Mention the issue with fixed UDC addresses.
Links external examples and test suite.
Add more implmenetation details and potential improvements.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Raw Gadget is currently unable to stall/halt/wedge gadget endpoints,
which is required for proper emulation of certain USB classes.
This patch adds a few more ioctls:
- USB_RAW_IOCTL_EP0_STALL allows to stall control endpoint #0 when
there's a pending setup request for it.
- USB_RAW_IOCTL_SET/CLEAR_HALT/WEDGE allow to set/clear halt/wedge status
on non-control non-isochronous endpoints.
Fixes: f2c2e71764 ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Currently automatic gadget endpoint selection based on required features
doesn't work. Raw Gadget tries iterating over the list of available
endpoints and finding one that has the right direction and transfer type.
Unfortunately selecting arbitrary gadget endpoints (even if they satisfy
feature requirements) doesn't work, as (depending on the UDC driver) they
might have fixed addresses, and one also needs to provide matching
endpoint addresses in the descriptors sent to the host.
The composite framework deals with this by assigning endpoint addresses
in usb_ep_autoconfig() before enumeration starts. This approach won't work
with Raw Gadget as the endpoints are supposed to be enabled after a
set_configuration/set_interface request from the host, so it's too late to
patch the endpoint descriptors that had already been sent to the host.
For Raw Gadget we take another approach. Similarly to GadgetFS, we allow
the user to make the decision as to which gadget endpoints to use.
This patch adds another Raw Gadget ioctl USB_RAW_IOCTL_EPS_INFO that
exposes information about all non-control endpoints that a currently
connected UDC has. This information includes endpoints addresses, as well
as their capabilities and limits to allow the user to choose the most
fitting gadget endpoint.
The USB_RAW_IOCTL_EP_ENABLE ioctl is updated to use the proper endpoint
validation routine usb_gadget_ep_match_desc().
These changes affect the portability of the gadgets that use Raw Gadget
when running on different UDCs. Nevertheless, as long as the user relies
on the information provided by USB_RAW_IOCTL_EPS_INFO to dynamically
choose endpoint addresses, UDC-agnostic gadgets can still be written with
Raw Gadget.
Fixes: f2c2e71764 ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This contains a pair of patches which fix SMMU support on Tegra124 and
Tegra210 for host1x and the Tegra DRM driver.
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Merge tag 'drm/tegra/for-5.7-fixes' of git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.7
This contains a pair of patches which fix SMMU support on Tegra124 and
Tegra210 for host1x and the Tegra DRM driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200508101355.3031268-1-thierry.reding@gmail.com
- Fixes couple deadlocks (Chris)
- Timeslice preemption fixes (Chris)
- Fix Display Port interrupt handling on Tiger Lake (Imre)
- Reduce debug noise around Frame Buffer Compression (Peter)
- Fix logic around IPC W/a for Coffee Lake and Kaby Lake (Sultan)
- Avoid dereferencing a dead context (Chris)
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Merge tag 'drm-intel-fixes-2020-05-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fixes on execlist to avoid GPU hang situation (Chris)
- Fixes couple deadlocks (Chris)
- Timeslice preemption fixes (Chris)
- Fix Display Port interrupt handling on Tiger Lake (Imre)
- Reduce debug noise around Frame Buffer Compression (Peter)
- Fix logic around IPC W/a for Coffee Lake and Kaby Lake (Sultan)
- Avoid dereferencing a dead context (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200508052437.GA3212215@intel.com
In file included from ./../include/linux/compiler_types.h:68,
from <command-line>:
../include/asm-generic/mmiowb.h: In function ‘mmiowb_set_pending’:
../include/asm-generic/percpu.h:34:38: error: implicit declaration of function ‘smp_processor_id’; did you mean ‘raw_smp_processor_id’? [-Werror=implicit-function-declaration]
#define my_cpu_offset per_cpu_offset(smp_processor_id())
^~~~~~~~~~~~~~~~
../include/linux/compiler-gcc.h:58:26: note: in definition of macro ‘RELOC_HIDE’
(typeof(ptr)) (__ptr + (off)); \
^~~
../include/linux/percpu-defs.h:249:2: note: in expansion of macro ‘SHIFT_PERCPU_PTR’
SHIFT_PERCPU_PTR(ptr, my_cpu_offset); \
^~~~~~~~~~~~~~~~
../include/asm-generic/percpu.h:34:23: note: in expansion of macro ‘per_cpu_offset’
#define my_cpu_offset per_cpu_offset(smp_processor_id())
^~~~~~~~~~~~~~
../include/linux/percpu-defs.h:249:24: note: in expansion of macro ‘my_cpu_offset’
SHIFT_PERCPU_PTR(ptr, my_cpu_offset); \
^~~~~~~~~~~~~
../include/asm-generic/mmiowb.h:30:26: note: in expansion of macro ‘this_cpu_ptr’
#define __mmiowb_state() this_cpu_ptr(&__mmiowb_state)
^~~~~~~~~~~~
../include/asm-generic/mmiowb.h:37:28: note: in expansion of macro ‘__mmiowb_state’
struct mmiowb_state *ms = __mmiowb_state();
^~~~~~~~~~~~~~
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv64-none-linux-gnu-ld: mm/page_alloc.o: in function `.L0 ':
page_alloc.c:(.text+0xd34): undefined reference to `__kernel_map_pages'
riscv64-none-linux-gnu-ld: page_alloc.c:(.text+0x104a): undefined reference to `__kernel_map_pages'
riscv64-none-linux-gnu-ld: mm/page_alloc.o: in function `__pageblock_pfn_to_page':
page_alloc.c:(.text+0x145e): undefined reference to `__kernel_map_pages'
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
phy_restart_aneg() enables aneg in the PHY. That's not what we want
if phydev->autoneg is disabled. In this case still update EEE
advertisement register, but don't enable aneg and don't trigger an
aneg restart.
Fixes: f75abeb833 ("net: phy: restart phy autonegotiation after EEE advertisment change")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 06b93644f4 ("media: Kconfig: add an option to filter in/out
platform drivers") adds a new Kconfig symbol which now hides drivers
currently enabled in the arm64 defconfig. Enable it to get those
drivers back.
Link: https://lore.kernel.org/r/20200427134003.45188-5-max.krummenacher@toradex.com
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add DRM_DISPLAY_CONNECTOR. This got introduced with the bridge rework
Which renamed among others DRM_DUMB_VGA_DAC.
Link: https://lore.kernel.org/r/20200427134003.45188-3-max.krummenacher@toradex.com
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Few device tree fixes for various devices:
- A regression fix for non-existing can device on am534x-idk
- Fix missing dma-ranges for dra7 pcie
- Fix flakey wlan on droid4 where some devices would not connect
at all because of internal pull being used with an external pull
- Fix occasional missed wake-up events on droid4 modem uart
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Merge tag 'omap-for-v5.6/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.6-rc cycle
Few device tree fixes for various devices:
- A regression fix for non-existing can device on am534x-idk
- Fix missing dma-ranges for dra7 pcie
- Fix flakey wlan on droid4 where some devices would not connect
at all because of internal pull being used with an external pull
- Fix occasional missed wake-up events on droid4 modem uart
* tag 'omap-for-v5.6/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
ARM: dts: dra7: Fix bus_dma_limit for PCIe
ARM: dts: am574x-idk: Disable m_can node
Link: https://lore.kernel.org/r/pull-1588872844-804667@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
make dtc and the new dtscheck against yaml bindings happy.
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Merge tag 'v5.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Some fixes for the newly added Pinebook Pro and other fixes to
make dtc and the new dtscheck against yaml bindings happy.
* tag 'v5.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
arm64: dts: rockchip: Fix Pinebook Pro FUSB302 interrupt
ARM: dts: rockchip: swap clock-names of gpu nodes
arm64: dts: rockchip: swap interrupts interrupt-names rk3399 gpu node
arm64: dts: rockchip: fix status for &gmac2phy in rk3328-evb.dts
arm64: dts: rockchip: remove extra assigned-clocks property from &gmac2phy node in rk3328-evb.dts
ARM: dts: rockchip: fix phy nodename for rk3229-xms6
ARM: dts: rockchip: fix phy nodename for rk3228-evb
arm64: dts: rockchip: Rename dwc3 device nodes on rk3399 to make dtc happy
arm64: dts: rockchip: drop #address-cells, #size-cells from rk3399 pmugrf node
arm64: dts: rockchip: drop #address-cells, #size-cells from rk3328 grf node
arm64: dts: rockchip: drop non-existent gmac2phy pinmux options from rk3328
arm64: dts: rockchip: Replace RK805 PMIC node name with "pmic" on rk3328 boards
arm64: dts: rockchip: enable DC charger detection pullup on Pinebook Pro
arm64: dts: rockchip: fix inverted headphone detection on Pinebook Pro
arm64: dts: rockchip: Correct PMU compatibles for PX30 and RK3308
Link: https://lore.kernel.org/r/1738941.6LdaBJIBqS@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a single fix to reenable the Tegra194 PCIe host support by
default that was inadvertently dropped as a result of the host/endpoint
mode support that was added in v5.7-rc1.
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Merge tag 'tegra-for-5.7-arm64-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
arm64: tegra: Default configuration fixes
This contains a single fix to reenable the Tegra194 PCIe host support by
default that was inadvertently dropped as a result of the host/endpoint
mode support that was added in v5.7-rc1.
* tag 'tegra-for-5.7-arm64-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: defconfig: Re-enable Tegra PCIe host driver
Link: https://lore.kernel.org/r/20200430105700.167199-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix IOMMU support on R-Car V3H,
- Minor fixes that are fast-tracked to avoid introducing regressions
during conversion of DT bindings to json-schema.
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Merge tag 'renesas-fixes-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes
Renesas fixes for v5.7
- Fix IOMMU support on R-Car V3H,
- Minor fixes that are fast-tracked to avoid introducing regressions
during conversion of DT bindings to json-schema.
* tag 'renesas-fixes-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
arm64: dts: renesas: r8a77980: Fix IPMMU VIP[01] nodes
ARM: dts: r8a73a4: Add missing CMT1 interrupts
Link: https://lore.kernel.org/r/20200430084834.1384-1-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
waiting for CH0" error.
- Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
are selected.
- Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
- Fix i.MX8M AIPS 'reg' properties to remove DTC simple_bus_reg
warnings.
- Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
that bootloader can fix up the IOMMU entries there. Otherwise, EDMA
just doesn't work on LS1028A with shipped bootloader.
- Fix imx6dl-yapp4-ursa board Ethernet connection.
- Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
according to Reference Manual.
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Merge tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.7:
- Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
waiting for CH0" error.
- Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
are selected.
- Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
- Fix i.MX8M AIPS 'reg' properties to remove DTC simple_bus_reg
warnings.
- Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
that bootloader can fix up the IOMMU entries there. Otherwise, EDMA
just doesn't work on LS1028A with shipped bootloader.
- Fix imx6dl-yapp4-ursa board Ethernet connection.
- Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
according to Reference Manual.
* tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
arm64: dts: imx8m: Fix AIPS reg properties
arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn
ARM: dts: imx27-phytec-phycard-s-rdk: Fix the I2C1 pinctrl entries
ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
ARM: dts: imx6dl-yapp4: Fix Ursa board Ethernet connection
arm64: dts: ls1028a: add "fsl,vf610-edma" compatible
dt-bindings: dma: fsl-edma: fix ls1028a-edma compatible
Link: https://lore.kernel.org/r/20200429063226.GT32592@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reduces the (hard coded) CPU voltage to a safe level on MSM8996 and
updates the audio nodes on db820c, db845c and c630 to reflect audio
changes that landed late in the cycle.
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Merge tag 'qcom-arm64-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 DT fixes for v5.7
This reduces the (hard coded) CPU voltage to a safe level on MSM8996 and
updates the audio nodes on db820c, db845c and c630 to reflect audio
changes that landed late in the cycle.
* tag 'qcom-arm64-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: db820c: fix audio configuration
arm64: dts: qcom: db845c: fix asm dai setup
arm64: qcom: c630: fix asm dai setup
arm64: dts: qcom: msm8996: Reduce vdd_apc voltage
Link: https://lore.kernel.org/r/20200429052932.GA2627045@builder.lan
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
i915_gem_evict_something() is charged with finding a slot within the GTT
that we may reuse. Since our goal is not to stall, we first look for a
slot that only overlaps idle vma. To this end, on the first pass we move
any active vma to the end of the search list. However, we only stopped
moving active vma after we see the first active vma twice. If during the
search, that first active vma completed, we would not notice and keep on
extending the search list.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1746
Fixes: 2850748ef8 ("drm/i915: Pull i915_vma_pin under the vm->mutex")
Fixes: b1e3177bd1 ("drm/i915: Coordinate i915_active with its own mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.5+
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200509115217.26853-1-chris@chris-wilson.co.uk
(cherry picked from commit 73e28cc40b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The GENET controller on the Raspberry Pi 4 (2711) is typically
interfaced with an external Broadcom PHY via a RGMII electrical
interface. To make sure that delays are properly configured at the PHY
side, ensure that we the dedicated Broadcom PHY driver
(CONFIG_BROADCOM_PHY) is enabled for this to happen.
Fixes: 402482a6a7 ("net: bcmgenet: Clear ID_MODE_DIS in EXT_RGMII_OOB_CTRL when not needed")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tuong Lien says:
====================
tipc: add some patches
This series adds patches to fix some issues in TIPC streaming & service
subscription.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When a service subscription is expired or canceled by user, it needs to
be deleted from the subscription list, so that new subscriptions can be
registered (max = 65535 per net). However, there are two issues in code
that can cause such an unused subscription to persist:
1) The 'tipc_conn_delete_sub()' has a loop on the subscription list but
it makes a break shortly when the 1st subscription differs from the one
specified, so the subscription will not be deleted.
2) In case a subscription is canceled, the code to remove the
'TIPC_SUB_CANCEL' flag from the subscription filter does not work if it
is a local subscription (i.e. the little endian isn't involved). So, it
will be no matches when looking for the subscription to delete later.
The subscription(s) will be removed eventually when the user terminates
its topology connection but that could be a long time later. Meanwhile,
the number of available subscriptions may be exhausted.
This commit fixes the two issues above, so as needed a subscription can
be deleted correctly.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Upon receipt of a service subscription request from user via a topology
connection, one 'sub' object will be allocated in kernel, so it will be
able to send an event of the service if any to the user correspondingly
then. Also, in case of any failure, the connection will be shutdown and
all the pertaining 'sub' objects will be freed.
However, there is a race condition as follows resulting in memory leak:
receive-work connection send-work
| | |
sub-1 |<------//-------| |
sub-2 |<------//-------| |
| |<---------------| evt for sub-x
sub-3 |<------//-------| |
: : :
: : :
| /--------| |
| | * peer closed |
| | | |
| | |<-------X-------| evt for sub-y
| | |<===============|
sub-n |<------/ X shutdown |
-> orphan | |
That is, the 'receive-work' may get the last subscription request while
the 'send-work' is shutting down the connection due to peer close.
We had a 'lock' on the connection, so the two actions cannot be carried
out simultaneously. If the last subscription is allocated e.g. 'sub-n',
before the 'send-work' closes the connection, there will be no issue at
all, the 'sub' objects will be freed. In contrast the last subscription
will become orphan since the connection was closed, and we released all
references.
This commit fixes the issue by simply adding one test if the connection
remains in 'connected' state right after we obtain the connection lock,
then a subscription object can be created as usual, otherwise we ignore
it.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Reported-by: Thang Ngo <thang.h.ngo@dektech.com.au>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently when a connection is in Nagle mode, we set the 'ack_required'
bit in the last sending buffer and wait for the corresponding ACK prior
to pushing more data. However, on the receiving side, the ACK is issued
only when application really reads the whole data. Even if part of the
last buffer is received, we will not do the ACK as required. This might
cause an unnecessary delay since the receiver does not always fetch the
message as fast as the sender, resulting in a large latency in the user
message sending, which is: [one RTT + the receiver processing time].
The commit makes Nagle ACK as soon as possible i.e. when a message with
the 'ack_required' arrives in the receiving side's stack even before it
is processed or put in the socket receive queue...
This way, we can limit the streaming latency to one RTT as committed in
Nagle mode.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ursula Braun says:
====================
s390/net: updates 2020-05-13
please apply the fix from Wei Yongjun to netdev's net tree and
add Karsten Graul as co-maintainer for drivers/s390/net.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Karsten as additional maintainer for drivers/s390/net .
One of his focal points is the ism driver.
Cc: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix to return negative error code -ENOMEM from the smcd_alloc_dev()
error handling case instead of 0, as done elsewhere in this function.
Fixes: 684b89bc39 ("s390/ism: add device driver for internal shared memory")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When we changed the file registration handling, it became important to
iterate the bulk request freeing list for fixed files as well, or we
miss dropping the fixed file reference. If not, we're leaking references,
and we'll get a kworker stuck waiting for file references to disappear.
This also means we can remove the special casing of fixed vs non-fixed
files, we need to iterate for both and we can just rely on
__io_req_aux_free() doing io_put_file() instead of doing it manually.
Fixes: 0558955373 ("io_uring: refactor file register/unregister/update handling")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When tsi-as-adc is configured it is possible for in7[0123]_input read to
return an incorrect value if a concurrent read to in[456]_input is
performed. This is caused by a concurrent manipulation of the mux
channel without proper locking as hwmon and mfd use different locks for
synchronization.
Switch hwmon to use the same lock as mfd when accessing the TSI channel.
Fixes: 4f16cab19a ("hwmon: da9052: Add support for TSI channel")
Signed-off-by: Samu Nuutamo <samu.nuutamo@vincit.fi>
[rebase to current master, reword commit message slightly]
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Though rdpkru and wrpkru are contingent upon CR4.PKE, the PKRU
resource isn't. It can be read with XSAVE and written with XRSTOR.
So, if we don't set the guest PKRU value here(kvm_load_guest_xsave_state),
the guest can read the host value.
In case of kvm_load_host_xsave_state, guest with CR4.PKE clear could
potentially use XRSTOR to change the host PKRU value.
While at it, move pkru state save/restore to common code and the
host_pkru field to kvm_vcpu_arch. This will let SVM support protection keys.
Cc: stable@vger.kernel.org
Reported-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <158932794619.44260.14508381096663848853.stgit@naples-babu.amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The format of temperature limitation registers are 8-bit 2's complement
and the range is -128~127.
Converts the reading value to signed char to fix the incorrect range
of temperature limitation registers.
Signed-off-by: Amy Shih <amy.shih@advantech.com.tw>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When nct7904 power up, it compares current sensor readings against the
default threshold immediately. This results in false alarms on startup.
Read all SMI status registers in probe function to clear the alarms.
Signed-off-by: Amy Shih <amy.shih@advantech.com.tw>
[groeck: Reworded description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When we're doing pnfs then the credential being used for the RPC call
is not necessarily the same as the one used in the open context, so
don't use RPC_TASK_CRED_NOREF.
Fixes: 6129650720 ("NFSv4: Avoid referencing the cred unnecessarily during NFSv4 I/O")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
0.6, the PMC HPD request LVL bit field is bit 4.
Fix the definition here to match the programming guide.
Since this bit field is changing, explicitly define a field for the
HPD_HIGH mode data bit.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Fixes: 6701adfa96 ("usb: typec: driver for Intel PMC mux control")
Reviewed-by: Benson Leung <bleung@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200511091837.102508-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixing raw-gadget's IOCTL return value. Enabling EXTCON for Intel
Merrifield. Couple leaks have been plugged in net2272 and
twl6030-usb. Returning an error code when things fail in cdc and ncm
legacy gadgets. An old bug on dwc3 regarding HWO bit handling has been
fixed.
Apart from these, some minor fixes.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Merge tag 'fixes-for-v5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
USB: fixes for v5.7-rc5
Fixing raw-gadget's IOCTL return value. Enabling EXTCON for Intel
Merrifield. Couple leaks have been plugged in net2272 and
twl6030-usb. Returning an error code when things fail in cdc and ncm
legacy gadgets. An old bug on dwc3 regarding HWO bit handling has been
fixed.
Apart from these, some minor fixes.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: raw-gadget: fix return value of ep read ioctls
usb: dwc3: select USB_ROLE_SWITCH
usb: gadget: legacy: fix error return code in gncm_bind()
usb: gadget: legacy: fix error return code in cdc_bind()
usb: gadget: legacy: fix redundant initialization warnings
usb: gadget: tegra-xudc: Fix idle suspend/resume
usb: gadget: net2272: Fix a memory leak in an error handling path in 'net2272_plat_probe()'
usb: phy: twl6030-usb: Fix a resource leak in an error handling path in 'twl6030_usb_probe()'
usb: cdns3: gadget: prev_req->trb is NULL for ep0
usb: gadget: audio: Fix a missing error return value in audio_bind()
usb: dwc3: pci: Enable extcon driver for Intel Merrifield
dwc3: Remove check for HWO flag in dwc3_gadget_ep_reclaim_trb_sg()
Add the build system changes needed to get the Broadcom STB XHCI,
EHCI and OHCI functionality working. The OHCI support does not
require anything unique to Broadcom so the standard ohci-platform
driver is being used. Also update MAINTAINERS.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200512150019.25903-6-alcooperx@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a new EHCI driver for Broadcom STB SoC's. A new EHCI driver
was created instead of adding support to the existing ehci platform
driver because of the code required to work around bugs in the EHCI
controller. The primary workaround is for a bug where the Core
violates the SOF interval between the first two SOFs transmitted after
resume. This only happens if the resume occurs near the end of a
microframe. The fix is to intercept the ehci-hcd request to complete
RESUME and align it to the start of the next microframe.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200512150019.25903-5-alcooperx@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for Broadcom STB SoC's to the xhci platform driver
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200512150019.25903-4-alcooperx@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add DT bindings for Broadcom STB USB EHCI and XHCI drivers.
NOTE: The OHCI driver is not included because it uses the generic
platform driver.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200512150019.25903-3-alcooperx@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds USB role switch support to the tps6598x.
The setup to initiate or accept a data-role switch is both assumed and
currently required to be baked-into the firmware as described in TI's
document here.
Link: https://www.ti.com/lit/an/slva843a/slva843a.pdf
With this change its possible to use the USB role-switch API to detect and
notify role-switches to downstream consumers.
Tested with a ChipIdea controller on a Qualcomm MSM8939.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Gustavo A. R. Silva <garsilva@embeddedor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20200511231930.2825183-2-bryan.odonoghue@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The SBU and HSL orientation may be fixed/static from the mux
PoW. Apparently the retimer may take care of the orientation
of these lines. Handling the static SBU (AUX) and HSL
orientation with device properties.
If the SBU orientation is static, a device property
"sbu-orintation" can be used. When the property exists, the
driver always sets the SBU orientation according to the
property value, and when it's not set, the driver uses the
cable plug orientation with SBU.
And with static HSL orientation, "hsl-orientation" device
property can be used in the same way.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200507150900.12102-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
