[ Upstream commit c337125b88 ]
We can get "failed to disable" clock_unprepare warnings on unbind at least
for the serial console device if the unbind is done before the device has
been idled.
As some devices are using deferred idle, we must check the status for
pending idle work to idle the device.
Fixes: 76f0f772e4 ("bus: ti-sysc: Improve handling for no-reset-on-init and no-idle-on-init")
Cc: Romain Naour <romain.naour@smile.fr>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220512053021.61650-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a12315d6d2 ]
On beagleboard revisions A to B4 we need to use gpt12 as the system timer.
However, the quirk handling added for gpt12 caused a regression for system
suspend for am335x as the PM coprocessor needs the timers idled for
suspend.
Let's make the gpt12 quirk specific to omap34xx, other SoCs don't need
it. Beagleboard revisions C and later no longer need to use the gpt12
related quirk. Then at some point, if we decide to drop support for the old
beagleboard revisions A to B4, we can also drop the gpt12 related quirks
completely.
Fixes: 3ff340e24c ("bus: ti-sysc: Fix gpt12 system timer issue with reserved status")
Reported-by: Kevin Hilman <khilman@baylibre.com>
Suggested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
These are all the driver updates for SoC specific drivers. There
are a couple of subsystems with individual maintainers picking up
their patches here:
- The reset controller subsystem add support for a few new SoC
variants to existing drivers, along with other minor improvements
- The OP-TEE subsystem gets a driver for the ARM FF-A transport
- The memory controller subsystem has improvements for Tegra,
Mediatek, Renesas, Freescale and Broadcom specific drivers.
- The tegra cpuidle driver changes get merged through this
tree this time. There are only minor changes, but they depend
on other tegra driver updates here.
- The ep93xx platform finally moves to using the drivers/clk/
subsystem, moving the code out of arch/arm in the process.
This depends on a small sound driver change that is included
here as well.
- There are some minor updates for Qualcomm and Tegra specific
firmware drivers.
The other driver updates are mainly for drivers/soc, which contains
a mixture of vendor specific drivers that don't really fit elsewhere:
- Mediatek drivers gain more support for MT8192, with new support for
hw-mutex and mmsys routing, plus support for reset lines in the
mmsys driver.
- Qualcomm gains a new "sleep stats" driver, and support for
the "Generic Packet Router" in the APR driver.
- There is a new user interface for routing the UARTS on ASpeed
BMCs, something that apparently nobody else has needed so far.
- More drivers can now be built as loadable modules, in particular
for Broadcom and Samsung platforms.
- Lots of improvements to the TI sysc driver for better suspend/resume
support
Finally, there are lots of minor cleanups and new device IDs for
amlogic, renesas, tegra, qualcomm, mediateka, samsung, imx, layerscape,
allwinner, broadcom, and omap.
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Merge tag 'drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are all the driver updates for SoC specific drivers. There are a
couple of subsystems with individual maintainers picking up their
patches here:
- The reset controller subsystem add support for a few new SoC
variants to existing drivers, along with other minor improvements
- The OP-TEE subsystem gets a driver for the ARM FF-A transport
- The memory controller subsystem has improvements for Tegra,
Mediatek, Renesas, Freescale and Broadcom specific drivers.
- The tegra cpuidle driver changes get merged through this tree this
time. There are only minor changes, but they depend on other tegra
driver updates here.
- The ep93xx platform finally moves to using the drivers/clk/
subsystem, moving the code out of arch/arm in the process. This
depends on a small sound driver change that is included here as
well.
- There are some minor updates for Qualcomm and Tegra specific
firmware drivers.
The other driver updates are mainly for drivers/soc, which contains a
mixture of vendor specific drivers that don't really fit elsewhere:
- Mediatek drivers gain more support for MT8192, with new support for
hw-mutex and mmsys routing, plus support for reset lines in the
mmsys driver.
- Qualcomm gains a new "sleep stats" driver, and support for the
"Generic Packet Router" in the APR driver.
- There is a new user interface for routing the UARTS on ASpeed BMCs,
something that apparently nobody else has needed so far.
- More drivers can now be built as loadable modules, in particular
for Broadcom and Samsung platforms.
- Lots of improvements to the TI sysc driver for better
suspend/resume support"
Finally, there are lots of minor cleanups and new device IDs for
amlogic, renesas, tegra, qualcomm, mediateka, samsung, imx,
layerscape, allwinner, broadcom, and omap"
* tag 'drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (179 commits)
optee: Fix spelling mistake "reclain" -> "reclaim"
Revert "firmware: qcom: scm: Add support for MC boot address API"
qcom: spm: allow compile-testing
firmware: arm_ffa: Remove unused 'compat_version' variable
soc: samsung: exynos-chipid: add exynosautov9 SoC support
firmware: qcom: scm: Don't break compile test on non-ARM platforms
soc: qcom: smp2p: Add of_node_put() before goto
soc: qcom: apr: Add of_node_put() before return
soc: qcom: qcom_stats: Fix client votes offset
soc: qcom: rpmhpd: fix sm8350_mxc's peer domain
dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
ARM: qcom: Add qcom,msm8916-smp enable-method identical to MSM8226
firmware: qcom: scm: Add support for MC boot address API
soc: qcom: spm: Add 8916 SPM register data
dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
soc: qcom: socinfo: Add PM8150C and SMB2351 models
firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available()
soc: aspeed: Add UART routing support
soc: fsl: dpio: rename the enqueue descriptor variable
soc: fsl: dpio: use an explicit NULL instead of 0
...
Fix drivers/bus/ti-sysc.c:2494:13: error: variable 'error' set but not
used introduced by commit 9d88136120 ("bus: ti-sysc: Add quirk handling
for reinit on context lost").
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 94f6345712 ("bus: ti-sysc: Implement quirk handling for
CLKDM_NOAUTO") should have also added the quirk for dra7 dcan1 in
addition to dcan2 for errata i893 handling.
Let's also pass the quirk flag for legacy mode booting for if "ti,hwmods"
dts property is used with related dcan hwmod data. This should be only
needed if anybody needs to git bisect earlier stable trees though.
Fixes: 94f6345712 ("bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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>
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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
...
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>
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>
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>
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>
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>
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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"
...
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>
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>
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>
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>
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>
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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
...
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>
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>
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>
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>
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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
...
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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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
