CPU support
intel_th: Consistency and off-by-one fix
intel_th: Constify attribute_group structs
intel_th: Constify all drvdata references
stm class: Remove an unused function
habanalabs/gaudi: Fix uninitialized return code rc when read size is zero
greybus: es2: fix kernel-doc warnings
mei: me: add Alder Lake P device id.
dw-xdata-pcie: Update outdated info and improve text format
dw-xdata-pcie: Fix documentation build warns
fbdev: zero-fill colormap in fbcmap.c
firmware: qcom-scm: Fix QCOM_SCM configuration
speakup: i18n: Switch to kmemdup_nul() in spk_msg_set()
...
core:
- Added support for Flash Programmer execution environment which allows the
host machine (like x86) to flash the modem firmware to NAND or eMMC in the
modem. The MHI bus will expose EDL channels (34, 35) and then the opensource
QDL tool [1] can be used to flash the firmware from the host.
- Added an internal helper for polling the MHI registers with a retry interval.
This helper is used now to poll for the MHI ready state in MHI STATUS
register.
- Various fixes for issues found during the bringup of SDX24/SDX55 based Quectel
and Telit modems.
- Updates to the Execution environment handling for proper downloading of the
AMSS image from SBL (Secondary Bootloader) mode.
- Added support for sending STOP channel command to the MHI device and also made
changes to the MHI core for proper handling of stop and restart.
- Fixed the runtime_pm handling in the core by forcing the device to be in wake
mode until TX completion and allowing it to suspend for RX.
- Added sanity checks for values read from the device to avoid crash if those
are corrupted somehow.
- Fixed warnings generated by sparse (W=2)
- Couple of kernel doc cleanups in mhi.h
pci_generic:
- Added support for runtime PM and generic PM
- Added Firehose channels for flashing the firmware
- Added support for modems such as Quectel EM1XXGR-L, SDX24, SDX65, Foxconn
T99W175 exposing relevant channels.
[1] https://git.linaro.org/landing-teams/working/qualcomm/qdl.git
-----BEGIN PGP SIGNATURE-----
iQEzBAABCgAdFiEEZ6VDKoFIy9ikWCeXVZ8R5v6RzvUFAmByjAUACgkQVZ8R5v6R
zvXcgQf/cmZ+E7DUXfIutbtxu0WQsprLoi12Z+tNy+0di/6HbstodNYsDJGEMCeg
f5mXClHMTj6uO5aRu+5tgWxA6pNNBeHSpJmztbbxjrtdiAC1tZHXMFCMQ/Mj4Sv5
IFmfHVF/wsMdFJUkfaOWC45mVhPG/TK5Wng86CUSZXUdhgC0AxY0mQqmivTjS5UE
TA1zxCTS7ni97fceGM+V2JlebFYJJ+gwkVVgHhZMF0x+1xNldoNCxjSfMso6EeS1
ThK8bjxYYi/eRcM1jltdv/zWlJbePOTSos5Pkm+NQsauPWtETELKq58MDhLTzD28
aiQ8mx10gsYDGXvXpfh3nsMN1pwOfg==
=lVaD
-----END PGP SIGNATURE-----
Merge tag 'mhi-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI changes for v5.13
core:
- Added support for Flash Programmer execution environment which allows the
host machine (like x86) to flash the modem firmware to NAND or eMMC in the
modem. The MHI bus will expose EDL channels (34, 35) and then the opensource
QDL tool [1] can be used to flash the firmware from the host.
- Added an internal helper for polling the MHI registers with a retry interval.
This helper is used now to poll for the MHI ready state in MHI STATUS
register.
- Various fixes for issues found during the bringup of SDX24/SDX55 based Quectel
and Telit modems.
- Updates to the Execution environment handling for proper downloading of the
AMSS image from SBL (Secondary Bootloader) mode.
- Added support for sending STOP channel command to the MHI device and also made
changes to the MHI core for proper handling of stop and restart.
- Fixed the runtime_pm handling in the core by forcing the device to be in wake
mode until TX completion and allowing it to suspend for RX.
- Added sanity checks for values read from the device to avoid crash if those
are corrupted somehow.
- Fixed warnings generated by sparse (W=2)
- Couple of kernel doc cleanups in mhi.h
pci_generic:
- Added support for runtime PM and generic PM
- Added Firehose channels for flashing the firmware
- Added support for modems such as Quectel EM1XXGR-L, SDX24, SDX65, Foxconn
T99W175 exposing relevant channels.
[1] https://git.linaro.org/landing-teams/working/qualcomm/qdl.git
* tag 'mhi-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi: (49 commits)
bus: mhi: fix typo in comments for struct mhi_channel_config
bus: mhi: core: Fix shadow declarations
bus: mhi: pci_generic: Constify mhi_controller_config struct definitions
bus: mhi: pci_generic: Introduce Foxconn T99W175 support
bus: mhi: core: Sanity check values from remote device before use
bus: mhi: pci_generic: Add FIREHOSE channels
bus: mhi: pci_generic: Implement PCI shutdown callback
bus: mhi: Improve documentation on channel transfer setup APIs
bus: mhi: core: Remove __ prefix for MHI channel unprepare function
bus: mhi: core: Check channel execution environment before issuing reset
bus: mhi: core: Clear configuration from channel context during reset
bus: mhi: core: Hold device wake for channel update commands
bus: mhi: core: Update debug messages to use client device
bus: mhi: core: Improvements to the channel handling state machine
bus: mhi: core: Clear context for stopped channels from remove()
bus: mhi: core: Allow sending the STOP channel command
bus: mhi: pci_generic: Add SDX65 based modem support
bus: mhi: core: Remove pre_init flag used for power purposes
bus: mhi: pm: reduce PM state change verbosity
bus: mhi: core: Fix MHI runtime_pm behavior
...
Change my e-mail address to kabel@kernel.org, and fix my name in
non-code parts (add diacritical mark).
Link: https://lkml.kernel.org/r/20210325171123.28093-2-kabel@kernel.org
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit fixes below sparse warnings with W=2 about shadow
declarations:
drivers/bus/mhi/core/main.c: In function ‘parse_xfer_event’:
drivers/bus/mhi/core/main.c:667:17: warning: declaration of ‘flags’ shadows a previous local [-Wshadow]
667 | unsigned long flags;
| ^~~~~
drivers/bus/mhi/core/main.c:565:16: note: shadowed declaration is here
565 | unsigned long flags = 0;
| ^~~~~
drivers/bus/mhi/core/main.c: In function ‘mhi_process_ctrl_ev_ring’:
drivers/bus/mhi/core/main.c:856:23: warning: declaration of ‘new_state’ shadows a previous local [-Wshadow]
856 | enum mhi_pm_state new_state;
| ^~~~~~~~~
drivers/bus/mhi/core/main.c:837:19: note: shadowed declaration is here
837 | enum mhi_state new_state;
| ^~~~~~~~~
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This introduces SC7280 and SM8350 support in the RPMH power-domain
driver, SC7280 support to the LLCC driver, SC7280 support tot he AOSS
QMP driver, cleanups to the RPMH driver and a few smaller fixes to the
SMEM, QMI and EBI2 drivers.
-----BEGIN PGP SIGNATURE-----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=sgiW
-----END PGP SIGNATURE-----
Merge tag 'qcom-drivers-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for 5.13
This introduces SC7280 and SM8350 support in the RPMH power-domain
driver, SC7280 support to the LLCC driver, SC7280 support tot he AOSS
QMP driver, cleanups to the RPMH driver and a few smaller fixes to the
SMEM, QMI and EBI2 drivers.
* tag 'qcom-drivers-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
bus: qcom: Put child node before return
dt-bindings: firmware: scm: Add sc7280 support
soc: qcom: rpmh-rsc: Fold WARN_ON() into if condition
soc: qcom: rpmh-rsc: Loop over fewer bits in irq handler
soc: qcom: rpmh-rsc: Remove tcs_is_free() API
soc: qcom: smem: Update max processor count
soc: qcom: aoss: Add AOSS QMP support for SC7280
dt-bindings: soc: qcom: aoss: Add SC7280 compatible
soc: qcom: llcc: Add configuration data for SC7280
dt-bindings: arm: msm: Add LLCC for SC7280
soc: qcom: Fix typos in the file qmi_encdec.c
soc: qcom: rpmhpd: Add sc7280 powerdomains
dt-bindings: power: rpmpd: Add sc7280 to rpmpd binding
soc: qcom: rpmhpd: Add SM8350 power domains
dt-bindings: power: Add rpm power domain bindings for SM8350
Link: https://lore.kernel.org/r/20210404164951.713045-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
"mhi_controller_config" struct is not modified inside "mhi_pci_dev_info"
struct. So constify the instances.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support for T99W175 modems, this modem series is based on SDX55
qcom chip. The modem is mainly based on MBIM protocol for both the
data and control path.
This patch adds support for below modems:
- T99W175(based on sdx55), Both for eSIM and Non-eSIM
- DW5930e(based on sdx55), With eSIM, It's also T99W175
- DW5930e(based on sdx55), Non-eSIM, It's also T99W175
This patch was tested with Ubuntu 20.04 X86_64 PC as host
Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210408095524.3559-1-jarvis.w.jiang@gmail.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
When parsing the structures in the shared memory, there are values which
come from the remote device. For example, a transfer completion event
will have a pointer to the tre in the relevant channel's transfer ring.
As another example, event ring elements may specify a channel in which
the event occurred, however the specified channel value may not be valid
as no channel is defined at that index even though the index may be less
than the maximum allowed index. Such values should be considered to be
untrusted, and validated before use. If we blindly use such values, we
may access invalid data or crash if the values are corrupted.
If validation fails, drop the relevant event.
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Link: https://lore.kernel.org/r/1615411855-15053-1-git-send-email-jhugo@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Deinit the device on shutdown to halt MHI/PCI operation on device
side. This change fixes floating device state with some hosts that
do not fully shutdown PCIe device when rebooting.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1616169037-7969-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The __mhi_unprepare_channel() API does not require the __ prefix.
Get rid of it and make the internal function consistent with the
other function names.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Link: https://lore.kernel.org/r/1617311778-1254-9-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
A client can attempt to unprepare certain channels for transfer even
after the execution environment they are supposed to run in has changed.
In the event that happens, the device need not be notified of the reset
and the host can proceed with clean up for the channel context and
memory allocated for it on the host as the device will no longer be able
to respond to such a request.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-8-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
When clearing up the channel context after client drivers are
done using channels, the configuration is currently not being
reset entirely. Ensure this is done to appropriately handle
issues where clients unaware of the context state end up calling
functions which expect a context.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-7-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI host can fail early if device is in a bad state by attempting
to assert device wake and holding the runtime PM vote before
sending a channel update command instead of performing a wake
toggle and waiting for a timeout if the send were to fail. This
can help improve the design and enable shorter wait periods for
device to respond as votes are already held.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-6-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Debug messages dealing with client devices use the generic MHI
controller or parent device along with a channel number. It would
be better to instead use the client device directly and enable
better log messages for channel updates.
Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-5-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Improve the channel handling state machine such that all commands
go through a common function and a validation process to ensure
that the state machine is not violated in any way and adheres to
the MHI specification. Using this common function allows MHI to
eliminate some unnecessary debug messages and code duplication.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-4-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If a channel was explicitly stopped but not reset and a driver
remove is issued, clean up the channel context such that it is
reflected on the device. This move is useful if a client driver
module is unloaded or a device crash occurs with the host having
placed the channel in a stopped state.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-3-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support to allow sending the STOP channel command. If a
client driver would like to STOP a channel and have the device
retain the channel context instead of issuing a RESET to it and
clearing the context, this would provide support for it after
the ability to send this command is exposed to clients.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617311778-1254-2-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Some controllers can choose to skip preparation for power up.
In that case, device context is initialized based on the pre_init
flag not being set during mhi_prepare_for_power_up(). There is no
reason MHI host driver should maintain and provide controllers
with two separate paths for preparing MHI.
Going forward, all controllers will be required to call the
mhi_prepare_for_power_up() API followed by their choice of sync
or async power up. This allows MHI host driver to get rid of the
pre_init flag and sets up a common way for all controllers to use
MHI. This also helps controllers fail early on during preparation
phase in some failure cases.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617313309-24035-1-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Since M3 can be entered/exited quite a lot when used for runtime PM,
keep the mhi suspend/resume transitions quiet.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617700315-12492-2-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This change ensures that PM reference is always get during packet
queueing and released either after queuing completion (RX) or once
the buffer has been consumed (TX). This guarantees proper update for
underlying MHI controller runtime status (e.g. last_busy timestamp)
and prevents suspend to be triggered while TX packets are flying,
or before we completed update of the RX ring.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617700315-12492-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Clang warns about the comparison when using a 32-bit phys_addr_t:
drivers/bus/mvebu-mbus.c:621:17: error: result of comparison of constant 4294967296 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
if (reg_start >= 0x100000000ULL)
Add a cast to shut up the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20210323131952.2835509-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
In certain devices, it is likely that there is no incoming MHI
interrupt for a transition to MHI READY state. One such example
is the move from Pass Through to an SBL or AMSS execution
environment. In order to facilitate faster bootup times as there
is no need to wait until timeout_ms completes, MHI host can poll
every 25 milliseconds to check if device has entered MHI READY
until a maximum timeout of twice the timeout_ms is reached.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617215665-19593-3-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Introduce helper function to allow MHI core driver to poll for
a value in a register field. This helps reach a common path to
read and poll register values along with a retry time interval.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617215665-19593-2-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
As of now abbreviations are being used for many state and
execution environment strings. Improve and expand those such that
debug messages are clear.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-8-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
When moving from SYS_ERROR transition to a different execution
environment, MHI host relies on the BHI register read to spawn
the next image download or wait for READY -> M0 states. The
device can at times move the execution environment to mission
mode when a pass through is expected, which can result in a
stall. Initiate a wait for MHI READY and write M0 such that the
device can proceed with state change event updates for any new
execution environment being entered. This allows us to remove
conditionals in handling firmware load for PBL modes and keeps
the execution environment out of the picture as it can change at
any time.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-7-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI power up can go through an EDL to Flash Programmer path when
the device has a blank NAND. In those cases, mhi_sync_power_up()
can timeout waiting for a mission mode execution environment.
Allow a successful power up instead by identifying Flash
Programmer as a valid mission mode execution environment with a
purpose to flash the device image contents.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-6-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI WWAN modems support downloading firmware to NAND or eMMC
using Firehose protocol with process as follows:
1. Modem boots up, enters AMSS execution environment and the
device later enters EDL (Emergency Download) mode through any
mechanism host can use such as a diag command.
2. Modem enters SYS_ERROR, MHI host handles SYS_ERROR transition.
3. EDL image for device to enter 'Flash Programmer' execution
environment is then flashed via BHI interface from host.
4. Modem enters MHI READY -> M0 and sends the Flash Programmer
execution environment change to host.
5. Following that, EDL/FIREHOSE channels (34, 35) are made
available from the host.
6. User space tool for downloading firmware image to modem over
the EDL channels using Firehose protocol. Link to USB flashing
tool: https://git.linaro.org/landing-teams/working/qualcomm/qdl.git/
Make the necessary changes to allow for this sequence to occur and
allow using the Flash Programmer execution environment.
Signed-off-by: Carl Yin <carl.yin@quectel.com>
Co-developed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-5-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Device entering EDL or Emergency Download Mode will be in a
SYS_ERROR MHI state. This requires MHI host to proceed with the
EDL image download over BHI before device can enter an MHI READY
state and proceed with further bootup. Allow this to be handled
by relying on the execution environment check after SYS_ERROR
processing to determine whether to wait for an MHI READY or
download the EDL image over BHI after moving MHI PM state to
Power on Reset internally. This way handling is contained well
within the MHI core driver and helps pave the way for Flash
Programmer execution environment functionality.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-4-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Currently, the firmware load handler returns after the EDL image
is downloaded. Wait for an MHI READY transition instead as the
specification expects so as to proceed with further bootup such
as device entering Flash Programmer execution environment.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-3-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Relying on the current execution environment to determine if EDL
image was downloaded should not be done as the execution
environment can change at this point in error cases and we may
misread it. Instead, MHI can rely on the local 'fw_name' variable
as a safer alternative.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1617067704-28850-2-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Put child node before return to fix potential reference count leak.
Generally, the reference count of child is incremented and decremented
automatically in the macro for_each_available_child_of_node() and should
be decremented manually if the loop is broken in loop body.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Fixes: 335a127548 ("bus: qcom: add EBI2 driver")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210121114907.109267-1-bianpan2016@163.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Use kzalloc rather than kcalloc(1,...)
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
@@
- kcalloc(1,
+ kzalloc(
...)
// </smpl>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Eliminate the following coccicheck warning:
./drivers/bus/ti-sysc.c:1595:2-3: Unneeded semicolon
./drivers/bus/ti-sysc.c:2833:3-4: Unneeded semicolon
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Regression fixes for multiple issues found mostly caused by recent changes
to drop legacy platform data and and starting to use the new prm driver
reset controller:
- Fix ocp interconnect bus access error reporting for omap_l3_noc by
setting IRQF_NO_THREAD
- Fix changed mmc slot order regression by adding mmc aliases for am335x
- Fix dra7 reboot regression caused by invalid pcie reset map
- Fix smartreflex init regression caused by dropped legacy data
- Fix ti-sysc driver warning on unbind if reset is not deasserted
- Fix flakey reset deassert for dra7 iva
-----BEGIN PGP SIGNATURE-----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=sZVC
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.12/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.12-rc cycle
Regression fixes for multiple issues found mostly caused by recent changes
to drop legacy platform data and and starting to use the new prm driver
reset controller:
- Fix ocp interconnect bus access error reporting for omap_l3_noc by
setting IRQF_NO_THREAD
- Fix changed mmc slot order regression by adding mmc aliases for am335x
- Fix dra7 reboot regression caused by invalid pcie reset map
- Fix smartreflex init regression caused by dropped legacy data
- Fix ti-sysc driver warning on unbind if reset is not deasserted
- Fix flakey reset deassert for dra7 iva
* tag 'omap-for-v5.12/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
soc: ti: omap-prm: Fix occasional abort on reset deassert for dra7 iva
bus: ti-sysc: Fix warning on unbind if reset is not deasserted
ARM: OMAP2+: Fix smartreflex init regression after dropping legacy data
soc: ti: omap-prm: Fix reboot issue with invalid pcie reset map for dra7
ARM: dts: am33xx: add aliases for mmc interfaces
bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
Link: https://lore.kernel.org/r/pull-1614868603-800959@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
We cannot process a power_down if the power state is DISABLED. There is
no valid mhi_ctxt in that case, so attepting to process the power_down
will likely result in a null pointer dereference. If the power state is
DISABLED, there is nothing to do anyways, so just bail early.
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1615409365-8165-1-git-send-email-jhugo@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Currently ENOMEM is returned when MHI ring is full. This error code is
very misleading. Change to EAGAIN instead.
Signed-off-by: Fan Wu <wufan@codeaurora.org>
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1615408803-7016-1-git-send-email-jhugo@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The variables state and ee are being initialized with values that
are never read and are being updated later with a new values. The
initializations are redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210311111727.8433-1-colin.king@canonical.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Let's warn if an old incomplete dtb is detected. We now assume the dtb
is complete and does not depend on the legacy platform data.
Signed-off-by: Tony Lindgren <tony@atomide.com>
The check to see if we have reset the device after detecting syserr at
power_up is inverted. wait_for_event_timeout() returns 0 on failure,
and a positive value on success. The check is looking for non-zero
as a failure, which is likely to incorrectly cause a device init failure
if syserr was detected at power_up. Fix this.
Fixes: e18d4e9fa7 ("bus: mhi: core: Handle syserr during power_up")
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1613165243-23359-1-git-send-email-jhugo@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Update debug prints to include local device in the BHI interrupt
handler. This helps show transitions better between MHI states.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1614208985-20851-5-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
In current design, whenever the BHI interrupt is fired, the
execution environment is updated. This can cause race conditions
and impede ongoing power up/down processing. For example, if a
power down is in progress, MHI host updates to a local "disabled"
execution environment. If a BHI interrupt fires later, that value
gets replaced with one from the BHI EE register. This impacts the
controller as it does not expect multiple RDDM execution
environment change status callbacks as an example. Another issue
would be that the device can enter mission mode and the execution
environment is updated, while device creation for SBL channels is
still going on due to slower PM state worker thread run, leading
to multiple attempts at opening the same channel.
Ensure that EE changes are handled only from appropriate places
and occur one after another and handle only PBL modes or RDDM EE
changes as critical events directly from the interrupt handler.
Simplify handling by waiting for SYS ERROR before handling RDDM.
This also makes sure that we use the correct execution environment
to notify the controller driver when the device resets to one of
the PBL execution environments.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614208985-20851-4-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
During full boot chain firmware download, the PM state worker
downloads the AMSS image after a blocking wait for the SBL
execution environment change when running in PBL transition
itself. Improve this design by having the host download the AMSS
image from the SBL transition of PM state worker thread when a
DEV_ST_TRANSITION_SBL is queued instead of the blocking wait.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1614208985-20851-3-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Currently, client devices are created in SBL or AMSS (mission
mode) and only destroyed after power down or SYS ERROR. When
moving between certain execution environments, such as from SBL
to AMSS, no clean-up is required. This presents an issue where
SBL-specific channels are left open and client drivers now run in
an execution environment where they cannot operate. Fix this by
expanding the mhi_destroy_device() to do an execution environment
specific clean-up if one is requested. Close the gap and destroy
devices in such scenarios that allow SBL client drivers to clean
up once device enters mission mode.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614208985-20851-2-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI suspend/resume are symmetric and balanced procedures. If device is
not in M3 state on a resume, that means something happened behind our
back. In this case resume is aborted and error reported, to let the
controller handle the situation.
This is mainly requested for system wide suspend-resume operation in
PCI context which may lead to power-down/reset of the controller which
will then lose its MHI context. In such cases, PCI driver is supposed
to recover and reinitialize the device.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614960841-20233-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
As per documentation, fields marked as (required) in an MHI
controller structure need to be populated by the controller driver
before calling mhi_register_controller(). Ensure all required
pointers and non-zero fields are present in the controller before
proceeding with the registration.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1615315490-36017-1-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Use MHI controller device name instead of the 'bus' device name as
debugfs dir name (e.g. /sys/kernel/debug/mhi0). That aligns with
sysfs device name.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Tested-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Link: https://lore.kernel.org/r/1613403753-1457-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
mhi_queue returns an error when the doorbell is not accessible in
the current state. This can happen when the device is in non M0
state, like M3, and needs to be waken-up prior ringing the DB. This
case is managed earlier by triggering an asynchronous M3 exit via
controller resume/suspend callbacks, that in turn will cause M0
transition and DB update.
So, since it's not an error but just delaying of doorbell update, there
is no reason to return an error.
This also fixes a use after free error for skb case, indeed a caller
queuing skb will try to free the skb if the queueing fails, but in
that case queueing has been done.
Fixes: a8f75cb348 ("mhi: core: Factorize mhi queuing")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614336782-5809-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
A recent change created a dedicated workqueue for the state-change work
with WQ_HIGHPRI (no strong reason for that) and WQ_MEM_RECLAIM flags,
but the state-change work (mhi_pm_st_worker) does not guarantee forward
progress under memory pressure, and will even wait on various memory
allocations when e.g. creating devices, loading firmware, etc... The
work is then not part of a memory reclaim path...
Moreover, this causes a warning in check_flush_dependency() since we end
up in code that flushes a non-reclaim workqueue:
[ 40.969601] workqueue: WQ_MEM_RECLAIM mhi_hiprio_wq:mhi_pm_st_worker [mhi] is flushing !WQ_MEM_RECLAIM events_highpri:flush_backlog
[ 40.969612] WARNING: CPU: 4 PID: 158 at kernel/workqueue.c:2607 check_flush_dependency+0x11c/0x140
[ 40.969733] Call Trace:
[ 40.969740] __flush_work+0x97/0x1d0
[ 40.969745] ? wake_up_process+0x15/0x20
[ 40.969749] ? insert_work+0x70/0x80
[ 40.969750] ? __queue_work+0x14a/0x3e0
[ 40.969753] flush_work+0x10/0x20
[ 40.969756] rollback_registered_many+0x1c9/0x510
[ 40.969759] unregister_netdevice_queue+0x94/0x120
[ 40.969761] unregister_netdev+0x1d/0x30
[ 40.969765] mhi_net_remove+0x1a/0x40 [mhi_net]
[ 40.969770] mhi_driver_remove+0x124/0x250 [mhi]
[ 40.969776] device_release_driver_internal+0xf0/0x1d0
[ 40.969778] device_release_driver+0x12/0x20
[ 40.969782] bus_remove_device+0xe1/0x150
[ 40.969786] device_del+0x17b/0x3e0
[ 40.969791] mhi_destroy_device+0x9a/0x100 [mhi]
[ 40.969796] ? mhi_unmap_single_use_bb+0x50/0x50 [mhi]
[ 40.969799] device_for_each_child+0x5e/0xa0
[ 40.969804] mhi_pm_st_worker+0x921/0xf50 [mhi]
Fixes: 8f70397876 ("bus: mhi: core: Move to using high priority workqueue")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614161930-8513-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
When the device is idle it is possible to move it into the lowest MHI
PM state (M3). In that mode, all MHI operations are suspended and the
PCI device can be safely put into PCI D3 state.
The device is then resumed from D3/M3 either because of host initiated
MHI operation (e.g. buffer TX) or because the device (modem) has
triggered wake-up via PME feature (e.g. on incoming data).
Same procedures can be used for system wide or runtime suspend/resume.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-6-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The PCI core can take care of proper PCI suspend/resume operations, but
this is discarded when the driver saves PCI state by its own. This
currently prevents the PCI core to enable PME (for modem initiated
D3 exit) which is requested for proper runtime pm support.
This change deletes explicit PCI state-saving and state-set from
suspend callback, letting the PCI doing the appropriate work.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-5-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The wake_db register presence is highly speculative and can fuze MHI
devices. Indeed, currently the wake_db register address is defined at
entry 127 of the 'Channel doorbell array', thus writing to this address
is equivalent to ringing the doorbell for channel 127, causing trouble
with some devics (e.g. SDX24 based modems) that get an unexpected
channel 127 doorbell interrupt.
This change fixes that issue by setting wake get/put as no-op for
pci_generic devices. The wake device sideband mechanism seems really
specific to each device, and is AFAIK not defined by the MHI spec.
It also removes zeroing initialization of wake_db register during MMIO
initialization, the register being set via wake_get/put accessors few
cycles later during M0 transition.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-4-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add generic info for SDX24 based modems. Also add the FIREHOSE channels
used by the flash-programmer firmware loaded in EDL mode.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-3-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support for EM1XXGR-L modems, this modem series is based on SDX24
qcom chip. The modem is mainly based on MBIM protocol for both the
data and control path. The drivers for these channels (mhi-net-mbim and
mhi_uci) are not yet part of the kernel but will be integrated by
different series.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-2-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Not all hardwares need to use the same number of event ring elements.
This change makes this parametrable.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Let's be nice and show an error on the SoCs about old imcomplete devicetree
if the dtb is still using "simple-bus" instead of "simple-pm-bus" for the
root OCP node.
Signed-off-by: Tony Lindgren <tony@atomide.com>
We want to probe l4_wkup and l4_cfg interconnect devices first to avoid
issues with missing resources. Otherwise we attempt to probe l4_per
devices first causing pointless deferred probe and also annoyingh
renumbering of the MMC devices for example.
Signed-off-by: Tony Lindgren <tony@atomide.com>
We have interconnect target modules with no known registers using only
clocks and resets, but we still want to detect them based on the module
IO range. So let's call sysc_parse_and_check_child_range() earlier so we
have module_pa properly initialized.
Fixes: 2928135c93 ("bus: ti-sysc: Support modules without control registers")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Here is the large set of char/misc/whatever driver subsystem updates for
5.12-rc1. Over time it seems like this tree is collecting more and more
tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86
maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only reported
issue being a merge conflict in include/linux/mod_devicetable.h that you
will hit in your tree due to the dfl_device_id addition from the fpga
subsystem in here. The resolution should be simple.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYDZf9w8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yk3xgCcCEN+pCJTum+uAzSNH3YKs/onaDgAnRSVwOUw
tNW6n1JhXLYl9f5JdhvS
=MOHs
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc/whatever driver subsystem updates
for 5.12-rc1. Over time it seems like this tree is collecting more and
more tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86 maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only
reported issue being a merge conflict due to the dfl_device_id
addition from the fpga subsystem in here"
* tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits)
spmi: spmi-pmic-arb: Fix hw_irq overflow
Documentation: coresight: Add PID tracing description
coresight: etm-perf: Support PID tracing for kernel at EL2
coresight: etm-perf: Clarify comment on perf options
ACRN: update MAINTAINERS: mailing list is subscribers-only
regmap: sdw-mbq: use MODULE_LICENSE("GPL")
regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ
regmap: sdw: use _no_pm functions in regmap_read/write
soundwire: intel: fix possible crash when no device is detected
MAINTAINERS: replace my with email with replacements
mhi: Fix double dma free
uapi: map_to_7segment: Update example in documentation
uio: uio_pci_generic: don't fail probe if pdev->irq equals to IRQ_NOTCONNECTED
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
firewire: replace tricky statement by two simple ones
vme: make remove callback return void
firmware: google: make coreboot driver's remove callback return void
firmware: xilinx: Use explicit values for all enum values
sample/acrn: Introduce a sample of HSM ioctl interface usage
virt: acrn: Introduce an interface for Service VM to control vCPU
...
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
SCMI firmware:
- add support for a completion interrupt
Reset controllers:
- new driver for BCM4908
- new devm_reset_control_get_optional_exclusive_released()
function
Memory controllers:
- Renesas RZ/G2 support
- Tegra124 interconnect support
- Allow more drivers to be loadable modules
TEE/optee firmware:
- minor code cleanup
The other half of this is SoC specific drivers that do not
belong into any other subsystem, most of them living in
drivers/soc:
- Allwinner/sunxi power management work
- Allwinner H616 support
- ASpeed AST2600 system identification support
- AT91 SAMA7G5 SoC ID driver
- AT91 SoC driver cleanups
- Broadcom BCM4908 power management bus support
- Marvell mbus cleanups
- Mediatek MT8167 power domain support
- Qualcomm socinfo driver support for PMIC
- Qualcomm SoC identification for many more products
- TI Keystone driver cleanups for PRUSS and elsewhere
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=I2Zn
-----END PGP SIGNATURE-----
Merge tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
SCMI firmware:
- add support for a completion interrupt
Reset controllers:
- new driver for BCM4908
- new devm_reset_control_get_optional_exclusive_released() function
Memory controllers:
- Renesas RZ/G2 support
- Tegra124 interconnect support
- Allow more drivers to be loadable modules
TEE/optee firmware:
- minor code cleanup
The other half of this is SoC specific drivers that do not belong into
any other subsystem, most of them living in drivers/soc:
- Allwinner/sunxi power management work
- Allwinner H616 support
- ASpeed AST2600 system identification support
- AT91 SAMA7G5 SoC ID driver
- AT91 SoC driver cleanups
- Broadcom BCM4908 power management bus support
- Marvell mbus cleanups
- Mediatek MT8167 power domain support
- Qualcomm socinfo driver support for PMIC
- Qualcomm SoC identification for many more products
- TI Keystone driver cleanups for PRUSS and elsewhere"
* tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (89 commits)
soc: aspeed: socinfo: Add new systems
soc: aspeed: snoop: Add clock control logic
memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
memory: ti-emif-pm: Drop of_match_ptr from of_device_id table
optee: simplify i2c access
drivers: soc: atmel: fix type for same7
tee: optee: remove need_resched() before cond_resched()
soc: qcom: ocmem: don't return NULL in of_get_ocmem
optee: sync OP-TEE headers
tee: optee: fix 'physical' typos
drivers: optee: use flexible-array member instead of zero-length array
tee: fix some comment typos in header files
soc: ti: k3-ringacc: Use of_device_get_match_data()
soc: ti: pruss: Refactor the CFG sub-module init
soc: mediatek: pm-domains: Don't print an error if child domain is deferred
soc: mediatek: pm-domains: Add domain regulator supply
dt-bindings: power: Add domain regulator supply
soc: mediatek: cmdq: Remove cmdq_pkt_flush()
soc: mediatek: pm-domains: Add support for mt8167
...
There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use [1], and
received confirmation about six ARM platforms and the TI C6x architecture
that have all reached the end of their life upstream, with no known
users remaining:
- efm32 -- added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell -- added in 2011, abandoned after 2012 acquisition
- prima2 -- added in 20111, no notable changes since 2015
- tango -- added in 2015, sporadic changes until 2017, but abandoned
- u300 -- added in 2009, no notable changes since 2013
- zx --added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x -- added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users
that plan to contribute them in the future, in other cases the code
is complete and works reliably.
[1] https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=pf3b
-----END PGP SIGNATURE-----
Merge tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform removals from Arnd Bergmann:
"There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use, and
received confirmation about six ARM platforms and the TI C6x
architecture that have all reached the end of their life upstream,
with no known users remaining:
- efm32 - added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell - added in 2011, abandoned after 2012 acquisition
- prima2 - added in 20111, no notable changes since 2015
- tango - added in 2015, sporadic changes until 2017, but abandoned
- u300 - added in 2009, no notable changes since 2013
- zx - added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x - added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users that
plan to contribute them in the future, in other cases the code is
complete and works reliably"
Link: https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
* tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: remove u300 platform
ARM: remove tango platform
ARM: remove zte zx platform
ARM: remove sirf prima2/atlas platforms
c6x: remove architecture
MAINTAINERS: Remove deleted platform efm32
ARM: drop efm32 platform
ARM: Remove PicoXcell platform support
ARM: dts: Remove PicoXcell platforms
We currently get thefollowing on driver unbind if a reset is configured
and asserted:
WARNING: CPU: 0 PID: 993 at drivers/reset/core.c:432 reset_control_assert
...
(reset_control_assert) from [<c0fecda8>] (sysc_remove+0x190/0x1e4)
(sysc_remove) from [<c0a2bb58>] (platform_remove+0x24/0x3c)
(platform_remove) from [<c0a292fc>] (__device_release_driver+0x154/0x214)
(__device_release_driver) from [<c0a2a210>] (device_driver_detach+0x3c/0x8c)
(device_driver_detach) from [<c0a27d64>] (unbind_store+0x60/0xd4)
(unbind_store) from [<c0546bec>] (kernfs_fop_write_iter+0x10c/0x1cc)
Let's fix it by checking the reset status.
Signed-off-by: Tony Lindgren <tony@atomide.com>
mhi_deinit_chan_ctxt functionthat takes care of unitializing channel
resources, including unmapping coherent MHI areas, can be called
from different path in case of controller unregistering/removal:
- From a client driver remove callback, via mhi_unprepare_channel
- From mhi_driver_remove that unitialize all channels
mhi_driver_remove()
|-> driver->remove()
| |-> mhi_unprepare_channel()
| |-> mhi_deinit_chan_ctxt()
|...
|-> mhi_deinit_chan_ctxt()
This leads to double dma freeing...
Fix that by preventing deinit for already uninitialized channel.
Link: https://lore.kernel.org/r/1612894264-15956-1-git-send-email-loic.poulain@linaro.org
Fixes: a7f422f2f8 ("bus: mhi: Fix channel close issue on driver remove")
Reported-by: Kalle Valo <kvalo@codeaurora.org>
Tested-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210210082538.2494-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add some new MC firmware commands that can be received through the
userspace ioctl interface - *get_max_frame_length and *_get_counter.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210208170949.3070898-4-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A new object type was recently added in MC. This has to be added in the
fsl-mc bus device type list so that it can be properly listed.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210208170949.3070898-3-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The "desc" pointer can't possibly be NULL here. If we can't find the
correct "desc" then tt points to the last element of the
fsl_mc_accepted_cmds[] array. Fix this by testing if
"i == FSL_MC_NUM_ACCEPTED_CMDS" instead.
Fixes: 2cf1e703f0 ("bus: fsl-mc: add fsl-mc userspace support")
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210208170949.3070898-2-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Loic improved the MHI PCI generic controller by adding support for DIAG channel,
PCI error handling, suspend/recovery/resume, and health check. Loic also added
support for resetting the MHI device as per the MHI specification. This includes
writing to a specific register for default cases and looking for controller
specific callback when provided.
Along with this Loic, also added a new API which gets the number for free TREs
(Transfer Ring Elements) from the MHI core. The client drivers can make use of
this API and the current consumer is the "mhi-net" driver. For taking both the
"mhi-net" driver change and the API change, we created "mhi-net-immutable"
branch for this patch and merged the same into net-next and mhi-next.
Carl added a patch which lets the controller driver to pass the custom IRQ
flags for BHI and MHI event interrupts to the MHI core. The current consumer of
this feature is the ath11k MHI controller driver. For taking both the changes,
we created "mhi-ath11k-immutable" branch for this patch and merged into
ath11k-next and mhi-next.
Finally, Loic cleaned up the MHI queue APIs and fixed the shared MSI vector
support.
-----BEGIN PGP SIGNATURE-----
iQEzBAABCgAdFiEEZ6VDKoFIy9ikWCeXVZ8R5v6RzvUFAmAdQIMACgkQVZ8R5v6R
zvWtsQgApNckrY1W+CAOi/CkYrwvO7ADNw+nZIEu1FkhnDo5qCTwDYfNogf3K9lq
LbtuQLaBBE4ilvrB+o4ubLYBaRN0Bt4B+ImShvPmJw6/HDuuzW2AmdDn66bMMRHz
wZ0cXgisnrJn8tSIZUfx05wyxT6AV+A4f0cZv/FzU0rzIgrHsJVdDtrGcxOnoK2w
tbUoGuIwCIN8uJp+XXpBufujKz6S+2GSHKP6ELdNhoNhgag7u+fau5IUZVewTkSM
ayAYwlzHOR5TCnI+/clOEh7RHodORZ0xvsj5IqEuaFz0PwF/fT/37LMWfNP3Cc11
FjM/ZU++gKh6aa/PEJlGTxSlqVK+NQ==
=tdTN
-----END PGP SIGNATURE-----
Merge tag 'mhi-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI changes for v5.12
Loic improved the MHI PCI generic controller by adding support for DIAG channel,
PCI error handling, suspend/recovery/resume, and health check. Loic also added
support for resetting the MHI device as per the MHI specification. This includes
writing to a specific register for default cases and looking for controller
specific callback when provided.
Along with this Loic, also added a new API which gets the number for free TREs
(Transfer Ring Elements) from the MHI core. The client drivers can make use of
this API and the current consumer is the "mhi-net" driver. For taking both the
"mhi-net" driver change and the API change, we created "mhi-net-immutable"
branch for this patch and merged the same into net-next and mhi-next.
Carl added a patch which lets the controller driver to pass the custom IRQ
flags for BHI and MHI event interrupts to the MHI core. The current consumer of
this feature is the ath11k MHI controller driver. For taking both the changes,
we created "mhi-ath11k-immutable" branch for this patch and merged into
ath11k-next and mhi-next.
Finally, Loic cleaned up the MHI queue APIs and fixed the shared MSI vector
support.
* tag 'mhi-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: pci_generic: Increase num of elements in hw event ring
mhi: pci_generic: Print warning in case of firmware crash
bus: mhi: core: Add helper API to return number of free TREs
mhi: core: Factorize mhi queuing
mhi: use irq_flags if controller driver configures it
mhi: pci_generic: Fix shared MSI vector support
mhi: unconstify mhi_event_config
bus: mhi: Ensure correct ring update ordering with memory barrier
mhi: pci_generic: Set irq moderation value to 1ms for hw channels
mhi: pci_generic: Add diag channels
mhi: pci_generic: Increase controller timeout value
mhi: pci_generic: Add health-check
mhi: pci_generic: Add PCI error handlers
mhi: pci_generic: Add suspend/resume/recovery procedure
mhi: pci_generic: Add support for reset
mhi: pci_generic: Enable burst mode for hardware channels
mhi: pci-generic: Increase number of hardware events
bus: mhi: core: Add device hardware reset support
We met some sporadic modem crashes during high throughput testing, this
has been root caused to a lack of elements in the event ring. Indeed,
the modem is simply crashing when event ring becomes empty.
It appears that the total number event ring elements is too low given
the performances of the modem (IPA hardware accelerator). This change
increases the number of elements in the hardware event ring to 2048,
which is aligned with what is defined in downstream version:
https://source.codeaurora.org/quic/la/kernel/msm-4.14/tree/arch/arm64/boot/dts/qcom/sm8150-mhi.dtsi?h=msm-4.14#n482
With this change, modem coes not crash anymore.
Note: An event ring element is 16-Byte, so the total memory usage of
a hardware event ring is now 32KB.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1612514195-8257-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The main purpose of l3 IRQs is to catch OCP bus access errors and identify
corresponding code places by showing call stack, so it's important to
handle L3 interconnect errors as fast as possible. On RT these IRQs will
became threaded and will be scheduled much more late from the moment actual
error occurred so showing completely useless information.
Hence, mark l3 IRQs as IRQF_NO_THREAD so they will not be forced threaded
on RT or if force_irqthreads = true.
Fixes: 0ee7261c92 ("drivers: bus: Move the OMAP interconnect driver to drivers/bus/")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
make coccicheck complains:
./drivers/bus/mvebu-mbus.c:1113:2-8: ERROR: missing iounmap; ioremap on line 1106 and execution via conditional on line 1111
It took some staring but I don't think there is a problem because the
file global `mbus_state` is passed mvebu_mbus_common_init() as the
`mbus` parameter so `mbus_state.mbuswins_base` and `mbus->mbuswins_base`
are the same thing. But this is confusing for anyone reading the code
and one less complaint from coccicheck would be nice so lets fix it.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
drivers/net/can/dev.c
b552766c87 ("can: dev: prevent potential information leak in can_fill_info()")
3e77f70e73 ("can: dev: move driver related infrastructure into separate subdir")
0a042c6ec9 ("can: dev: move netlink related code into seperate file")
Code move.
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
57ac4a31c4 ("net/mlx5e: Correctly handle changing the number of queues when the interface is down")
214baf2287 ("net/mlx5e: Support HTB offload")
Adjacent code changes
net/switchdev/switchdev.c
20776b465c ("net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP")
ffb68fc58e ("net: switchdev: remove the transaction structure from port object notifiers")
bae33f2b5a ("net: switchdev: remove the transaction structure from port attributes")
Transaction parameter gets dropped otherwise keep the fix.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The recent changes to switch SoCs to boot with ti-sysc interconnect
target module driver and genpd caused few regressions:
- The omap_prm reset driver needs to clear any reset bits deasserted by
the bootloader or kexec boot for the three reset bit cases. Otherwise
we can have an oops with accelerators starting to boot with potentially
unconfigured MMU for example
- Custom kernel configs are not automatically selecting simple-pm-bus
driver that we now need to probe interconnects so we need to select it
always
- We are not passing legacy platform data in auxdata with simple-pm-bus
like we do for simple-bus. We need to pass auxdata to simple-pm-bus so
it can pass it to of_platform_populate()
Then recent RCU changes started causing splats for cpuidle44xx that now
need RCU_NONIDLE added to the calls in several places
And then we have few device specific fixes:
- We need to remove legacy spi-cs-hig for gta04 display to work, and
set the gpio to active low
- Omap1 specific ohci-omap needs to call gpio_free()
- Droid4 needs to use padconf interrupt for the slider as the edge
gpio interrupts may be lost for deeper idle states
-----BEGIN PGP SIGNATURE-----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=KgUu
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.11/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.11-rc cycle
The recent changes to switch SoCs to boot with ti-sysc interconnect
target module driver and genpd caused few regressions:
- The omap_prm reset driver needs to clear any reset bits deasserted by
the bootloader or kexec boot for the three reset bit cases. Otherwise
we can have an oops with accelerators starting to boot with potentially
unconfigured MMU for example
- Custom kernel configs are not automatically selecting simple-pm-bus
driver that we now need to probe interconnects so we need to select it
always
- We are not passing legacy platform data in auxdata with simple-pm-bus
like we do for simple-bus. We need to pass auxdata to simple-pm-bus so
it can pass it to of_platform_populate()
Then recent RCU changes started causing splats for cpuidle44xx that now
need RCU_NONIDLE added to the calls in several places
And then we have few device specific fixes:
- We need to remove legacy spi-cs-hig for gta04 display to work, and
set the gpio to active low
- Omap1 specific ohci-omap needs to call gpio_free()
- Droid4 needs to use padconf interrupt for the slider as the edge
gpio interrupts may be lost for deeper idle states
* tag 'omap-for-v5.11/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
ARM: dts; gta04: SPI panel chip select is active low
soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1
ARM: OMAP1: OSK: fix ohci-omap breakage
DTS: ARM: gta04: remove legacy spi-cs-high to make display work again
Link: https://lore.kernel.org/r/pull-1611818709-243493@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add the autorescan sysfs in order to enable/disable the DPRC IRQs on
which automatic rescan of the bus is performed. This is important when
dynamic creation of objects is needed to happen in a timely manner because
object creation can be bundled together.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-6-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce the rescan attribute as a bus attribute to
synchronize the fsl-mc bus objects and the MC firmware.
To rescan the fsl-mc bus, e.g.,
echo 1 > /sys/bus/fsl-mc/rescan
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-5-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding userspace support for the MC (Management Complex) means exporting
an ioctl capable device file representing the root resource container.
This new functionality in the fsl-mc bus driver intends to provide
userspace applications an interface to interact with the MC firmware.
Commands that are composed in userspace are sent to the MC firmware
through the FSL_MC_SEND_MC_COMMAND ioctl. By default the implicit MC
I/O portal is used for this operation, but if the implicit one is busy,
a dynamic portal is allocated and then freed upon execution.
The command received through the ioctl interface is checked against a
known whitelist of accepted MC commands. Commands that attempt a change
in hardware configuration will need CAP_NET_ADMIN, while commands used
in debugging do not need it.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-4-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Export the mc_cmd_hdr_read_cmdid() function to the entire fsl-mc bus
since it will be needed in the following patch.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-3-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce mhi_get_free_desc_count() API to return number
of TREs available to queue buffer. MHI clients can use this
API to know before hand if ring is full without calling queue
API.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1610388462-16322-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Instead of duplicating queuing procedure in mhi_queue_dma(),
mhi_queue_buf() and mhi_queue_skb(), add a new generic mhi_queue()
as common helper.
Note that the unified mhi_queue align pm_lock locking on mhi_queue_buf
behavior, taking it with irqsave variant (vs _bh for former queue_skb
and queue_dma version).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If controller driver has specified the irq_flags, mhi uses this specified
irq_flags. Otherwise, mhi uses default irq_flags.
The purpose of this change is to support one MSI vector for QCA6390.
MHI will use one same MSI vector too in this scenario.
In case of one MSI vector, IRQ_NO_BALANCING is needed when irq handler
is requested. The reason is if irq migration happens, the msi_data may
change too. However, the msi_data is already programmed to QCA6390
hardware during initialization phase. This msi_data inconsistence will
result in crash in kernel.
Another issue is in case of one MSI vector, IRQF_NO_SUSPEND will trigger
WARNINGS because QCA6390 wants to disable the IRQ during the suspend.
To avoid above two issues, QCA6390 driver specifies the irq_flags in case
of one MSI vector when mhi_register_controller is called.
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
When a shared MSI vector must be used (e.g. when VTd is disabled on
x86_64), each event MSI vector must be set to the shared vector idx.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar<hemantk@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The ring element data, though being part of coherent memory, still need
to be performed before updating the ring context to point to this new
element. That can be guaranteed with a memory barrier (dma_wmb).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The c6x architecture was added to the kernel in 2011 at a time when
running Linux on DSPs was widely seen as the logical evolution.
It appears the trend has gone back to running Linux on Arm based SoCs
with DSP, using a better supported software ecosystem, and having better
real-time behavior for the DSP code. An example of this is TI's own
Keystone2 platform.
The upstream kernel port appears to no longer have any users. Mark
Salter remained avaialable to review patches, but mentioned that
he no longer has access to working hardware himself. Without any
users, it's best to just remove the code completely to reduce the
work for cross-architecture code changes.
Many thanks to Mark for maintaining the code for the past ten years.
Link: https://lore.kernel.org/lkml/41dc7795afda9f776d8cd0d3075f776cf586e97c.camel@redhat.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Every iteration of for_each_available_child_of_node() decrements
the reference count of the previous node, however when control is
transferred from the middle of the loop, as in the case of a return
or break or goto, there is no decrement thus ultimately resulting in
a memory leak.
Fix a potential memory leak in arm-integrator-lm.c by inserting
of_node_put() before a return statement.
Issue found with Coccinelle.
Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200829174154.GA9319@Kaladin
Link: https://lore.kernel.org/r/20210112092549.251548-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The driver core ignores the return value of struct device_driver::remove
because there is only little that can be done. To simplify the quest to
make this function return void, let struct sunxi_rsb_driver::remove
return void, too. All users already unconditionally return 0, this
commit makes this obvious and ensures future users don't behave
differently. To simplify even further, make axp20x_device_remove()
return void instead of returning 0 unconditionally, too.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
After converting am335x to probe devices with simple-pm-bus I noticed
that we are not passing auxdata for of_platform_populate() like we do
with simple-bus.
While device tree using SoCs should no longer need platform data, there
are still quite a few drivers that still need it as can be seen with
git grep OF_DEV_AUXDATA. We want to have simple-pm-bus be usable as a
replacement for simple-bus also for cases where OF_DEV_AUXDATA is still
needed.
Let's fix the issue by passing auxdata as platform data to simple-pm-bus.
That way the SoCs needing this can pass the auxdata with OF_DEV_AUXDATA.
And let's pass the auxdata for omaps to fix the issue for am335x.
As an alternative solution, adding simple-pm-bus handling directly to
drivers/of/platform.c was considered, but we would still need simple-pm-bus
device driver. So passing auxdata as platform data seems like the simplest
solution.
Fixes: 5a230524f8 ("ARM: dts: Use simple-pm-bus for genpd for am3 l4_wkup")
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The fsl_mc_get_endpoint() should return a pointer to the connected
fsl_mc device, if there is one. By interrogating the MC firmware, we
know if there is an endpoint or not so when the endpoint device is
actually searched on the fsl-mc bus and not found we are hitting the
case in which the device has not been yet discovered by the bus.
Return -EPROBE_DEFER so that callers can differentiate this case.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This pointer to an i/o register block is missing the __iomem attribute,
so add it. The issue was found by 0-day sparse run.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201216161015.29060-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Gate the clock to save power while the controller is idle.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Since system firmware is likely to use the RSB bus to communicate with a
PMIC while the system is suspended, we cannot make any assumptions about
the controller state after resuming. Thus it is important to completely
reinitialize the controller.
The RSB bus needs to be ready as soon as IRQs are enabled, to handle
wakeup event IRQs coming from the PMIC. Thus it uses NOIRQ callbacks.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This separates the resource acquisition from the hardware initialization
phase, so the hardware initialization can be repeated after system
suspend/resume. The same is done for the exit/remove function, except
that there is no resource deallocation phase due to the use of devres.
The requested RSB clock frequency is stored in `struct sunxi_rsb` so it
will be available when reinitializing the hardware.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
For some reason, this driver's OF match table was placed above the
probe/remove functions, far away from the platform_driver definition.
Adding device PM ops would move the table even farther away. Let's move
it to the usual place, right before the platform_driver.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
MHI hardware channels are usually the hardware accelerated data path
e.g. IP packets path for modems. This path needs to be optimized for
low latency and high throughput. After several tests on FN980m SDX55
based modem, it seems 1ms is a good default irq_moderation value:
- It allows to reach the maximum download throughput
- It introduces limited latency (5ms is too high)
- It prevents interrupt flooding
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support for Diag over MHI. Qualcomm Diag is the qualcomm
diagnostics interface that can be used to collect modem logs,
events, traces, etc. It can be used by tools such QPST or QXDM.
This patch adds the DIAG channels and a dedicated event ring.
Reviewed-by Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
On cold boot, device can take slightly more than 5 seconds to start.
Increase the timeout to prevent MHI power-up issues.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If the modem crashes for any reason, we may not be able to detect
it at MHI level (MHI registers not reachable anymore).
This patch implements a health-check mechanism to check regularly
that device is alive (MHI layer can communicate with). If device
is not alive (because a crash or unexpected reset), the recovery
procedure is triggered.
Tested successfully with Telit FN980m module.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
In AER capable root complex, errors are reported to the host which
can then act accordingly and perform PCI recovering procedure.
This patch enables error reporting and implements error_detected,
slot_reset and resume callbacks.
Reviewed-by Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support for system wide suspend/resume. During suspend, MHI
device controller must be put in M3 state and PCI bus in D3 state.
Add a recovery procedure allowing to reinitialize the device in case
of error during resume steps, which can happen if device loses power
(and so its context) while system suspend.
Reviewed-by Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Add support for resetting the device, reset can be triggered in case
of error or manually via sysfs (/sys/bus/pci/devices/*/reset).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Hardware channels have a feature called burst mode that allows to
queue transfer ring element(s) (TRE) to a channel without ringing
the device doorbell. In that mode, the device is polling the channel
context for new elements. This reduces the frequency of host initiated
doorbells and increase throughput.
Create a new dedicated macro for hardware channels with burst enabled.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If the IPA (IP hardware accelerator) is starved of event ring elements,
the modem is crashing (SDX55). That can be prevented by setting a
larger number of events (i.e 2 x number of channel ring elements).
Tested with FN980m module.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The MHI specification allows to perform a hard reset of the device
when writing to the SOC_RESET register. It can be used to completely
restart the device (e.g. in case of unrecoverable MHI error).
This is up to the MHI controller driver to determine when this hard
reset should be used, and in case of MHI errors, should be used as
a reset of last resort (after standard MHI stack reset).
This function is a stateless function, the MHI layer do nothing except
triggering the reset by writing into the right register(s), this is up
to the caller to ensure right mhi_controller state (e.g. unregister the
controller if necessary).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
There are a couple of subsystems maintained by other people that
merge their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control
and SoC identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660
and SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs.
There is a trivial conflict in the cedrus driver, with two branches
adding the same CEDRUS_CAPABILITY_H265_DEC flag, and another trivial
remove/remove conflict in linux/dma-mapping.h.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=BjJf
-----END PGP SIGNATURE-----
Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"There are a couple of subsystems maintained by other people that merge
their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power
domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC
identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and
SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs"
* tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits)
soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS
firmware: xilinx: Properly align function parameter
firmware: xilinx: Add a blank line after function declaration
firmware: xilinx: Remove additional newline
firmware: xilinx: Fix kernel-doc warnings
firmware: xlnx-zynqmp: fix compilation warning
soc: xilinx: vcu: add missing register NUM_CORE
soc: xilinx: vcu: use vcu-settings syscon registers
dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding
soc: xilinx: vcu: drop useless success message
clk: samsung: mark PM functions as __maybe_unused
soc: samsung: exynos-chipid: initialize later - with arch_initcall
soc: samsung: exynos-chipid: order list of SoCs by name
memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
memory: ti-emif-sram: only build for ARMv7
memory: tegra30: Support interconnect framework
memory: tegra20: Support hardware versioning and clean up OPP table initialization
dt-bindings: memory: tegra20-emc: Document opp-supported-hw property
soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
reset-controller: ti: force the write operation when assert or deassert
...
- enabled GCOV
- reworked setup of protection map
- added support for more MSCC platforms
- added sysfs boardinfo for Loongson64
- enabled KASLR for Loogson64
- added reset controller for BCM63xx
- cleanups and fixes
-----BEGIN PGP SIGNATURE-----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=0Sht
-----END PGP SIGNATURE-----
Merge tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- enable GCOV
- rework setup of protection map
- add support for more MSCC platforms
- add sysfs boardinfo for Loongson64
- enable KASLR for Loogson64
- add reset controller for BCM63xx
- cleanups and fixes
* tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (70 commits)
mips: fix Section mismatch in reference
MAINTAINERS: Add linux-mips mailing list to JZ47xx entries
MAINTAINERS: Remove JZ4780 DMA driver entry
MAINTAINERS: chenhc@lemote.com -> chenhuacai@kernel.org
MIPS: Octeon: irq: Alloc desc before configuring IRQ
MIPS: mm: Add back define for PAGE_SHARED
MIPS: Select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL to enable sysfs memblock debug
mips: lib: uncached: fix non-standard usage of variable 'sp'
MIPS: DTS: img: Fix schema warnings for pwm-leds
MIPS: KASLR: Avoid endless loop in sync_icache if synci_step is zero
MIPS: Move memblock_dump_all() to the end of setup_arch()
MIPS: SMP-CPS: Add support for irq migration when CPU offline
MIPS: OCTEON: Don't add kernel sections into memblock allocator
MIPS: Don't round up kernel sections size for memblock_add()
MIPS: Enable GCOV
MIPS: configs: drop unused BACKLIGHT_GENERIC option
MIPS: Loongson64: Fix up reserving kernel memory range
MIPS: mm: Remove unused is_aligned_hugepage_range
MIPS: No need to check CPU 0 in {loongson3,bmips,octeon}_cpu_disable()
mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
...
Here is the big char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be more
and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCX9iDZA8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ylRMACgqxKS2CUcY8tPnR5weHEsbz6O+KAAn3BtEFnK
7V9EnSuZe4L1jNOHOB5V
=xzHh
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be
more and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates"
* tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (305 commits)
extcon: max77693: Fix modalias string
extcon: fsa9480: Support TI TSU6111 variant
extcon: fsa9480: Rewrite bindings in YAML and extend
dt-bindings: extcon: add binding for TUSB320
extcon: Add driver for TI TUSB320
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
siox: Make remove callback return void
siox: Use bus_type functions for probe, remove and shutdown
spmi: Add driver shutdown support
spmi: fix some coding style issues at the spmi core
spmi: get rid of a warning when built with W=1
uio: uio_hv_generic: use devm_kzalloc() for private data alloc
uio: uio_fsl_elbc_gpcm: use device-managed allocators
uio: uio_aec: use devm_kzalloc() for uio_info object
uio: uio_cif: use devm_kzalloc() for uio_info object
uio: uio_netx: use devm_kzalloc() for or uio_info object
uio: uio_mf624: use devm_kzalloc() for uio_info object
uio: uio_sercos3: use device-managed functions for simple allocs
uio: uio_dmem_genirq: finalize conversion of probe to devm_ handlers
uio: uio_dmem_genirq: convert simple allocations to device-managed
...
Because the minimum supported DPRC version is 6.0, there is no need to
check for incompatible 6.x versions lower to the minimum one. Just
remove the second half of the check to simplify the logic.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20201123164839.1668409-1-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 197f4d6a4a ("staging: fsl-mc: fsl-mc object allocator driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1607068967-31991-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'type' and 'flags' fields were missing from dprc_rsp_get_obj_region
structure therefore the MC Bus driver was not receiving proper flags
from MC like DPRC_REGION_CACHEABLE.
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Cristian Sovaiala <cristian.sovaiala@freescale.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201124111200.1391-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some bootloaders might pause the MC firmware before starting the
kernel to ensure that MC will not cause faults as soon as SMMU
probes due to no configuration being in place for the firmware.
Make sure that MC is resumed at probe time as its SMMU setup should
be done by now.
Also included, a comment fix on how PL and BMT bits are packed in
the StreamID.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201105153050.19662-2-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A previous patch accidentally dropped an error check, so add it back.
Fixes: aef85b56c3 ("bus: fsl-mc: MC control registers are not always available")
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201105153050.19662-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iQEcBAABAgAGBQJfyTQyAAoJEG4XJFUm622bCdcIAIyVnqdW7pnoDmWIyQmAEnD9
vGARkzghPHXnufpOzohyDdxT12X9klhrxSVIgzEgH1/pl3i1PpnF6KXyGFCC44Lw
wrLXhQygPzmIW1IZtJJE3G72WExXoRjWx6LD1I7C7oEIduqFixXADmK2tKzFp795
Jxum+sOeT6+Dk1OvO/fIroBHX73mRE9zAuiTIMpt2G1j8uXs9QVfcTbTrUshLASN
0sX9J6JutltBuM4G7+bFpVzKnLnlQ7ebUaF6nvTCQsgHWZwkS7yAubSWX9sFohbR
UXgQHNE83s/esOg7nBxAfqTKP8mbxsobmxZtxE5GR5vFY5FJDxqP9Zc2KzPp39w=
=CbX/
-----END PGP SIGNATURE-----
Merge tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.11
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
* tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (180 commits)
wl1251: remove trailing semicolon in macro definition
airo: remove trailing semicolon in macro definition
wilc1000: added queue support for WMM
wilc1000: call complete() for failure in wilc_wlan_txq_add_cfg_pkt()
wilc1000: free resource in wilc_wlan_txq_add_mgmt_pkt() for failure path
wilc1000: free resource in wilc_wlan_txq_add_net_pkt() for failure path
wilc1000: added 'ndo_set_mac_address' callback support
brcmfmac: expose firmware config files through modinfo
wlcore: Switch to using the new API kobj_to_dev()
rtw88: coex: add feature to enhance HID coexistence performance
rtw88: coex: upgrade coexistence A2DP mechanism
rtw88: coex: add action for coexistence in hardware initial
rtw88: coex: add function to avoid cck lock
rtw88: coex: change the coexistence mechanism for WLAN connected
rtw88: coex: change the coexistence mechanism for HID
rtw88: coex: update AFH information while in free-run mode
rtw88: coex: update the mechanism for A2DP + PAN
rtw88: coex: add debug message
rtw88: coex: run coexistence when WLAN entering/leaving LPS
Revert "rtl8xxxu: Add Buffalo WI-U3-866D to list of supported devices"
...
====================
Link: https://lore.kernel.org/r/20201203185732.9CFA5C433ED@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Here is the MHI patch set for v5.11. Most of the patches are cleanups and fixes
but there are some noticeable changes too:
1. Loic finally removed the auto-start option from the channel parameters of the
MHI controller. It is the duty of the client drivers like qrtr to start/stop the
channels when required, so we decided to remove this option. As a side effect,
we changed the qrtr driver to start the channels during its probe and removed
the auto-start option from ath11k controller.
**NOTE** Since these changes spawns both MHI and networking trees, the patches
are maintained in an immutable branch [1] and pulled into both mhi-next and
ath11k-next branches. The networking patches got acks from ath11k and networking
maintainers as well.
2. Loic added a generic MHI pci controller driver. This driver will be used by
the PCI based Qualcomm modems like SDX55 and exposes channels such as QMI,
IP_HW0, IPCR etc...
3. Loic fixed the MHI device hierarchy by maintaining the correct parent child
relationships. Earlier all MHI devices lived in the same level under the parent
device like PCIe. But now, the MHI devices belonging to channels will become the
children of controller MHI device.
4. Finally Loic also improved the MHI device naming by using indexed names such
as mhi0, mhi1, etc... This will break the userspace applications depending on
the old naming convention but since the only one user so far is Jeff Hugo's AI
accelerator apps, we decided to make this change now itself with his agreement.
5. Bhaumik fixed the qrtr driver by stopping the channels during remove. This
patch also got ack from networking maintainer and we decided to take it through
MHI tree (via immutable branch) since we already had a qrtr change.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git/log/?h=mhi-ath11k-immutable
-----BEGIN PGP SIGNATURE-----
iQEzBAABCgAdFiEEZ6VDKoFIy9ikWCeXVZ8R5v6RzvUFAl/Hwn4ACgkQVZ8R5v6R
zvWCQQgAh7vbwjAvxmzk5OTkuenv9YRV8lYMNTt1zdnXt8k0navv2Tc2M4e6VKbS
WFGCSUCBUQ3wiQ8OZvXVrFMLRm6gramUZEQwn6db7PtcpSUZxoB6w6u/IK5BdD5H
mXUAmJhRP5AUZQ+rWRFpWNAOAzPs6GwfC57KdO44oMuTEyR7FfvNv2X5JaYCbOsM
XBL8aLHFTShdauQREECs3uovaQrBo1BNqMlC+YEdaRhO7ukit4WSeZoEFHS50YSD
nevEJ7R35Cq4s2MQ3gLU5ps5FvRLRoNN5pimy9LUWgq6W/BPGlA7mRIEtDQNu19H
YBlr6G+G/7tvycjxhIkwQ0axmbTrew==
=XZOV
-----END PGP SIGNATURE-----
Merge tag 'mhi-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI patches for v5.11
Here is the MHI patch set for v5.11. Most of the patches are cleanups and fixes
but there are some noticeable changes too:
1. Loic finally removed the auto-start option from the channel parameters of the
MHI controller. It is the duty of the client drivers like qrtr to start/stop the
channels when required, so we decided to remove this option. As a side effect,
we changed the qrtr driver to start the channels during its probe and removed
the auto-start option from ath11k controller.
**NOTE** Since these changes spawns both MHI and networking trees, the patches
are maintained in an immutable branch [1] and pulled into both mhi-next and
ath11k-next branches. The networking patches got acks from ath11k and networking
maintainers as well.
2. Loic added a generic MHI pci controller driver. This driver will be used by
the PCI based Qualcomm modems like SDX55 and exposes channels such as QMI,
IP_HW0, IPCR etc...
3. Loic fixed the MHI device hierarchy by maintaining the correct parent child
relationships. Earlier all MHI devices lived in the same level under the parent
device like PCIe. But now, the MHI devices belonging to channels will become the
children of controller MHI device.
4. Finally Loic also improved the MHI device naming by using indexed names such
as mhi0, mhi1, etc... This will break the userspace applications depending on
the old naming convention but since the only one user so far is Jeff Hugo's AI
accelerator apps, we decided to make this change now itself with his agreement.
5. Bhaumik fixed the qrtr driver by stopping the channels during remove. This
patch also got ack from networking maintainer and we decided to take it through
MHI tree (via immutable branch) since we already had a qrtr change.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git/log/?h=mhi-ath11k-immutable
* tag 'mhi-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi: (30 commits)
mhi: pci_generic: Fix implicit conversion warning
bus: mhi: core: Fix error handling in mhi_register_controller()
bus: mhi: core: Fix device hierarchy
bus: mhi: core: Indexed MHI controller name
net: qrtr: Unprepare MHI channels during remove
bus: mhi: core: Remove MHI event ring IRQ handlers when powering down
bus: mhi: core: Mark and maintain device states early on after power down
bus: mhi: core: Separate system error and power down handling
bus: mhi: core: Check for IRQ availability during registration
bus: mhi: core: Move to an error state on mission mode failure
bus: mhi: core: Use appropriate label in firmware load handler API
bus: mhi: core: Move to an error state on any firmware load failure
bus: mhi: core: Prevent sending multiple RDDM entry callbacks
bus: mhi: core: Move to SYS_ERROR regardless of RDDM capability
bus: mhi: core: Skip device wake in error or shutdown states
bus: mhi: core: Move to using high priority workqueue
bus: mhi: core: Use appropriate names for firmware load functions
bus: mhi: core: Skip RDDM download for unknown execution environment
bus: mhi: core: Rename RDDM download function to use proper words
bus: mhi: core: Remove unused mhi_fw_load_worker() declaration
...
There are a few problems with the error handling in this function. They
mostly center around the alloc_ordered_workqueue() allocation.
1) If that allocation fails or if the kcalloc() prior to it fails then
it leads to a NULL dereference when we call
destroy_workqueue(mhi_cntrl->hiprio_wq).
2) The error code is not set.
3) The "mhi_cntrl->mhi_cmd" allocation is not freed.
The error handling was slightly confusing and I re-ordered it to be in
the exact mirror/reverse order of how things were allocated. I changed
the label names to say what the goto does instead of describing where
the goto comes from.
Fixes: 8f70397876 ("bus: mhi: core: Move to using high priority workqueue")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This patch fixes the hierarchical structure of MHI devices. Indeed,
MHI client devices are directly 'enumerated' from the mhi controller
and therefore must be direct descendants/children of their mhi
controller device, in accordance with the Linux Device Model.
Today both MHI clients and controller devices are at the same level,
this patch ensures that MHI controller is parent of its client devices.
The hierarchy is especially important for power management (safe
suspend/resume order). It is also useful for userspace to determine
relationship between MHI client devices and controllers.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Today the MHI controller name is simply cloned from the underlying
bus device (its parent), that gives the following device structure
for e.g. a MHI/PCI controller:
devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:02:00.0
devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:02:00.0/0000:02:00.0_IPCR
...
That's quite misleading/confusing and can cause device registering
issues because of duplicate dev name (e.g. if a PCI device register
two different MHI instances).
This patch changes MHI core to create indexed mhi controller names
(mhi0, mhi1...) in the same way as other busses (i2c0, usb0...).
The previous example becomes:
devices/pci0000:00/0000:00:01.2/0000:02:00.0/mhi0
devices/pci0000:00/0000:00:01.2/0000:02:00.0/mhi0/mhi0_IPCR
...
v2: move index field at the end of mhi_controller struct (before bool)
to avoid breaking well packed alignment.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Trivial conflict in CAN, keep the net-next + the byteswap wrapper.
Conflicts:
drivers/net/can/usb/gs_usb.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
kfree(dev) has been called inside put_device so anther
kfree would cause a use-after-free bug/
Fixes: 8286ae0330 ("MIPS: Add CDMM bus support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
GP Timers used as clockevent/source are not available for ti-sysc bus and
handled by Kernel timekeeping core. Now ti-sysc produces error message
every time such timer is detected:
"ti-sysc: probe of 48040000.target-module failed with error -16"
Such messages are not necessary, so suppress them by returning -ENXIO
instead of -EBUSY.
Fixes: 6cfcd5563b ("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
While powering down, the device may or may not acknowledge an MHI
RESET issued by host for a graceful shutdown scenario and end up
sending an incoming data packet after tasklets have been killed.
If a rogue device sends this interrupt for a data transfer event
ring update, it can result in a tasklet getting scheduled while a
clean up is ongoing or has completed and cause access to freed
memory leading to a NULL pointer exception. Remove the interrupt
handlers for MHI event rings early on to avoid this scenario.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
mhi_power_down() does not ensure that the PM state is moved to an
inaccessible state soon enough as the system can encounter
scheduling delays till mhi_pm_disable_transition() gets called.
Additionally, if an MHI controller decides that the device is now
inaccessible and issues a power down, the register inaccessible
state is not maintained by moving from MHI_PM_LD_ERR_FATAL_DETECT
to MHI_PM_SHUTDOWN_PROCESS. This can result in bus errors if a
client driver attempted to read registers when powering down.
Close these gaps and avoid any race conditions to prevent such
activity.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Currently, there exist a set of if...else statements in the
mhi_pm_disable_transition() function which make handling system
error and disable transitions differently complex. To make that
cleaner and facilitate differences in behavior, separate these
two transitions for MHI host.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Current design allows a controller to register with MHI successfully
without the need to have any IRQs available for use. If no IRQs are
available, power up requests to MHI can fail after a successful
registration with MHI. Improve the design by checking for the number
of IRQs available sooner within the mhi_regsiter_controller() API as
it is required to be specified by the controller.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If the host receives a mission mode event and by the time it can get
to processing it, the register accesses fail implying a connectivity
error, MHI should move to an error state. This helps avoid longer wait
times from a synchronous power up perspective and accurately reflects
the MHI execution environment and power management states.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Correct the "error_read" label to say "error_ready_state" as that
is the appropriate usage of the label.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Move MHI to a firmware download error state for a failure to find
the firmware files or to load SBL or EBL image using BHI/BHIe. This
helps detect an error state sooner and shortens the wait for a
synchronous power up timeout.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If an mhi_power_down() is initiated after the device has entered
RDDM and a status callback was provided for it, it is possible
that another BHI interrupt fires while waiting for the MHI
RESET to be cleared. If that happens, MHI host would have moved
a "disabled" execution environment and the check to allow sending
an RDDM status callback will pass when it is should not. Add a
check to see if MHI is in an active state before proceeding.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
In some cases, the entry of device to RDDM execution environment
can occur after a significant amount of time has elapsed and a
SYS_ERROR state change event has already arrived. This can result
in scenarios where MHI controller and client drivers are unaware
of the error state of the device. Remove the check for rddm_image
when processing the SYS_ERROR state change as it is present in
mhi_pm_sys_err_handler() already and prevent further activity
until the expected RDDM execution environment change occurs or
the controller driver decides further action.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI client drivers can request a device wake even if the device
may be in an error state or undergoing a shutdown. To prevent
unnecessary device wake processing, check for the device state
and bail out early so that the clients are made aware of the
device state sooner.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
MHI work is currently scheduled on the global/system workqueue and can
encounter delays on a stressed system. To avoid those unforeseen
delays which can hamper bootup or shutdown times, use a dedicated high
priority workqueue instead of the global/system workqueue.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
mhi_fw_load_sbl() function is currently used to transfer SBL or EDL
images over BHI (Boot Host Interface). Same goes with mhi_fw_load_amss()
which uses BHIe. However, the contents of these functions do not
indicate support for a specific set of images. Since these can be used
for any image download over BHI or BHIe, rename them based on the
protocol used.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
If MHI is unable to determine the execution environment during
the panic path, host must skip the RDDM download. This can happen
if the BHI offset read or the BHI_EXECENV register read fails
indicating that the underlying transport is unresponsive. Hence,
there is no need to trigger an RDDM using SYSERR or request an
SOC reset.
Suggested-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
mhi_download_rddm_img() uses a shorter version of the word image.
Expand it and rename the function to mhi_download_rddm_image().
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The mhi_fw_load_worker() function no longer exists. Remove its
declaration as part of code clean-up.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The mhi_get_exec_env() APIs can be used by the controller drivers
to query the execution environment of the MHI device. Expose it
so it can be used in some scenarios to determine behavior of
controllers.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
There is an extra 'i' counter in the mhi_firmware_copy() function
which is unused. Remove it to clean-up code and reduce stack
space as well as improve efficiency of the function.
Fixes: cd457afb16 ("bus: mhi: core: Add support for downloading firmware over BHIe")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Some MHI device drivers need to stop the channels in their driver
remove callback (e.g. module unloading), but the unprepare function
is aborted because MHI core moved the channels to suspended state
prior calling driver remove callback. This prevents the driver to
send a proper MHI RESET CHAN command to the device. Device is then
unaware of the stopped state of these channels.
This causes issue when driver tries to start the channels again (e.g.
module is reloaded), since device considers channels as already
started (inconsistent state).
Fix this by allowing channel reset when channel is suspended.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Functions parse_ev_cfg() and parse_ch_cfg() access mhi_cntrl->mhi_dev
before it is set in function mhi_register_controller(),
use cntrl_dev instead of mhi_dev.
Fixes: 0cbf260820 ("bus: mhi: core: Add support for registering MHI controllers")
Signed-off-by: Carl Yin <carl.yin@quectel.com>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This is a generic MHI-over-PCI controller driver for MHI only devices
such as QCOM modems. For now it supports registering of Qualcomm SDX55
based PCIe modules. The MHI channels have been extracted from mhi
downstream driver.
This driver is for MHI-only devices which have all functionalities
exposed through MHI channels and accessed by the corresponding MHI
device drivers (no out-of-band communication).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: fixed up the Makefile rule]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The BHI_MSMHWID and BHI_OEMPKHASH macros take a value 'n' which is
a BHI register index. If 'n' is an expression rather than a simple
value, there can be an operator precedence issue which can result
in the incorrect calculation of the register offset. Adding
parentheses around the macro parameter can prevent such issues.
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
There is double acquisition of the pm_lock from mhi_driver_remove()
function. Remove the read_lock_bh/read_unlock_bh calls for pm_lock
taken during a call to mhi_device_put() as the lock is acquired
within the function already. This will help avoid a potential
kernel panic.
Fixes: 189ff97cca ("bus: mhi: core: Add support for data transfer")
Reported-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
There is really no point having an auto-start for channels.
This is confusing for the device drivers, some have to enable the
channels, others don't have... and waste resources (e.g. pre allocated
buffers) that may never be used.
This is really up to the MHI device(channel) driver to manage the state
of its channels.
While at it, let's also remove the auto-start option from ath11k mhi
controller.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: clubbed ath11k change]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
We need to enable no-reset-on-init quirk for GPMC if the config
option for CONFIG_OMAP_GPMC_DEBUG is set. Otherwise the GPMC
driver code is unable to show the bootloader configured timings.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some modules like MPU have a powerdomain and functional clock but not
necessarily any control registers. Let's allow configuring interconnect
target modules with no control registers.
Signed-off-by: Tony Lindgren <tony@atomide.com>
The rstctrl reset must be asserted after gating the module clock as
described in the TRM at least for IVA. Otherwise the rstctrl reset
done with module clock enabled can hang the system.
Note that this issue is has been only seen with related IVA changes
that we do not currently have merged. So probably no need to apply
this patch as a fix.
Signed-off-by: Tony Lindgren <tony@atomide.com>
This function can be used by client driver to determine whether it's
possible to queue new elements in a channel ring.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1604424234-24446-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bail out early from sysc_wait_softreset() just like we do in sysc_reset()
if there's no sysstatus srst_shift to fix a bogus resetdone warning on
enable as suggested by Grygorii Strashko <grygorii.strashko@ti.com>.
We do not currently handle resets for modules that need writing to the
sysstatus register. If we at some point add that, we also need to add
SYSS_QUIRK_RESETDONE_INVERTED flag for cpsw as the sysstatus bit is low
when reset is done as described in the am335x TRM "Table 14-202
SOFT_RESET Register Field Descriptions"
Fixes: d46f9fbec7 ("bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit")
Suggested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit d46f9fbec7 ("bus: ti-sysc: Use optional clocks on for enable and
wait for softreset bit") started showing a "OCP softreset timed out"
warning on enable if the interconnect target module is not out of reset.
This caused the warning to be often triggered for i2c and hdq while the
devices are working properly.
Turns out that some interconnect target modules seem to have an unusable
reset status bits unless the module specific reset quirks are activated.
Let's just skip the reset status check for those modules as we only want
to activate the reset quirks when doing a reset, and not on enable. This
way we don't see the bogus "OCP softreset timed out" warnings during boot.
Fixes: d46f9fbec7 ("bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Various driver updates for platforms. A bulk of this is smaller fixes or
cleanups, but some of the new material this time around is:
- Support for Nvidia Tegra234 SoC
- Ring accelerator support for TI AM65x
- PRUSS driver for TI platforms
- Renesas support for R-Car V3U SoC
- Reset support for Cortex-M4 processor on i.MX8MQ
There are also new socinfo entries for a handful of different SoCs
and platforms.
-----BEGIN PGP SIGNATURE-----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=tfPb
-----END PGP SIGNATURE-----
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms. A bulk of this is smaller fixes
or cleanups, but some of the new material this time around is:
- Support for Nvidia Tegra234 SoC
- Ring accelerator support for TI AM65x
- PRUSS driver for TI platforms
- Renesas support for R-Car V3U SoC
- Reset support for Cortex-M4 processor on i.MX8MQ
There are also new socinfo entries for a handful of different SoCs and
platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (131 commits)
drm/mediatek: reduce clear event
soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api
soc: mediatek: cmdq: add jump function
soc: mediatek: cmdq: add write_s_mask value function
soc: mediatek: cmdq: add write_s value function
soc: mediatek: cmdq: add read_s function
soc: mediatek: cmdq: add write_s_mask function
soc: mediatek: cmdq: add write_s function
soc: mediatek: cmdq: add address shift in jump
soc: mediatek: mtk-infracfg: Fix kerneldoc
soc: amlogic: pm-domains: use always-on flag
reset: sti: reset-syscfg: fix struct description warnings
reset: imx7: add the cm4 reset for i.MX8MQ
dt-bindings: reset: imx8mq: add m4 reset
reset: Fix and extend kerneldoc
reset: reset-zynqmp: Added support for Versal platform
dt-bindings: reset: Updated binding for Versal reset driver
reset: imx7: Support module build
soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk
soc: fsl: qman: convert to use be32_add_cpu()
...
Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCX4g8YQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yngKgCeNpArCP/9vQJRK9upnDm8ZLunSCUAn1wUT/2A
/bTQ42c/WRQ+LU828GSM
=6sO2
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (396 commits)
binder: fix UAF when releasing todo list
docs: w1: w1_therm: Fix broken xref, mistakes, clarify text
misc: Kconfig: fix a HISI_HIKEY_USB dependency
LSM: Fix type of id parameter in kernel_post_load_data prototype
misc: Kconfig: add a new dependency for HISI_HIKEY_USB
firmware_loader: fix a kernel-doc markup
w1: w1_therm: make w1_poll_completion static
binder: simplify the return expression of binder_mmap
test_firmware: Test partial read support
firmware: Add request_partial_firmware_into_buf()
firmware: Store opt_flags in fw_priv
fs/kernel_file_read: Add "offset" arg for partial reads
IMA: Add support for file reads without contents
LSM: Add "contents" flag to kernel_read_file hook
module: Call security_kernel_post_load_data()
firmware_loader: Use security_post_load_data()
LSM: Introduce kernel_post_load_data() hook
fs/kernel_read_file: Add file_size output argument
fs/kernel_read_file: Switch buffer size arg to size_t
fs/kernel_read_file: Remove redundant size argument
...
There are several occurrences of the following pattern:
for_each_memblock(memory, reg) {
start = __pfn_to_phys(memblock_region_memory_base_pfn(reg);
end = __pfn_to_phys(memblock_region_memory_end_pfn(reg));
/* do something with start and end */
}
Using for_each_mem_range() iterator is more appropriate in such cases and
allows simpler and cleaner code.
[akpm@linux-foundation.org: fix arch/arm/mm/pmsa-v7.c build]
[rppt@linux.ibm.com: mips: fix cavium-octeon build caused by memblock refactoring]
Link: http://lkml.kernel.org/r/20200827124549.GD167163@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Emil Renner Berthing <kernel@esmil.dk>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20200818151634.14343-13-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The region size reported by the firmware for mc and software
portals was less than allocated by the hardware. This may be
problematic when mmapping the region in user space because the
region size is less than page size. However the size as reserved
by the hardware is 64K.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-14-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In virtual machines the device-id range is defined
between 0x10000-0x20000. The reason for using such a
large range is to avoid overlapping with the PCI range.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-13-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The IRQ pool handling functions can be used by both DPRC
driver and VFIO. Adapt and export those functions.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-12-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Before destroying the mc_io, check first that it was
allocated.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-11-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Both DPRC driver and VFIO driver use the same initialization code
for the DPRC. Introduced a new function which groups this
initialization code. The function is exported and may be
used by VFIO as well.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-10-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Create and export a cleanup function for DPRC. The function
is used by the DPRC driver, but it will be used by the VFIO
driver as well.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-9-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently the DPRC scan function is used only by the bus driver.
But the same functionality will be needed by the VFIO driver.
To support this, the dprc scan function was exported and a little
bit adjusted to fit both scenarios. Also the scan mutex initialization
is done when the bus object is created, not in dprc_probe in order
to be used by both VFIO and bus driver.
Similarily dprc_remove_devices is exported to be used by VFIO.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-8-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are already firmware API commands that have multiple
versions. For each multiple version command, another command
to retrieve the API version is issued. This may introduce an important
overhead. The version does not change while the system is running,
so the DPRC API version can be safely cached.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-6-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The QMAN region is memory mapped, so it should be of type
IORESOURCE_MEM. The region flags bits were wrongly used to
pass additional information. Use the bus specific bits for
this purpose.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-5-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch is required for vfio-fsl-mc meta driver to successfully bind
layerscape container devices for device passthrough. This patch adds
a mechanism to allow a layerscape device to specify a driver rather than
a layerscape driver provide a device match.
Example to allow a device (dprc.1) to specifically bind
with driver (vfio-fsl-mc):-
- echo vfio-fsl-mc > /sys/bus/fsl-mc/devices/dprc.1/driver_override
- echo dprc.1 > /sys/bus/fsl-mc/drivers/fsl_mc_dprc/unbind
- echo dprc.1 > /sys/bus/fsl-mc/drivers/vfio-fsl-mc/bind
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-4-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Prepare the dprc_scan_objects function to be used by
the VFIO mc driver code. The function is used to scan the mc
objects by the bus driver. The same functionality is
needed by the VFIO mc driver, but in this case the
interrupt configuration is delayed until the userspace
configures the interrupts. In order to use the same function
in both drivers add a new parameter.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-3-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The total number of interrupts is only used for some checks
outside the dprc_scan_objects function. Furthermore, in some
situations the check is made twice. Move the bounds check inside
the function for all situations.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-2-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As per the device tree binding, in certain scenarios such as
virtualization scenarios, the MC control registers are not
available so don't error out if they are not present.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200914105459.27448-2-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are certain scenarios where an iommu is not present, e.g.
booting in a VM. Let's support these scenarios by dropping the
check.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200914105459.27448-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Kbuild rule to build MHI should use the append operator. This fixes
the below warning reported by Kbuild test bot.
WARNING: modpost: missing MODULE_LICENSE() in
drivers/bus/mhi/core/main.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/bus/mhi/core/pm.o
WARNING: modpost: missing MODULE_LICENSE() in
drivers/bus/mhi/core/boot.o
Fixes: 0cbf260820 ("bus: mhi: core: Add support for registering MHI controllers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-19-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no requirement for using a dedicated IRQ per event ring.
Some systems does not support multiple MSI vectors (e.g. intel
without CONFIG_IRQ_REMAP), In that case the MHI controller can
configure all the event rings to use the same interrupt (as fallback).
Allow this by removing the nr_irqs = ev_ring test and add extra check
in the irq_setup function.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-17-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce sysfs entries to enable userspace clients the ability to read
the serial number and the OEM PK Hash values obtained from BHI. OEMs
need to read these device-specific hardware information values through
userspace for factory testing purposes and cannot be exposed via degbufs
as it may remain disabled for performance reasons. Also, update the
documentation for ABI to include these entries.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: used dev_groups to manage sysfs attributes]
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-16-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce debugfs entries to show state, register, channel, device,
and event rings information. Allow the host to dump registers,
issue device wake, and change the MHI timeout to help in debug.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-15-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kconfig coding style mandates use of tabs for the configuration
definition and an additional two spaces for the help text. Make the
required changes to the MHI Kconfig adhering to those guidelines.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-14-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MHI channel, event and controller config data needs to be
treated read only information. Add const qualifier to make
sure config information passed by MHI controller is not
modified by MHI core driver.
Suggested-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-12-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Client devices should use the APIs provided to allocate and free
the MHI controller structure. This will help ensure that the
structure is zero-initialized and there are no false positives
with respect to reading any values such as the serial number or
the OEM PK hash.
Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-11-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Device hardware specific information such as serial number and the OEM
PK hash can be read using BHI and saved on host to identify the
endpoint.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-10-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use counters to track MHI device state transitions such as those
to M0, M2, or M3 states. This can help in better debug, allowing
the user to see the number of transitions to a certain MHI state
when queried using debugfs entries or via other mechanisms.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-9-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce a helper function to determine whether the device is in a
powered ON state and resides in one of the active MHI states. This will
allow for some use cases where access can be pre-determined.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-8-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
An MHI device is not necessarily associated with only channels as we can
have one associated with the controller itself. Hence, the chan_name
field within the mhi_device structure should instead be replaced with a
generic name to accurately reflect any type of MHI device.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-7-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It is possible that the host may be suspending or suspended and may
not allow an outgoing device wake assert immediately if a client has
requested for it. Ensure that the host wakes up and allows for it so
the client does not have to wait for an external trigger or an
outgoing packet to be queued for the host resume to occur.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-6-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Autonomous low power mode support requires the MHI host to resume from
multiple places and post a wakeup source to exit system suspend. This
needs to be done in a non-blocking manner. Introduce a helper API to
trigger the host resume for data transfers and other non-blocking use
cases while supporting implementation of autonomous low power modes.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the missing check to abort suspends if a client driver has pending
outgoing packets to send to the device. This allows better utilization
of the MHI bus wherein clients on the host are not left waiting for
longer suspend or resume cycles to finish for data transfers.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
GISB breakpoint interrupts can be raised when a breakpoint has been
enabled to match a specific master and/or GISB register address. Being
able to print a message, similar to those done during target abort or
timeout greatly helps debug systems.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Do not print the full function name (brcmstb_gisb_arb_decode_addr) which
is quite long, and reduces our chances to printing a full line, instead
just use "GISB: " as a prefix for these prints.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
- improvements for Loongson64
- extended ingenic support
- removal of not maintained paravirt system type
- cleanups and fixes
-----BEGIN PGP SIGNATURE-----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=I/vU
-----END PGP SIGNATURE-----
Merge tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS upates from Thomas Bogendoerfer:
- improvements for Loongson64
- extended ingenic support
- removal of not maintained paravirt system type
- cleanups and fixes
* tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (81 commits)
MIPS: SGI-IP27: always enable NUMA in Kconfig
MAINTAINERS: Update KVM/MIPS maintainers
MIPS: Update default config file for Loongson-3
MIPS: KVM: Add kvm guest support for Loongson-3
dt-bindings: mips: Document Loongson kvm guest board
MIPS: handle Loongson-specific GSExc exception
MIPS: add definitions for Loongson-specific CP0.Diag1 register
MIPS: only register FTLBPar exception handler for supported models
MIPS: ingenic: Hardcode mem size for qi,lb60 board
MIPS: DTS: ingenic/qi,lb60: Add model and memory node
MIPS: ingenic: Use fw_passed_dtb even if CONFIG_BUILTIN_DTB
MIPS: head.S: Init fw_passed_dtb to builtin DTB
of: address: Fix parser address/size cells initialization
of_address: Guard of_bus_pci_get_flags with CONFIG_PCI
MIPS: DTS: Fix number of msi vectors for Loongson64G
MIPS: Loongson64: Add ISA node for LS7A PCH
MIPS: Loongson64: DTS: Fix ISA and PCI I/O ranges for RS780E PCH
MIPS: Loongson64: Enlarge IO_SPACE_LIMIT
MIPS: Loongson64: Process ISA Node in DeviceTree
of_address: Add bus type match for pci ranges parser
...
Here is the large set of char and misc and other driver subsystem
patches for 5.9-rc1. Lots of new driver submissions in here, and
cleanups and features for existing drivers.
Highlights are:
- habanalabs driver updates
- coresight driver updates
- nvmem driver updates
- huge number of "W=1" build warning cleanups from Lee Jones
- dyndbg updates
- virtbox driver fixes and updates
- soundwire driver updates
- mei driver updates
- phy driver updates
- fpga driver updates
- lots of smaller individual misc/char driver cleanups and fixes
Full details are in the shortlog.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXylccQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ymofgCfZ1CxNWd0ZVM0YIn8cY9gO6ON7MsAnRq48hvn
Vjf4rKM73GC11bVF4Gyy
=Xq1R
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char and misc and other driver subsystem
patches for 5.9-rc1. Lots of new driver submissions in here, and
cleanups and features for existing drivers.
Highlights are:
- habanalabs driver updates
- coresight driver updates
- nvmem driver updates
- huge number of "W=1" build warning cleanups from Lee Jones
- dyndbg updates
- virtbox driver fixes and updates
- soundwire driver updates
- mei driver updates
- phy driver updates
- fpga driver updates
- lots of smaller individual misc/char driver cleanups and fixes
Full details are in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits)
habanalabs: remove unused but set variable 'ctx_asid'
nvmem: qcom-spmi-sdam: Enable multiple devices
dt-bindings: nvmem: SID: add binding for A100's SID controller
nvmem: update Kconfig description
nvmem: qfprom: Add fuse blowing support
dt-bindings: nvmem: Add properties needed for blowing fuses
dt-bindings: nvmem: qfprom: Convert to yaml
nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances
nvmem: core: add support to auto devid
nvmem: core: Add nvmem_cell_read_u8()
nvmem: core: Grammar fixes for help text
nvmem: sc27xx: add sc2730 efuse support
nvmem: Enforce nvmem stride in the sysfs interface
MAINTAINERS: Add git tree for NVMEM FRAMEWORK
nvmem: sprd: Fix return value of sprd_efuse_probe()
drivers: android: Fix the SPDX comment style
drivers: android: Fix a variable declaration coding style issue
drivers: android: Remove braces for a single statement if-else block
drivers: android: Remove the use of else after return
drivers: android: Fix a variable declaration coding style issue
...
As usual, there are many patches addressing minor issues in existing
DTS files, such as DTC warnings, or adding support for additional
peripherals.
There are three added SoCs in existing product families:
- Amazon:
Alpine v3 is a 16-core Cortex-A72 SoC from Amazon's Annapurna Labs,
otherwise known as AL73400 or first-generation Graviton, and following
the already supported Cortex-A1`5 and Cortex-A57 based Alpine chips.
This one is added together with the official Evaluation platform.
- Qualcomm:
The Snapdragon SDM630 platform is a family of mid-range mobile phone
chips from 2017 based on Cortex-A53 or Kryo 260 CPUs.
A total of five end-user products are added based on these, all
Android phones from Sony: Xperia 10, 10 Plus, XA2, XA2 Plus and
XA2 Ultra.
- Renesas:
RZ/G2H (r8a774e1) is currently the top model in the Renesas RZ/G
family, and apparently closely related to the RZ/G2N and RZ/G2M
models we already support but has a faster GPU and additional
on-chip peripherals.
It is added along with the HopeRun HiHope RZ/G2H development board
A small number of new boards for already supported SoCs also debut:
- Allwinner sunxi:
Only one new machine, revision v1.2 of the Pine64 PinePhone
(non-Android) smartphone, containing minor changes compared to
earlier versions.
- Amlogic Meson:
WeTek Core2 is an Amlogic S912 (GXM) based Set-top-box
- Aspeed:
EthanolX is AMD's EPYC data center rerence platform, using an
ASpeed AST2600 baseboard management controller.
- Mediatek:
Lenovo IdeaPad Duet 10.1" (kukui/krane) is a new Chromebook
based on the MT8183 (Helio P60t) SoC.
- Nvidia Tegra:
ASUS Google Nexus 7 and Acer Iconia Tab A500 are two Android
tablets from around 2012 using Tegra 3 and Tegra 2, respectively.
Thanks to PostmarketOS, these can now run mainline kernels
and become useful again.
The Jetson Xavier NX Developer Kit uses a SoM and carrier board
for the Tegra194, their latest 64-bit chip based on Carmel CPU
cores and Volta graphics.
- NXP i.MX:
Five new boards based on the 32-bit i.MX6 series are added:
The MYiR MYS-6ULX single-board computer, and four different
models of industrial computers from Protonic.
- Qualcomm:
MikroTik RouterBoard 3011 is a rackmounted router based on the
32-bit IPQ8064 networking SoC
Three older phones get added, the Snapdragon 808 (msm8992) based
Xiaomi Libra (Mi 4C) and Microsoft Lumia 950, originally running
Windows Phone, and the Snapdragon 810 (msm8994) based Sony
Xperia Z5.
- Renesas:
In addition to the HiHope RZ/G2H board mentioned above, we gain
support for board versions 3.0 and 4.0 of the earlier RZ/G2M and
RZ/G2N reference boards.
Beacon EmbeddedWorks adds another SoM+Carrier development board
for RZ/G2M.
- Rockchips:
Radxa Rock Pi N8 development board and the VMARC RK3288 SoM it
is based on, using the high-end 32-bit rk3288 SoC.
Notable updates to existing platforms are usually for added on-chip
peripherals, including:
- ASpeed AST2xxx (various)
- Allwinner (cpufreq, thermal, Pinephone touchscreen)
- Amlogic Meson (audio, gpu dvdfs, board updates)
- Arm Versatile
- Broadcom (board updates for switch ports, Raspberry pi clock updates)
- Hisilicon (various)
- Intel/Altera SoCFPGA (various)
- Marvell Armada 7xxx/8xxx (smmu)
- Marvell MMP (GPU on mmp2/mmp3)
- Mediatek mt8183 (USB, pericfg)
- NXP Layerscape (VPU, thermal, DSPI)
- NXP i.MX (VPU, bindings, board updates)
- Nvidia Tegra194 (GPU)
- Qualcomm (GPU, Interconnect, ...)
- Renesas R-Car (SPI, IPMMU, board updates)
- STMicroelectronics STM32 (various)
- Samsung Exynos (various)
- Socionext Uniphier (updates to serial, and pcie)
- TI K3 (serdes, usb3, audio, sd, chipid)
- TI OMAP (IPU/DSP remoteproc changes, dropping platform data)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=Tpj3
-----END PGP SIGNATURE-----
Merge tag 'arm-dt-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC DT updates from Arnd Bergmann:
"As usual, there are many patches addressing minor issues in existing
DTS files, such as DTC warnings, or adding support for additional
peripherals.
There are three added SoCs in existing product families:
- Amazon:
Alpine v3 is a 16-core Cortex-A72 SoC from Amazon's Annapurna Labs,
otherwise known as AL73400 or first-generation Graviton, and
following the already supported Cortex-A1`5 and Cortex-A57 based
Alpine chips. This one is added together with the official
Evaluation platform.
- Qualcomm:
The Snapdragon SDM630 platform is a family of mid-range mobile
phone chips from 2017 based on Cortex-A53 or Kryo 260 CPUs. A total
of five end-user products are added based on these, all Android
phones from Sony: Xperia 10, 10 Plus, XA2, XA2 Plus and XA2 Ultra.
- Renesas:
RZ/G2H (r8a774e1) is currently the top model in the Renesas RZ/G
family, and apparently closely related to the RZ/G2N and RZ/G2M
models we already support but has a faster GPU and additional
on-chip peripherals. It is added along with the HopeRun HiHope
RZ/G2H development board
A small number of new boards for already supported SoCs also debut:
- Allwinner sunxi:
Only one new machine, revision v1.2 of the Pine64 PinePhone
(non-Android) smartphone, containing minor changes compared to
earlier versions.
- Amlogic Meson:
WeTek Core2 is an Amlogic S912 (GXM) based Set-top-box
- Aspeed:
EthanolX is AMD's EPYC data center rerence platform, using an
ASpeed AST2600 baseboard management controller.
- Mediatek:
Lenovo IdeaPad Duet 10.1" (kukui/krane) is a new Chromebook based
on the MT8183 (Helio P60t) SoC.
- Nvidia Tegra:
ASUS Google Nexus 7 and Acer Iconia Tab A500 are two Android
tablets from around 2012 using Tegra 3 and Tegra 2, respectively.
Thanks to PostmarketOS, these can now run mainline kernels and
become useful again.
The Jetson Xavier NX Developer Kit uses a SoM and carrier board for
the Tegra194, their latest 64-bit chip based on Carmel CPU cores
and Volta graphics.
- NXP i.MX:
Five new boards based on the 32-bit i.MX6 series are added: The
MYiR MYS-6ULX single-board computer, and four different models of
industrial computers from Protonic.
- Qualcomm:
MikroTik RouterBoard 3011 is a rackmounted router based on the
32-bit IPQ8064 networking SoC
Three older phones get added, the Snapdragon 808 (msm8992) based
Xiaomi Libra (Mi 4C) and Microsoft Lumia 950, originally running
Windows Phone, and the Snapdragon 810 (msm8994) based Sony Xperia
Z5.
- Renesas:
In addition to the HiHope RZ/G2H board mentioned above, we gain
support for board versions 3.0 and 4.0 of the earlier RZ/G2M and
RZ/G2N reference boards. Beacon EmbeddedWorks adds another
SoM+Carrier development board for RZ/G2M.
- Rockchips:
Radxa Rock Pi N8 development board and the VMARC RK3288 SoM it is
based on, using the high-end 32-bit rk3288 SoC.
Notable updates to existing platforms are usually for added on-chip
peripherals, including:
- ASpeed AST2xxx (various)
- Allwinner (cpufreq, thermal, Pinephone touchscreen)
- Amlogic Meson (audio, gpu dvdfs, board updates)
- Arm Versatile
- Broadcom (board updates for switch ports, Raspberry pi clock updates)
- Hisilicon (various)
- Intel/Altera SoCFPGA (various)
- Marvell Armada 7xxx/8xxx (smmu)
- Marvell MMP (GPU on mmp2/mmp3)
- Mediatek mt8183 (USB, pericfg)
- NXP Layerscape (VPU, thermal, DSPI)
- NXP i.MX (VPU, bindings, board updates)
- Nvidia Tegra194 (GPU)
- Qualcomm (GPU, Interconnect, ...)
- Renesas R-Car (SPI, IPMMU, board updates)
- STMicroelectronics STM32 (various)
- Samsung Exynos (various)
- Socionext Uniphier (updates to serial, and pcie)
- TI K3 (serdes, usb3, audio, sd, chipid)
- TI OMAP (IPU/DSP remoteproc changes, dropping platform data)"
* tag 'arm-dt-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (605 commits)
arm64: dts: meson: odroid-n2: add jack audio output support
arm64: dts: meson: odroid-n2: enable audio loopback
ARM: dts: berlin: Align L2 cache-controller nodename with dtschema
arm64: dts: qcom: Add Microsoft Lumia 950 (Talkman) device tree
arm64: dts: qcom: Add Xiaomi Libra (Mi 4C) device tree
arm64: dts: qcom: msm8992: Add RPMCC node
arm64: dts: qcom: msm8992: Add PSCI support.
arm64: dts: qcom: msm8992: Add PMU node
arm64: dts: qcom: msm8992: Add BLSP2_UART2 and I2C nodes
arm64: dts: qcom: msm8992: Add SPMI PMIC arbiter device
arm64: dts: qcom: msm8992: Add a SCM node
arm64: dts: qcom: msm8992: Add a proper CPU map
arm64: dts: qcom: bullhead: Move UART pinctrl to SoC
arm64: dts: qcom: bullhead: Add qcom,msm-id
arm64: dts: qcom: msm8992: Fix SDHCI1
arm64: dts: qcom: msm8992: Modernize the DTS style
arm64: dts: qcom: Add support for Sony Xperia Z5 (SoMC Sumire-RoW)
arm64: dts: qcom: Move msm8994-smd-rpm contents to lg-bullhead.
arm64: dts: qcom: msm8994: Add support for SMD RPM
arm64: dts: qcom: msm8992: Add a label to rpm-requests
...
- Removal of the tremendously unpopular read_barrier_depends() barrier,
which is a NOP on all architectures apart from Alpha, in favour of
allowing architectures to override READ_ONCE() and do whatever dance
they need to do to ensure address dependencies provide LOAD ->
LOAD/STORE ordering. This work also offers a potential solution if
compilers are shown to convert LOAD -> LOAD address dependencies into
control dependencies (e.g. under LTO), as weakly ordered architectures
will effectively be able to upgrade READ_ONCE() to smp_load_acquire().
The latter case is not used yet, but will be discussed further at LPC.
- Make the MSI/IOMMU input/output ID translation PCI agnostic, augment
the MSI/IOMMU ACPI/OF ID mapping APIs to accept an input ID
bus-specific parameter and apply the resulting changes to the device
ID space provided by the Freescale FSL bus.
- arm64 support for TLBI range operations and translation table level
hints (part of the ARMv8.4 architecture version).
- Time namespace support for arm64.
- Export the virtual and physical address sizes in vmcoreinfo for
makedumpfile and crash utilities.
- CPU feature handling cleanups and checks for programmer errors
(overlapping bit-fields).
- ACPI updates for arm64: disallow AML accesses to EFI code regions and
kernel memory.
- perf updates for arm64.
- Miscellaneous fixes and cleanups, most notably PLT counting
optimisation for module loading, recordmcount fix to ignore
relocations other than R_AARCH64_CALL26, CMA areas reserved for
gigantic pages on 16K and 64K configurations.
- Trivial typos, duplicate words.
-----BEGIN PGP SIGNATURE-----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=mh79
-----END PGP SIGNATURE-----
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 and cross-arch updates from Catalin Marinas:
"Here's a slightly wider-spread set of updates for 5.9.
Going outside the usual arch/arm64/ area is the removal of
read_barrier_depends() series from Will and the MSI/IOMMU ID
translation series from Lorenzo.
The notable arm64 updates include ARMv8.4 TLBI range operations and
translation level hint, time namespace support, and perf.
Summary:
- Removal of the tremendously unpopular read_barrier_depends()
barrier, which is a NOP on all architectures apart from Alpha, in
favour of allowing architectures to override READ_ONCE() and do
whatever dance they need to do to ensure address dependencies
provide LOAD -> LOAD/STORE ordering.
This work also offers a potential solution if compilers are shown
to convert LOAD -> LOAD address dependencies into control
dependencies (e.g. under LTO), as weakly ordered architectures will
effectively be able to upgrade READ_ONCE() to smp_load_acquire().
The latter case is not used yet, but will be discussed further at
LPC.
- Make the MSI/IOMMU input/output ID translation PCI agnostic,
augment the MSI/IOMMU ACPI/OF ID mapping APIs to accept an input ID
bus-specific parameter and apply the resulting changes to the
device ID space provided by the Freescale FSL bus.
- arm64 support for TLBI range operations and translation table level
hints (part of the ARMv8.4 architecture version).
- Time namespace support for arm64.
- Export the virtual and physical address sizes in vmcoreinfo for
makedumpfile and crash utilities.
- CPU feature handling cleanups and checks for programmer errors
(overlapping bit-fields).
- ACPI updates for arm64: disallow AML accesses to EFI code regions
and kernel memory.
- perf updates for arm64.
- Miscellaneous fixes and cleanups, most notably PLT counting
optimisation for module loading, recordmcount fix to ignore
relocations other than R_AARCH64_CALL26, CMA areas reserved for
gigantic pages on 16K and 64K configurations.
- Trivial typos, duplicate words"
Link: http://lkml.kernel.org/r/20200710165203.31284-1-will@kernel.org
Link: http://lkml.kernel.org/r/20200619082013.13661-1-lorenzo.pieralisi@arm.com
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (82 commits)
arm64: use IRQ_STACK_SIZE instead of THREAD_SIZE for irq stack
arm64/mm: save memory access in check_and_switch_context() fast switch path
arm64: sigcontext.h: delete duplicated word
arm64: ptrace.h: delete duplicated word
arm64: pgtable-hwdef.h: delete duplicated words
bus: fsl-mc: Add ACPI support for fsl-mc
bus/fsl-mc: Refactor the MSI domain creation in the DPRC driver
of/irq: Make of_msi_map_rid() PCI bus agnostic
of/irq: make of_msi_map_get_device_domain() bus agnostic
dt-bindings: arm: fsl: Add msi-map device-tree binding for fsl-mc bus
of/device: Add input id to of_dma_configure()
of/iommu: Make of_map_rid() PCI agnostic
ACPI/IORT: Add an input ID to acpi_dma_configure()
ACPI/IORT: Remove useless PCI bus walk
ACPI/IORT: Make iort_msi_map_rid() PCI agnostic
ACPI/IORT: Make iort_get_device_domain IRQ domain agnostic
ACPI/IORT: Make iort_match_node_callback walk the ACPI namespace for NC
arm64: enable time namespace support
arm64/vdso: Restrict splitting VVAR VMA
arm64/vdso: Handle faults on timens page
...
Add ACPI support in the fsl-mc driver. Driver parses MC DSDT table to
extract memory and other resources.
Interrupt (GIC ITS) information is extracted from the MADT table
by drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c.
IORT table is parsed to configure DMA.
Signed-off-by: Makarand Pawagi <makarand.pawagi@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200619082013.13661-13-lorenzo.pieralisi@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The DPRC driver is not taking into account the msi-map property
and assumes that the icid is the same as the stream ID. Although
this assumption is correct, generalize the code to include a
translation between icid and streamID.
Furthermore do not just copy the MSI domain from parent (for child
containers), but use the information provided by the msi-map property.
If the msi-map property is missing from the device tree retain the old
behaviour for backward compatibility ie the child DPRC objects
inherit the MSI domain from the parent.
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200619082013.13661-12-lorenzo.pieralisi@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Devices sitting on proprietary busses have a device ID space that
is owned by the respective bus and related firmware bindings. In order
to let the generic OF layer handle the input translations to
an IOMMU id, for such busses the current of_dma_configure() interface
should be extended in order to allow the bus layer to provide the
device input id parameter - that is retrieved/assigned in bus
specific code and firmware.
Augment of_dma_configure() to add an optional input_id parameter,
leaving current functionality unchanged.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200619082013.13661-8-lorenzo.pieralisi@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=7P/h
-----END PGP SIGNATURE-----
Merge tag 'timers-urgent-2020-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into master
Pull timer fix from Ingo Molnar:
"Fix a suspend/resume regression (crash) on TI AM3/AM4 SoC's"
* tag 'timers-urgent-2020-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4
Because the DPNIs are probed before DPMCPs and other objects that need
to be allocated, messages like "No more resources of type X left" are
printed by the fsl-mc bus driver. This patch resolves the issue by probing
the allocatable objects first and then any other object that may use
them.
Signed-off-by: Grigore Popescu <grigore.popescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200717154800.17169-4-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the spinlock that serializes the MC commands with a raw
spinlock. This is needed for the RT kernel because there are MC
commands sent in interrupt context.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200717154800.17169-3-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The MC bus has different types of devices that can be discovered on the
bus. Add the missing device types.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200717154800.17169-2-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Carlos Hernandez <ceh@ti.com> reported that we now have a suspend and
resume regresssion on am3 and am4 compared to the earlier kernels. While
suspend and resume works with v5.8-rc3, we now get errors with rtcwake:
pm33xx pm33xx: PM: Could not transition all powerdomains to target state
...
rtcwake: write error
This is because we now fail to idle the system timer clocks that the
idle code checks and the error gets propagated to the rtcwake.
Turns out there are several issues that need to be fixed:
1. Ignore no-idle and no-reset configured timers for the ti-sysc
interconnect target driver as otherwise it will keep the system timer
clocks enabled
2. Toggle the system timer functional clock for suspend for am3 and am4
(but not for clocksource on am3)
3. Only reconfigure type1 timers in dmtimer_systimer_disable()
4. Use of_machine_is_compatible() instead of of_device_is_compatible()
for checking the SoC type
Fixes: 52762fbd1c ("clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support")
Reported-by: Carlos Hernandez <ceh@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Carlos Hernandez <ceh@ti.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200713162601.6829-1-tony@atomide.com
CDMM may be available not only on MIPS R2 architectures, but also on
newer MIPS R5 chips. For instance our P5600 chip has one. Let's mark
the CDMM bus being supported for that MIPS arch too.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Since having and mapping the CDMM block is platform specific, then
instead of just returning a zero-address, lets make the default CDMM
base address search method (mips_cdmm_phys_base()) to do something
useful. For instance to find the address in a dedicated dtb-node in
order to support of-based platforms by default.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Similar to what we have for the legacy platform data, we need to
configure SWSUP_SIDLE and SWSUP_MSTANDBY quirks for usb_host_hs.
These are needed to drop the legacy platform data for usb_host_hs.
Signed-off-by: Tony Lindgren <tony@atomide.com>
If we have "ti,no-idle" specified for a module we must not disable
the the module on suspend to keep things backwards compatible.
Fixes: 386cb76681 ("bus: ti-sysc: Handle missed no-idle property in addition to no-idle-on-init")
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With CONFIG_DEBUG_ATOMIC_SLEEP enabled we can see the following with RTC probe:
BUG: sleeping function called from invalid context at drivers/bus/ti-sysc.c:1736
...
(sysc_quirk_rtc) from [<c060d01c>] (sysc_write_sysconfig+0x1c/0x60)
(sysc_write_sysconfig) from [<c060d9f4>] (sysc_enable_module+0x11c/0x274)
(sysc_enable_module) from [<c060f37c>] (sysc_probe+0xe9c/0x1380)
(sysc_probe) from [<c06e9384>] (platform_drv_probe+0x48/0x98)
Fixes: e8639e1c98 ("bus: ti-sysc: Handle module unlock quirk needed for some RTC")
Signed-off-by: Tony Lindgren <tony@atomide.com>
With CONFIG_DEBUG_ATOMIC_SLEEP enabled we can see the following with
wakeirqs and serial console idled:
BUG: sleeping function called from invalid context at drivers/bus/ti-sysc.c:242
...
(sysc_wait_softreset) from [<c0606894>] (sysc_enable_module+0x48/0x274)
(sysc_enable_module) from [<c0606c5c>] (sysc_runtime_resume+0x19c/0x1d8)
(sysc_runtime_resume) from [<c0606cf0>] (sysc_child_runtime_resume+0x58/0x84)
(sysc_child_runtime_resume) from [<c06eb7bc>] (__rpm_callback+0x30/0x12c)
(__rpm_callback) from [<c06eb8d8>] (rpm_callback+0x20/0x80)
(rpm_callback) from [<c06eb434>] (rpm_resume+0x638/0x7fc)
(rpm_resume) from [<c06eb658>] (__pm_runtime_resume+0x60/0x9c)
(__pm_runtime_resume) from [<c06edc08>] (handle_threaded_wake_irq+0x24/0x60)
(handle_threaded_wake_irq) from [<c01befec>] (irq_thread_fn+0x1c/0x78)
(irq_thread_fn) from [<c01bf30c>] (irq_thread+0x140/0x26c)
We have __pm_runtime_resume() call the sysc_runtime_resume() with spinlock
held and interrupts disabled.
Fixes: d46f9fbec7 ("bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit")
Signed-off-by: Tony Lindgren <tony@atomide.com>
The recent display subsystem (DSS) related platform data changes caused
display related regressions for suspend and resume. Looks like I only
tested suspend and resume before dropping the legacy platform data, and
forgot to test it after dropping it. Turns out the main issue was that
we no longer have platform code calling pm_runtime_suspend for DSS like
we did for the legacy platform data case, and that fix is still being
discussed on the dri-devel list and will get merged separately. The DSS
related testing exposed a pile other other display related issues that
also need fixing though:
- Fix ti-sysc optional clock handling and reset status checks
for devices that reset automatically in idle like DSS
- Ignore ti-sysc clockactivity bit unless separately requested
to avoid unexpected performance issues
- Init ti-sysc framedonetv_irq to true and disable for am4
- Avoid duplicate DSS reset for legacy mode with dts data
- Remove LCD timings for am4 as they cause warnings now that we're
using generic panels
Then there is a pile of other fixes not related to the DSS:
- Fix omap_prm reset deassert as we still have drivers setting the
pm_runtime_irq_safe() flag
- Flush posted write for ti-sysc enable and disable
- Fix droid4 spi related errors with spi flags
- Fix am335x USB range and a typo for softreset
- Fix dra7 timer nodes for clocks for IPU and DSP
- Drop duplicate mailboxes after mismerge for dra7
-----BEGIN PGP SIGNATURE-----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=fT9A
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.8/fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.8
The recent display subsystem (DSS) related platform data changes caused
display related regressions for suspend and resume. Looks like I only
tested suspend and resume before dropping the legacy platform data, and
forgot to test it after dropping it. Turns out the main issue was that
we no longer have platform code calling pm_runtime_suspend for DSS like
we did for the legacy platform data case, and that fix is still being
discussed on the dri-devel list and will get merged separately. The DSS
related testing exposed a pile other other display related issues that
also need fixing though:
- Fix ti-sysc optional clock handling and reset status checks
for devices that reset automatically in idle like DSS
- Ignore ti-sysc clockactivity bit unless separately requested
to avoid unexpected performance issues
- Init ti-sysc framedonetv_irq to true and disable for am4
- Avoid duplicate DSS reset for legacy mode with dts data
- Remove LCD timings for am4 as they cause warnings now that we're
using generic panels
Then there is a pile of other fixes not related to the DSS:
- Fix omap_prm reset deassert as we still have drivers setting the
pm_runtime_irq_safe() flag
- Flush posted write for ti-sysc enable and disable
- Fix droid4 spi related errors with spi flags
- Fix am335x USB range and a typo for softreset
- Fix dra7 timer nodes for clocks for IPU and DSP
- Drop duplicate mailboxes after mismerge for dra7
* tag 'omap-for-v5.8/fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
Revert "bus: ti-sysc: Increase max softreset wait"
ARM: dts: am437x-epos-evm: remove lcd timings
ARM: dts: am437x-gp-evm: remove lcd timings
ARM: dts: am437x-sk-evm: remove lcd timings
ARM: dts: dra7-evm-common: Fix duplicate mailbox nodes
ARM: dts: dra7: Fix timer nodes properly for timer_sys_ck clocks
ARM: dts: Fix am33xx.dtsi ti,sysc-mask wrong softreset flag
ARM: dts: Fix am33xx.dtsi USB ranges length
bus: ti-sysc: Increase max softreset wait
ARM: OMAP2+: Fix legacy mode dss_reset
bus: ti-sysc: Fix uninitialized framedonetv_irq
bus: ti-sysc: Ignore clockactivity unless specified as a quirk
bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit
ARM: dts: omap4-droid4: Fix spi configuration and increase rate
bus: ti-sysc: Flush posted write on enable and disable
soc: ti: omap-prm: use atomic iopoll instead of sleeping one
Link: https://lore.kernel.org/r/pull-1591889257-410830@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reverts commit 636338d796.
This patch is not a proper fixes the i2c2 timeouts are still
happening in some cases.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXtzkHw8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yldOwCgus/DgpnI1UL4z+NdBxJrAXtkPmgAn2sgTUea
i5RblCmcVMqvHaGtYkY+
=tScN
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
habanalabs: correctly cast u64 to void*
habanalabs: initialize variable to default value
extcon: arizona: Fix runtime PM imbalance on error
extcon: max14577: Add proper dt-compatible strings
extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
extcon: remove redundant assignment to variable idx
w1: omap-hdq: print dev_err if irq flags are not cleared
w1: omap-hdq: fix interrupt handling which did show spurious timeouts
w1: omap-hdq: fix return value to be -1 if there is a timeout
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
/dev/mem: Revoke mappings when a driver claims the region
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
misc: xilinx-sdfec: improve get_user_pages_fast() error handling
nvmem: qfprom: remove incorrect write support
habanalabs: handle MMU cache invalidation timeout
habanalabs: don't allow hard reset with open processes
habanalabs: GAUDI does not support soft-reset
habanalabs: add print for soft reset due to event
habanalabs: improve MMU cache invalidation code
...
These are updates to SoC specific drivers that did not have
another subsystem maintainer tree to go through for some
reason:
- Some bus and memory drivers for the MIPS P5600 based
Baikal-T1 SoC that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3,
Qualcomm MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas
RZ/G1H, and Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC
as a transport.
- Mediatek platforms now use a new driver for their "MMSYS"
hardware block that controls clocks and some other aspects
in behalf of the media and gpu drivers.
- Some Tegra processors have improved power management
support, including getting woken up by the PMIC and cluster
power down during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon,
Mediatek, and Tegra.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=44Jc
-----END PGP SIGNATURE-----
Merge tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM/SoC driver updates from Arnd Bergmann:
"These are updates to SoC specific drivers that did not have another
subsystem maintainer tree to go through for some reason:
- Some bus and memory drivers for the MIPS P5600 based Baikal-T1 SoC
that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3, Qualcomm
MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas RZ/G1H, and
Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC as a
transport.
- Mediatek platforms now use a new driver for their "MMSYS" hardware
block that controls clocks and some other aspects in behalf of the
media and gpu drivers.
- Some Tegra processors have improved power management support,
including getting woken up by the PMIC and cluster power down
during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon, Mediatek, and
Tegra"
* tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (155 commits)
clk: sprd: fix compile-testing
bus: bt1-axi: Build the driver into the kernel
bus: bt1-apb: Build the driver into the kernel
bus: bt1-axi: Use sysfs_streq instead of strncmp
bus: bt1-axi: Optimize the return points in the driver
bus: bt1-apb: Use sysfs_streq instead of strncmp
bus: bt1-apb: Use PTR_ERR_OR_ZERO to return from request-regs method
bus: bt1-apb: Fix show/store callback identations
bus: bt1-apb: Include linux/io.h
dt-bindings: memory: Add Baikal-T1 L2-cache Control Block binding
memory: Add Baikal-T1 L2-cache Control Block driver
bus: Add Baikal-T1 APB-bus driver
bus: Add Baikal-T1 AXI-bus driver
dt-bindings: bus: Add Baikal-T1 APB-bus binding
dt-bindings: bus: Add Baikal-T1 AXI-bus binding
staging: tegra-video: fix V4L2 dependency
tee: fix crypto select
drivers: soc: ti: knav_qmss_queue: Make knav_gp_range_ops static
soc: ti: add k3 platforms chipid module driver
dt-bindings: soc: ti: add binding for k3 platforms chipid module
...
One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already supported
in arch/arm64. The platform may also be extended to support running
32-bit kernels on those 64-bit chips for memory-constrained machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or R8A7742,
an eight-core chip based on Cortex-A15 and Cortex-A7 cores, originally
released in 2016 as one of the last high-end 32-bit designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater effort
for the Android OS to have a common kernel binary for all platforms and
any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining.
All device drivers specific to those boards can now get removed as
well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-----BEGIN PGP SIGNATURE-----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=gzCp
-----END PGP SIGNATURE-----
Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already
supported in arch/arm64. The platform may also be extended to support
running 32-bit kernels on those 64-bit chips for memory-constrained
machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or
R8A7742, an eight-core chip based on Cortex-A15 and Cortex-A7 cores,
originally released in 2016 as one of the last high-end 32-bit
designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater
effort for the Android OS to have a common kernel binary for all
platforms and any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining. All
device drivers specific to those boards can now get removed as well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options"
* tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (94 commits)
ARM: omap2: fix omap5_realtime_timer_init definition
ARM: zynq: Don't select CONFIG_ICST
ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE
ARM: davinci: fix build failure without I2C
power: reset: vexpress: fix build issue
power: vexpress: cleanup: use builtin_platform_driver
power: vexpress: add suppress_bind_attrs to true
Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
MAINTAINERS: pxa: remove Compulab arm/pxa support
ARM: pxa: remove Compulab pxa2xx boards
bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()
soc: imx: move cpu code to drivers/soc/imx
ARM: imx: move cpu definitions into a header
ARM: imx: use device_initcall for imx_soc_device_init
ARM: imx: pcm037: make pcm970_sja1000_platform_data static
bus: ti-sysc: Timers no longer need legacy quirk handling
ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
ARM: dts: Configure system timers for omap2
ARM: dts: Configure system timers for ti81xx
...
Otherwise we can get "OCP softreset timed out" warnings occasionally
at least for i2c2 on omap4 now that we check the OCP softreset completed
bit on enable.
Reported-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are currently only setting the framedonetv_irq disabled for the SoCs
that don't have it. But we are never setting it enabled for the SoCs that
have it. Let's initialized it to true by default.
Fixes: 7324a7a0d5 ("bus: ti-sysc: Implement display subsystem reset quirk")
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We must ignore the clockactivity bit for most modules and not set it
unless specified for the module with SYSC_QUIRK_USE_CLOCKACT. Otherwise
the interface clock can be automatically gated constantly causing
unexpected performance issues.
Fixes: ae9ae12e9d ("bus: ti-sysc: Handle clockactivity for enable and disable")
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some modules reset automatically when idled, and when re-enabled, we must
wait for the automatic OCP softreset to complete. And if optional clocks
are configured, we need to keep the clocks on while waiting for the reset
to complete.
Let's fix the issue by moving the OCP softreset code to a separate
function sysc_wait_softreset(), and call it also from sysc_enable_module()
with the optional clocks enabled.
This is based on what we're already doing for legacy platform data booting
in _enable_sysc().
Fixes: 7324a7a0d5 ("bus: ti-sysc: Implement display subsystem reset quirk")
Reported-by: Faiz Abbas <faiz_abbas@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Looks like we're missing flush of posted write after module enable and
disable. I've seen occasional errors accessing various modules, and it
is suspected that the lack of posted writes can also cause random reboots.
The errors we can see are similar to the one below from spi for example:
44000000.ocp:L3 Custom Error: MASTER MPU TARGET L4CFG (Read): Data Access
in User mode during Functional access
...
mcspi_wait_for_reg_bit
omap2_mcspi_transfer_one
spi_transfer_one_message
...
We also want to also flush posted write for disable. The clkctrl clock
disable happens after module disable, and we don't want to have the
module potentially stay active while we're trying to disable the clock.
Fixes: d59b60564c ("bus: ti-sysc: Add generic enable/disable functions")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Alas the method trigger_all_cpu_backtrace() isn't exported by the
kernel, but we need to have it called in case of the bus errors detected
to get a better description of a possible cause of the error. Let's
disable the ability to build the driver as a loadable kernel module then.
Note In future the driver will support the AXI-bus interconnect capability,
so we'd have to make it built into the kernel anyway.
Link: https://lore.kernel.org/r/20200528193113.17372-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Seeing trigger_all_cpu_backtrace() isn't exported from the kernel and
since calling it is a very important part of driver, which may provide
a better description of a possible cause of the error, let's disable the
ability to build the driver as a loadable kernel module.
Link: https://lore.kernel.org/r/20200528193113.17372-1-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is a ready-to-use method to compare a retrieved from a sysfs node
string with another string. It treats both NUL and newline-then-NUL as
equivalent string terminations. So use it instead of manually truncating
the line length in the strncmp() method.
Link: https://lore.kernel.org/r/20200528145050.5203-6-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It's better to have a single return statement where it's applicable
instead of returning from a conditional statement if-clause. Let's
do this in the request registers, clock and IRQ methods.
Link: https://lore.kernel.org/r/20200528145050.5203-5-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is a ready-to-use method to compare a retrieved from a sysfs node
string with another string. It treats both NUL and newline-then-NUL as
equivalent string terminations. So use it instead of manually truncating
the line length in the strncmp() method.
Link: https://lore.kernel.org/r/20200528145050.5203-4-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Indeed it's more optimal to use the PTR_ERR_OR_ZERO() macro there instead
of having two return points.
Link: https://lore.kernel.org/r/20200528145050.5203-3-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
After fixing the sysfs calback return value the functions argumnets
identations have been left as before the fix. That made the
argments declarations being unaligned with respect to the space
surrounded by the parentheses.
Link: https://lore.kernel.org/r/20200528145050.5203-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It must be included since we are using readl() method here.
Link: https://lore.kernel.org/r/20200528145050.5203-1-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs.
IO requests are routed to this bus by means of the DW AMBA 3 AXI
Interconnect. In case if an attempted APB transaction stays with no
response for a pre-defined time an interrupt occurs and the bus gets
freed for a next operation. This driver provides the interrupt handler
to detect the erroneous address, prints an error message about the
address fault, updates an errors counter. The counter and the APB-bus
operations timeout can be accessed via corresponding sysfs nodes.
A dedicated sysfs-node can be also used to artificially cause the
bus errors described above.
[arnd: fix build warnings for missing includes and wrong return types]
Link: https://lore.kernel.org/r/20200526125928.17096-6-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: soc@kernel.org
Cc: devicetree@vger.kernel.org
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
AXI3-bus is the main communication bus connecting all high-speed
peripheral IP-cores with RAM controller and MIPS P5600 cores on Baikal-T1
SoC. Bus traffic arbitration is done by means of DW AMBA 3 AXI
Interconnect (so called AXI Main Interconnect) routing IO requests from
one SoC block to another. This driver provides a way to detect any bus
protocol errors and device not responding situations by means of an
embedded on top of the interconnect errors handler block (EHB). AXI
Interconnect QoS arbitration tuning is currently unsupported.
The bus doesn't provide a way to detect the interconnected devices,
so they are supposed to be statically defined like by means of the
simple-bus sub-nodes.
[arnd: fix build warnings for missing includes and wrong return types]
Link: https://lore.kernel.org/r/20200526125928.17096-5-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: soc@kernel.org
Cc: devicetree@vger.kernel.org
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This series of changes finally gets the legacy omap dual-mode timer and
32k counter system timer updated to use drivers/clocksource and device
tree data. And we can now remove the unused legacy platform data.
These changes are based on an immutable clocksource branch set up by
Daniel Lezcano.
-----BEGIN PGP SIGNATURE-----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=07SB
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v5.8/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc
System timer changes for omaps for v5.8 merge window
This series of changes finally gets the legacy omap dual-mode timer and
32k counter system timer updated to use drivers/clocksource and device
tree data. And we can now remove the unused legacy platform data.
These changes are based on an immutable clocksource branch set up by
Daniel Lezcano.
* tag 'omap-for-v5.8/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Timers no longer need legacy quirk handling
ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
ARM: dts: Configure system timers for omap2
ARM: dts: Configure system timers for ti81xx
ARM: dts: Configure system timers for omap3
ARM: dts: Configure system timers for omap5 and dra7
ARM: dts: Configure system timers for omap4
ARM: dts: Configure system timers for am437x
ARM: dts: Configure system timers for am335x
ARM: OMAP2+: Add omap_init_time_of()
bus: ti-sysc: Ignore timer12 on secure omap3
clk: ti: dm816: enable sysclk6_ck on init
clocksource/drivers/timer-ti-dm: Fix warning for set but not used
clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support
clocksource/drivers/timer-ti-32k: Add support for initializing directly
Link: https://lore.kernel.org/r/pull-1590169577-735045@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The MHI device may be in the syserr state when we attempt to init it in
power_up(). Since we have no local state, the handling is simple -
reset the device and wait for it to transition out of the reset state.
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-15-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Take write lock only to protect db_mode member of mhi channel.
This allows rest of the mhi channels to just take read lock which
fine grains the locking. It prevents channel readers to starve if
they try to enter critical section after a writer.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-14-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Devices that support RDDM do not require processing SYS_ERROR as it is
deemed redundant. Avoid SYS_ERROR processing if RDDM is supported by
the device.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-13-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver continues handling of BHI interrupt even if MHI register access
is not allowed. By doing so it calls the status call back and performs
early notification for the MHI client. This is not needed when MHI
register access is not allowed. Hence skip the handling in this case and
return. Also add debug log to print device state, local EE and device EE
when reg access is valid.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-12-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mission mode transition is handled by state worker thread but
power off is not. There is a possibility while mission mode
transition is in progress which calls MHI client driver probe,
power off is issued by MHI controller. This results into client
driver probe and remove running in parallel and causes use after
free situation. By queuing disable transition work when mission
mode is in progress prevents the race condition.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-11-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the system error worker thread and instead have the
execution environment worker handle that transition to serialize
processing and avoid any possible race conditions during
shutdown.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-10-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
While writing any sequence or session identifiers, it is possible that
the host could write a zero value, whereas only non-zero values should
be supported writes to those registers. Ensure that the host does not
write a non-zero value for them and also log them in debug messages. A
macro is introduced to simplify this check and the existing checks are
also converted to use this macro.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-9-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When loading AMSS firmware using BHIe protocol, return -ETIMEDOUT if no
response is received within the timeout or return -EIO in case of a
protocol returned failure or an MHI error state.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-7-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Upon power up, driver queues firmware worker thread if the execution
environment is PBL. Firmware worker is blocked with a timeout until
state worker gets a chance to run and unblock firmware worker. An
endpoint power up failure can be seen if state worker gets a chance to
run after firmware worker has timed out. Remove this dependency and
handle firmware load directly using state worker thread.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-6-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When MHI Driver receives an EOT event, it reads xfer_len from the
event in the last TRE. The value is under control of the MHI device
and never validated by Host MHI driver. The value should never be
larger than the real size of the buffer but a malicious device can
set the value 0xFFFF as maximum. This causes driver to memory
overflow (both read or write). Fix this issue by reading minimum of
transfer length from event and the buffer length provided.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MHI data completion handler function reads channel id from event
ring element. Value is under the control of MHI devices and can be
any value between 0 and 255. In order to prevent out of bound access
add a bound check against the max channel supported by controller
and skip processing of that event ring element.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver is using zero initialized intmod value from mhi channel when
configuring TRE for bei field. This prevents interrupt moderation to
take effect in case it is supported by an event ring. Fix this by
copying intmod value from associated event ring to mhi channel upon
registering mhi controller.
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move all the common code to generate TRE from mhi_queue_buf,
mhi_queue_dma and mhi_queue_skb to mhi_gen_tre. This helps
to centralize the TRE generation code which makes any future
bug fixing easier to manage in these APIs.
Suggested-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200521170249.21795-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As timers no longer need legacy quirk handling, let's move them to
the CONFIG_DEBUG section to make it easier to see which drivers still
need more work.
Let's also add detection for few more older timer revisions while at
it as that makes CONFIG_DEBUG output easier to read with proper names.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some early omap3 boards use timer12 for system timer, but for secure
SoCs like on n900 it's not accessible. Likely we will be configuring
unavailable devices for other SoCs too based on runtime SoC detection,
so let's use a switch to start with.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This series enables building various Versatile Express platform drivers
as modules. The primary target is the Fast Model FVP which is supported
in Android. As Android is moving towards their GKI, or generic kernel,
the hardware support has to be in modules. Currently ARCH_VEXPRESS
enables several built-in only drivers. Some of these are needed, but
some are only needed for older 32-bit VExpress platforms and can just
be disabled.
-----BEGIN PGP SIGNATURE-----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=c5eS
-----END PGP SIGNATURE-----
Merge tag 'vexpress-modules-for-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into arm/soc
VExpress modularization
This series enables building various Versatile Express platform drivers
as modules. The primary target is the Fast Model FVP which is supported
in Android. As Android is moving towards their GKI, or generic kernel,
the hardware support has to be in modules. Currently ARCH_VEXPRESS
enables several built-in only drivers. Some of these are needed, but
some are only needed for older 32-bit VExpress platforms and can just
be disabled.
* tag 'vexpress-modules-for-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
ARM: vexpress: Don't select VEXPRESS_CONFIG
bus: vexpress-config: Support building as module
vexpress: Move setting master site to vexpress-config bus
bus: vexpress-config: simplify config bus probing
bus: vexpress-config: Merge vexpress-syscfg into vexpress-config
mfd: vexpress-sysreg: Support building as a module
mfd: vexpress-sysreg: Use devres API variants
mfd: vexpress-sysreg: Drop unused syscon child devices
mfd: vexpress-sysreg: Drop selecting CONFIG_CLKSRC_MMIO
clk: vexpress-osc: Support building as a module
clk: vexpress-osc: Use the devres clock API variants
clk: versatile: Only enable SP810 on 32-bit by default
clk: versatile: Rework kconfig structure
amba: Retry adding deferred devices at late_initcall
arm64: vexpress: Don't select CONFIG_POWER_RESET_VEXPRESS
ARM: vexpress: Move vexpress_flags_set() into arch code
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fix to return negative error code from the error handling case
instead of 0 in mhi_init_dev_ctxt() and mhi_driver_probe().
Fixes: 3000f85b8f ("bus: mhi: core: Add support for basic PM operations")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200509075654.175002-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
