1044927 Commits

Author SHA1 Message Date
Yifan Zhang
0dd10a961f drm/amdkfd: remove redundant iommu cleanup code
kfd_resume doesn't involve iommu operation, remove
redundant iommu cleanup code.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Tested-by: James Zhu <James.Zhu@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-05 13:02:13 -04:00
Saravana Kannan
81967efb5f drivers: bus: Delete CONFIG_SIMPLE_PM_BUS
The simple-pm-bus driver is mandatory for CONFIG_OF based platforms to work
with fw_devlink. So, always compile it in for CONFIG_OF and delete the
config since it's no longer necessary.

Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210929000735.585237-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 17:47:22 +02:00
Saravana Kannan
98e96cf800 drivers: bus: simple-pm-bus: Add support for probing simple bus only devices
fw_devlink could end up creating device links for bus only devices.
However, bus only devices don't get probed and can block probe() or
sync_state() [1] call backs of other devices. To avoid this, probe these
devices using the simple-pm-bus driver.

However, there are instances of devices that are not simple buses (they get
probed by their specific drivers) that also list the "simple-bus" (or other
bus only compatible strings) in their compatible property to automatically
populate their child devices. We still want these devices to get probed by
their specific drivers. So, we make sure this driver only probes devices
that are only buses.

[1] - https://lore.kernel.org/lkml/CAPDyKFo9Bxremkb1dDrr4OcXSpE0keVze94Cm=zrkOVxHHxBmQ@mail.gmail.com/

Fixes: c442a0d18744 ("driver core: Set fw_devlink to "permissive" behavior by default")
Cc: stable <stable@vger.kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Tested-by: Saravana Kannan <saravanak@google.com>
Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210929000735.585237-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 17:47:15 +02:00
Saravana Kannan
f729a592ad driver core: Reject pointless SYNC_STATE_ONLY device links
SYNC_STATE_ONLY device links intentionally allow cycles because cyclic
sync_state() dependencies are valid and necessary.

However a SYNC_STATE_ONLY device link where the consumer and the supplier
are the same device is pointless because the device link would be deleted
as soon as the device probes (because it's also the consumer) and won't
affect when the sync_state() callback is called. It's a waste of CPU cycles
and memory to create this device link. So reject any attempts to create
such a device link.

Fixes: 05ef983e0d65 ("driver core: Add device link support for SYNC_STATE_ONLY flag")
Cc: stable <stable@vger.kernel.org>
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210929190549.860541-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 17:45:54 +02:00
Alex Deucher
4702b34d1d drm/amdgpu/display: fix dependencies for DRM_AMD_DC_SI
Depends on DRM_AMDGPU_SI and DRM_AMD_DC

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-05 10:55:41 -04:00
Lijo Lazar
1d617c029f drm/amdgpu: During s0ix don't wait to signal GFXOFF
In the rare event when GFX IP suspend coincides with a s0ix entry, don't
schedule a delayed work, instead signal PMFW immediately to allow GFXOFF
entry. GFXOFF is a prerequisite for s0ix entry. PMFW needs to be
signaled about GFXOFF status before amd-pmc module passes OS HINT
to PMFW telling that everything is ready for a safe s0ix entry.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1712

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-10-05 10:55:07 -04:00
Alex Deucher
d08ce8c6d2 Documentation/gpu: remove spurious "+" in amdgpu.rst
Not sure why that was there.  Remove it.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-05 10:54:53 -04:00
Lang Yu
b072ef1215 drm/amdkfd: fix a potential ttm->sg memory leak
Memory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr,
but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!

Fixes: 264fb4d332f5 ("drm/amdgpu: Add multi-GPU DMA mapping helpers")

Signed-off-by: Lang Yu <lang.yu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-05 10:53:45 -04:00
Jude Shih
7ab0965079 drm/amd/display: USB4 bring up set correct address
[Why]
YELLOW_CARP_B0 address was not correct

[How]
Set YELLOW_CARP_B0 to 0x1A.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Jude Shih <shenshih@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-10-05 10:32:06 -04:00
Konstantin Komarov
95dd8b2c1e
fs/ntfs3: Remove unnecessary functions
We don't need ntfs_xattr_get_acl and ntfs_xattr_set_acl.
There are ntfs_get_acl_ex and ntfs_set_acl_ex.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2021-10-05 17:24:06 +03:00
Andy Shevchenko
75c10c5e7a mei: me: add Ice Lake-N device id.
Add Ice Lake-N device ID.

The device can be found on MacBookPro16,2 [1].

[1]: https://linux-hardware.org/?probe=f1c5cf0c43

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211001173644.16068-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 16:20:35 +02:00
Liu, Zhan
2fe9a0e117 drm/amd/display: Fix DCN3 B0 DP Alt Mapping
[Why]
DCN3 B0 has a mux, which redirects PHYC and PHYD to PHYF and PHYG.

[How]
Fix DIG mapping.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
(cherry picked from commit 4b7786d87fb3adf3e534c4f1e4f824d8700b786b)
2021-10-05 10:17:50 -04:00
Liu, Zhan
45d65c0f09 drm/amd/display: Fix B0 USB-C DP Alt mode
[Why]
Starting from B0, along with RDPCSTX, RDPCSPIPE registers are also used.

[How]
Make sure RDPCSPIPE registers are programmed correctly.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
(cherry picked from commit bdd1a21b52557ea8f61d0a5dc2f77151b576eb70)
2021-10-05 10:17:32 -04:00
Mark Brown
137879f7ff eeprom: 93xx46: Add SPI device ID table
Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding a SPI device ID table.

Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210922184048.34770-1-broonie@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 16:10:15 +02:00
Mark Brown
9e2cd44490 eeprom: at25: Add SPI ID table
Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding an id_table listing the
SPI IDs for everything.

Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210923172453.4921-1-broonie@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 16:10:12 +02:00
Randy Dunlap
97d8ebead8 misc: HI6421V600_IRQ should depend on HAS_IOMEM
MFD_CORE depends on HAS_IOMEM so anything that selects MFD_CORE should
also depend on HAS_IOMEM since 'select' does not check any dependencies
of the symbol that is being selected.

Prevents this kconfig warning:

WARNING: unmet direct dependencies detected for MFD_CORE
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [m]:
  - HI6421V600_IRQ [=m] && OF [=y] && SPMI [=m]

Fixes: bb3b6552a5b0 ("staging: hikey9xx: split hi6421v600 irq into a separate driver")
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20211004001641.23180-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 16:07:56 +02:00
Konstantin Komarov
8241fffae7
fs/ntfs3: Forbid FALLOC_FL_PUNCH_HOLE for normal files
FALLOC_FL_PUNCH_HOLE isn't allowed with normal files.
Filesystem must remember info about hole, but for normal file
we can only zero it and forget.

Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation")
Now xfstests generic/016 generic/021 generic/022 pass.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2021-10-05 17:01:55 +03:00
Srinivas Kandagatla
f9a470db27 misc: fastrpc: Add missing lock before accessing find_vma()
fastrpc driver is using find_vma() without any protection, as a
result we see below warning due to recent patch 5b78ed24e8ec
("mm/pagemap: add mmap_assert_locked() annotations to find_vma*()")
which added mmap_assert_locked() in find_vma() function.

This bug went un-noticed in previous versions. Fix this issue by adding
required protection while calling find_vma().

CPU: 0 PID: 209746 Comm: benchmark_model Not tainted 5.15.0-rc2-00445-ge14fe2bf817a-dirty #969
Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : find_vma+0x64/0xd0
lr : find_vma+0x60/0xd0
sp : ffff8000158ebc40
...

Call trace:
 find_vma+0x64/0xd0
 fastrpc_internal_invoke+0x570/0xda8
 fastrpc_device_ioctl+0x3e0/0x928
 __arm64_sys_ioctl+0xac/0xf0
 invoke_syscall+0x44/0x100
 el0_svc_common.constprop.3+0x70/0xf8
 do_el0_svc+0x24/0x88
 el0_svc+0x3c/0x138
 el0t_64_sync_handler+0x90/0xb8
 el0t_64_sync+0x180/0x184

Fixes: 80f3afd72bd4 ("misc: fastrpc: consider address offset before sending to DSP")
Cc: stable@vger.kernel.org
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210922154326.8927-1-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 15:50:27 +02:00
Arnd Bergmann
42641042c1 cb710: avoid NULL pointer subtraction
clang-14 complains about an unusual way of converting a pointer to
an integer:

drivers/misc/cb710/sgbuf2.c:50:15: error: performing pointer subtraction with a null pointer has undefined behavior [-Werror,-Wnull-pointer-subtraction]
        return ((ptr - NULL) & 3) != 0;

Replace this with a normal cast to uintptr_t.

Fixes: 5f5bac8272be ("mmc: Driver for CB710/720 memory card reader (MMC part)")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210927121408.939246-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 15:50:05 +02:00
Mark Brown
a3e1693731 misc: gehc: Add SPI ID table
Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding a SPI ID table entry
for the device name part of the compatible - currently only the full
compatible is listed which isn't very idiomatic and won't match the
modalias that is generated.

Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Cc: stable <stable@vger.kernel.org>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210923194609.52647-1-broonie@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 15:47:18 +02:00
Arnd Bergmann
34186b48d2
ARM: sharpsl_param: work around -Wstringop-overread warning
gcc warns that accessing a pointer based on a numeric constant may
be an offset into a NULL pointer, and would therefore has zero
accessible bytes:

arch/arm/common/sharpsl_param.c: In function ‘sharpsl_save_param’:
arch/arm/common/sharpsl_param.c:43:9: error: ‘memcpy’ reading 64 bytes from a region of size 0 [-Werror=stringop-overread]
   43 |         memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In this particular case, the warning is bogus since this is the actual
pointer, not an offset on a NULL pointer. Add a local variable to shut
up the warning and hope it doesn't come back.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Mack <daniel@zonque.org>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
Link: https://lore.kernel.org/r/20210927145332.2784005-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:44:56 +02:00
Arnd Bergmann
efa767b372 i.MX fixes for 5.15:
- Revert cc8870bf4c3a to fix the regression on i.MX6 that suspend
   support becomes broken.
 - Add `qca,clk-out-frequency` property to fix Ethernet support on
   imx6qdl-pico board.
 - Re-enable FB support in imx_v6_v7_defconfig.  It gets lost due to
   f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB").
 - Fix LP5562 LED support on imx6dl-yapp4 board.
 - Add missing pinctrl-names for panel on M53Menlo board.
 - Fix USB host power regulator polarity on M53Menlo board.
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Merge tag 'imx-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15:

- Revert cc8870bf4c3a to fix the regression on i.MX6 that suspend
  support becomes broken.
- Add `qca,clk-out-frequency` property to fix Ethernet support on
  imx6qdl-pico board.
- Re-enable FB support in imx_v6_v7_defconfig.  It gets lost due to
  f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB").
- Fix LP5562 LED support on imx6dl-yapp4 board.
- Add missing pinctrl-names for panel on M53Menlo board.
- Fix USB host power regulator polarity on M53Menlo board.

* tag 'imx-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: enable fb
  ARM: dts: imx6qdl-pico: Fix Ethernet support
  ARM: dts: imx: Fix USB host power regulator polarity on M53Menlo
  ARM: dts: imx: Add missing pinctrl-names for panel on M53Menlo
  Revert "ARM: imx6q: drop of_platform_default_populate() from init_machine"
  ARM: dts: imx6dl-yapp4: Fix lp5562 LED driver probe

Link: https://lore.kernel.org/r/20210923063356.GK13480@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:41:15 +02:00
Linus Walleij
a694905931
ARM: defconfig: gemini: Restore framebuffer
The framebuffer is gone on the D-Link DIR-685, restore it.

Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210922200933.1825752-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:40:52 +02:00
Arnd Bergmann
b9af50bcbc ARM: dove: mark 'putc' as inline
This can cause a randconfig warning without the 'inline' flag
that every other platform uses:

In file included from arch/arm/boot/compressed/misc.c:29:
arch/arm/mach-dove/include/mach/uncompress.h:14:13: error: 'putc' defined but not used [-Werror=unused-function]
   14 | static void putc(const char c)
      |             ^~~~

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20210927095343.1015422-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:40:38 +02:00
Arnd Bergmann
94ad8aacbc ARM: omap1: move omap15xx local bus handling to usb.c
Commit 38225f2ef2f4 ("ARM/omap1: switch to use dma_direct_set_offset for
lbus DMA offsets") removed a lot of mach/memory.h, but left the USB
offset handling split into arch/arm/mach-omap1/usb.c and
drivers/usb/host/ohci-omap.c.

This can cause a randconfig build warning that now fails the build
with -Werror:

arch/arm/mach-omap1/usb.c:561:30: error: 'omap_1510_usb_ohci_nb' defined but not used [-Werror=unused-variable]
  561 | static struct notifier_block omap_1510_usb_ohci_nb = {
      |                              ^~~~~~~~~~~~~~~~~~~~~

Move it all into the platform file to get rid of the final
location that relies on mach/memory.h.

Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210927144118.2464881-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:39:50 +02:00
Konstantin Komarov
cff32466bf
fs/ntfs3: Refactoring of ntfs_set_ea
Make code more readable.
Don't try to read zero bytes.
Add warning when size of exteneded attribute exceeds limit.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2021-10-05 16:39:25 +03:00
Konstantin Komarov
d81e06be92
fs/ntfs3: Remove locked argument in ntfs_set_ea
We always need to lock now, because locks became smaller
(see d562e901f25d
"fs/ntfs3: Move ni_lock_dir and ni_unlock into ntfs_create_inode").

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2021-10-05 16:39:24 +03:00
Konstantin Komarov
b1e0c55a40
fs/ntfs3: Use available posix_acl_release instead of ntfs_posix_acl_release
We don't need to maintain ntfs_posix_acl_release.

Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2021-10-05 16:39:17 +03:00
Arnd Bergmann
6147eb53bb Qualcomm driver fixes for v5.15
This restricts the QCOM_SCM driver to depend on ARCH_QCOM, to reduce
 it's presence after becoming a loadable module.
 
 It then fixes a regression in the mdt_loader, where firmware with the
 hash segment marked as PT_LOAD would no longer be accepted, preventing
 several MSM8974 and SDM660 devices from loading remoteproc firmware.
 
 Lastly it corrects the drvdata associated with the socinfo device during
 probe, to match that expected by the remove function.
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Merge tag 'qcom-drivers-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm driver fixes for v5.15

This restricts the QCOM_SCM driver to depend on ARCH_QCOM, to reduce
it's presence after becoming a loadable module.

It then fixes a regression in the mdt_loader, where firmware with the
hash segment marked as PT_LOAD would no longer be accepted, preventing
several MSM8974 and SDM660 devices from loading remoteproc firmware.

Lastly it corrects the drvdata associated with the socinfo device during
probe, to match that expected by the remove function.

* tag 'qcom-drivers-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom_scm: QCOM_SCM should depend on ARCH_QCOM
  soc: qcom: mdt_loader: Drop PT_LOAD check on hash segment
  soc: qcom: socinfo: Fixed argument passed to platform_set_data()

Link: https://lore.kernel.org/r/20210930025456.1035-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:38:04 +02:00
Arnd Bergmann
04e0ae8d2b Qualcomm ARM64 DTS fixes for 5.15
This starts by reverting the SC7280 CPUfreq update, which was merged
 before concensus about the associated drivers changes was reached.
 
 It then moves the reserved-memory changes done to get IPA working on the
 Lenovo Yoga C630 into the Yoga specific DTS, as changing the memory map
 on the platform level did break a couple of the other boards.
 
 It fixes the HDMI audio on Trogdor and add missing Aggre2 NOC qos clocks
 on SDM6{30,36,60} which prevented some boards from booting.
 
 Lastly it enables the PON module on SM8250/QRB5165, as the lack thereof
 is blocking automated testing in LKFT.
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Merge tag 'qcom-arm64-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm ARM64 DTS fixes for 5.15

This starts by reverting the SC7280 CPUfreq update, which was merged
before concensus about the associated drivers changes was reached.

It then moves the reserved-memory changes done to get IPA working on the
Lenovo Yoga C630 into the Yoga specific DTS, as changing the memory map
on the platform level did break a couple of the other boards.

It fixes the HDMI audio on Trogdor and add missing Aggre2 NOC qos clocks
on SDM6{30,36,60} which prevented some boards from booting.

Lastly it enables the PON module on SM8250/QRB5165, as the lack thereof
is blocking automated testing in LKFT.

* tag 'qcom-arm64-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: dts: qcom: sdm630: Add missing a2noc qos clocks
  arm64: dts: qcom: qrb5165-rb5: enabled pwrkey and resin nodes
  arm64: dts: qcom: pm8150: specify reboot mode magics
  arm64: dts: qcom: pm8150: use qcom,pm8998-pon binding
  arm64: dts: qcom: sc7180-trogdor: Fix lpass dai link for HDMI
  arm64: dts: qcom: sdm850-yoga: Reshuffle IPA memory mappings
  Revert "arm64: dts: qcom: sc7280: Fixup the cpufreq node"

Link: https://lore.kernel.org/r/20210930025509.1091-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:37:03 +02:00
Arnd Bergmann
2ecfddb105 Juno/Vexpress fixes for v5.15
Bunch of DTS fixes to resolve addressing issues with some of the device
 nodes, dropping unused/undocumented properties in various nodes, and
 aligning node names with dtschema.
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Merge tag 'juno-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

 Juno/Vexpress fixes for v5.15

Bunch of DTS fixes to resolve addressing issues with some of the device
nodes, dropping unused/undocumented properties in various nodes, and
aligning node names with dtschema.

* tag 'juno-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  arm: dts: vexpress: Fix motherboard bus 'interrupt-map'
  arm: dts: vexpress: Fix addressing issues with 'motherboard-bus' nodes
  arm: dts: vexpress-v2p-ca9: Fix the SMB unit-address
  arm: dts: vexpress: Drop unused properties from motherboard node
  arm64: dts: arm: drop unused interrupt-names in MHU
  ARM: dts: arm: align watchdog and mmc node names with dtschema
  arm64: dts: arm: align watchdog and mmc node names with dtschema
  arm64: dts: fvp: Remove panel timings

Link: https://lore.kernel.org/r/20210927105249.3583380-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:36:03 +02:00
Arnd Bergmann
c147392b65 Qualcomm DTS fixes for v5.15
This corrects the use of depricated chipid and clock names, for which
 support was finally dropped from the driver. It also ensures that the
 DSI PLL is fed by the correct clock, now that it's being migrated to not
 rely on global clock names.
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Merge tag 'qcom-dts-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm DTS fixes for v5.15

This corrects the use of depricated chipid and clock names, for which
support was finally dropped from the driver. It also ensures that the
DSI PLL is fed by the correct clock, now that it's being migrated to not
rely on global clock names.

* tag 'qcom-dts-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  ARM: dts: qcom: apq8064: update Adreno clock names
  ARM: dts: qcom: apq8064: Use 27MHz PXO clock as DSI PLL reference
  ARM: dts: qcom: apq8064: use compatible which contains chipid

Link: https://lore.kernel.org/r/20210930025526.1146-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:33:32 +02:00
Arnd Bergmann
325c81e3fd AT91 fixes #2 for 5.15:
- More fixes for AT91 platform power management code related to the
   introduction of sama7g5:
   - management of DDR3L regulator rails for sama7g5ek
   - loading of TLB on different cores
 
 - PIO controller slew-rate settings for sama7g5ek: be aligned with
   datasheet requirements.
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Merge tag 'at91-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes

AT91 fixes #2 for 5.15:

- More fixes for AT91 platform power management code related to the
  introduction of sama7g5:
  - management of DDR3L regulator rails for sama7g5ek
  - loading of TLB on different cores

- PIO controller slew-rate settings for sama7g5ek: be aligned with
  datasheet requirements.

* tag 'at91-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: at91: sama7g5ek: to not touch slew-rate for SDMMC pins
  ARM: dts: at91: sama7g5ek: use proper slew-rate settings for GMACs
  ARM: at91: pm: preload base address of controllers in tlb
  ARM: at91: pm: group constants and addresses loading
  ARM: dts: at91: sama7g5ek: add suspend voltage for ddr3l rail

Link: https://lore.kernel.org/r/20211004114344.19304-1-nicolas.ferre@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:32:31 +02:00
Nishanth Menon
dd6a2ed801
MAINTAINERS: Add Vignesh to TI K3 platform maintainership
Add Vignesh to TI K3 platform maintainership. We will rotate roles for
each kernel version to help spread the work load a little better.

Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20210915121308.26795-1-nm@ti.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:31:52 +02:00
Arnd Bergmann
f81fd21476 Fix OP-TEE shm_pool lint warning
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Merge tag 'optee-fix-for-v5.15' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes

Fix OP-TEE shm_pool lint warning

* tag 'optee-fix-for-v5.15' of git://git.linaro.org/people/jens.wiklander/linux-tee:
  tee/optee/shm_pool: fix application of sizeof to pointer

Link: https://lore.kernel.org/r/20210915113813.GA509196@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:30:52 +02:00
Johan Hovold
cb2282213e serial: 8250: allow disabling of Freescale 16550 compile test
The SERIAL_8250_FSL option is used to enable a workaround for a
break-detection erratum for Freescale 16550 UARTs in the 8250 driver and
is currently also used to enable support for ACPI enumeration.

It is enabled on PPC, ARM and ARM64 whenever 8250 console support is
enabled (since the quirk is needed for sysrq handling).

Commit b1442c55ce89 ("serial: 8250: extend compile-test coverage")
enabled compile testing of the code in question but did not provide a
means to disable the option when COMPILE_TEST is enabled.

Add a conditional input prompt instead so that SERIAL_8250_FSL is no
longer enabled by default when compile testing while continuing to
always enable the quirk for platforms that may need it.

Fixes: b1442c55ce89 ("serial: 8250: extend compile-test coverage")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210924141232.4419-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 15:07:44 +02:00
Quentin Perret
6e6a8ef088 KVM: arm64: Release mmap_lock when using VM_SHARED with MTE
VM_SHARED mappings are currently forbidden in a memslot with MTE to
prevent two VMs racing to sanitise the same page. However, this check
is performed while holding current->mm's mmap_lock, but fails to release
it. Fix this by releasing the lock when needed.

Fixes: ea7fc1bb1cd1 ("KVM: arm64: Introduce MTE VM feature")
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211005122031.809857-1-qperret@google.com
2021-10-05 13:22:45 +01:00
Eric Dumazet
7707a4d01a netlink: annotate data races around nlk->bound
While existing code is correct, KCSAN is reporting
a data-race in netlink_insert / netlink_sendmsg [1]

It is correct to read nlk->bound without a lock, as netlink_autobind()
will acquire all needed locks.

[1]
BUG: KCSAN: data-race in netlink_insert / netlink_sendmsg

write to 0xffff8881031c8b30 of 1 bytes by task 18752 on cpu 0:
 netlink_insert+0x5cc/0x7f0 net/netlink/af_netlink.c:597
 netlink_autobind+0xa9/0x150 net/netlink/af_netlink.c:842
 netlink_sendmsg+0x479/0x7c0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg net/socket.c:723 [inline]
 ____sys_sendmsg+0x360/0x4d0 net/socket.c:2392
 ___sys_sendmsg net/socket.c:2446 [inline]
 __sys_sendmsg+0x1ed/0x270 net/socket.c:2475
 __do_sys_sendmsg net/socket.c:2484 [inline]
 __se_sys_sendmsg net/socket.c:2482 [inline]
 __x64_sys_sendmsg+0x42/0x50 net/socket.c:2482
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff8881031c8b30 of 1 bytes by task 18751 on cpu 1:
 netlink_sendmsg+0x270/0x7c0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg net/socket.c:723 [inline]
 __sys_sendto+0x2a8/0x370 net/socket.c:2019
 __do_sys_sendto net/socket.c:2031 [inline]
 __se_sys_sendto net/socket.c:2027 [inline]
 __x64_sys_sendto+0x74/0x90 net/socket.c:2027
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x00 -> 0x01

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 18751 Comm: syz-executor.0 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011

Fixes: da314c9923fe ("netlink: Replace rhash_portid with bound")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-05 13:11:09 +01:00
Wong Vee Khee
e3cf002d5a net: pcs: xpcs: fix incorrect CL37 AN sequence
According to Synopsys DesignWare Cores Ethernet PCS databook, it is
required to disable Clause 37 auto-negotiation by programming bit-12
(AN_ENABLE) to 0 if it is already enabled, before programming various
fields of VR_MII_AN_CTRL registers.

After all these programming are done, it is then required to enable
Clause 37 auto-negotiation by programming bit-12 (AN_ENABLE) to 1.

Fixes: b97b5331b8ab ("net: pcs: add C37 SGMII AN support for intel mGbE controller")
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-05 13:10:24 +01:00
Sean Anderson
25a9da6641 net: sfp: Fix typo in state machine debug string
The string should be "tx_disable" to match the state enum.

Fixes: 4005a7cb4f55 ("net: phy: sftp: print debug message with text, not numbers")
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-05 13:08:13 +01:00
Lukas Bulwahn
beb76cb4ee
MAINTAINERS: rectify entry for SY8106A REGULATOR DRIVER
Commit b1c36aae51c9 ("regulator: Convert SY8106A binding to a schema")
converts sy8106a-regulator.txt to silergy,sy8106a.yaml, but missed to
adjust its reference in MAINTAINERS.

Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about
a broken reference.

Repair this file reference in SY8106A REGULATOR DRIVER.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20211005075451.29691-11-lukas.bulwahn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-05 13:03:48 +01:00
Quentin Perret
7615c2a514 KVM: arm64: Report corrupted refcount at EL2
Some of the refcount manipulation helpers used at EL2 are instrumented
to catch a corrupted state, but not all of them are treated equally. Let's
make things more consistent by instrumenting hyp_page_ref_dec_and_test()
as well.

Acked-by: Will Deacon <will@kernel.org>
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211005090155.734578-6-qperret@google.com
2021-10-05 13:02:54 +01:00
Quentin Perret
1d58a17ef5 KVM: arm64: Fix host stage-2 PGD refcount
The KVM page-table library refcounts the pages of concatenated stage-2
PGDs individually. However, when running KVM in protected mode, the
host's stage-2 PGD is currently managed by EL2 as a single high-order
compound page, which can cause the refcount of the tail pages to reach 0
when they shouldn't, hence corrupting the page-table.

Fix this by introducing a new hyp_split_page() helper in the EL2 page
allocator (matching the kernel's split_page() function), and make use of
it from host_s2_zalloc_pages_exact().

Fixes: 1025c8c0c6ac ("KVM: arm64: Wrap the host with a stage 2")
Acked-by: Will Deacon <will@kernel.org>
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211005090155.734578-5-qperret@google.com
2021-10-05 13:02:54 +01:00
Johan Hovold
58fc1daa4d USB: cdc-acm: fix break reporting
A recent change that started reporting break events forgot to push the
event to the line discipline, which meant that a detected break would
not be reported until further characters had been receive (the port
could even have been closed and reopened in between).

Fixes: 08dff274edda ("cdc-acm: fix BREAK rx code path adding necessary calls")
Cc: stable@vger.kernel.org
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210929090937.7410-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:50:52 +02:00
Johan Hovold
65a205e611 USB: cdc-acm: fix racy tty buffer accesses
A recent change that started reporting break events to the line
discipline caused the tty-buffer insertions to no longer be serialised
by inserting events also from the completion handler for the interrupt
endpoint.

Completion calls for distinct endpoints are not guaranteed to be
serialised. For example, in case a host-controller driver uses
bottom-half completion, the interrupt and bulk-in completion handlers
can end up running in parallel on two CPUs (high-and low-prio tasklets,
respectively) thereby breaking the tty layer's single producer
assumption.

Fix this by holding the read lock also when inserting characters from
the bulk endpoint.

Fixes: 08dff274edda ("cdc-acm: fix BREAK rx code path adding necessary calls")
Cc: stable@vger.kernel.org
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210929090937.7410-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:50:52 +02:00
Pavel Hofman
0560c9c552 usb: gadget: f_uac2: fixed EP-IN wMaxPacketSize
Async feedback patches broke enumeration on Windows 10 previously fixed
by commit 789ea77310f0 ("usb: gadget: f_uac2: always increase endpoint
max_packet_size by one audio slot").

While the existing calculation for EP OUT capture for async mode yields
size+1 frame due to uac2_opts->fb_max > 0, playback side lost the +1
feature.  Therefore the +1 frame addition must be re-introduced for
playback. Win10 enumerates the device only when both EP IN and EP OUT
max packet sizes are (at least) +1 frame.

Fixes: e89bb4288378 ("usb: gadget: u_audio: add real feedback implementation")
Cc: stable <stable@vger.kernel.org>
Tested-by: Henrik Enquist <henrik.enquist@gmail.com>
Tested-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20210924080027.5362-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:50:09 +02:00
Rikard Falkeborn
04d2b75537 usb: cdc-wdm: Fix check for WWAN
CONFIG_WWAN_CORE was with CONFIG_WWAN in commit 89212e160b81 ("net: wwan:
Fix WWAN config symbols"), but did not update all users of it. Change it
back to use CONFIG_WWAN instead.

Fixes: 89212e160b81 ("net: wwan: Fix WWAN config symbols")
Cc: <stable@vger.kernel.org>
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20210929194547.46954-2-rikard.falkeborn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:49:23 +02:00
Fabio Estevam
8253a34bfa usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle
When passing 'phys' in the devicetree to describe the USB PHY phandle
(which is the recommended way according to
Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt) the
following NULL pointer dereference is observed on i.MX7 and i.MX8MM:

[    1.489344] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098
[    1.498170] Mem abort info:
[    1.500966]   ESR = 0x96000044
[    1.504030]   EC = 0x25: DABT (current EL), IL = 32 bits
[    1.509356]   SET = 0, FnV = 0
[    1.512416]   EA = 0, S1PTW = 0
[    1.515569]   FSC = 0x04: level 0 translation fault
[    1.520458] Data abort info:
[    1.523349]   ISV = 0, ISS = 0x00000044
[    1.527196]   CM = 0, WnR = 1
[    1.530176] [0000000000000098] user address but active_mm is swapper
[    1.536544] Internal error: Oops: 96000044 [#1] PREEMPT SMP
[    1.542125] Modules linked in:
[    1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3
[    1.551901] Hardware name: Kontron i.MX8MM N801X S (DT)
[    1.557133] Workqueue: events_unbound deferred_probe_work_func
[    1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
[    1.568998] pc : imx7d_charger_detection+0x3f0/0x510
[    1.573973] lr : imx7d_charger_detection+0x22c/0x510

This happens because the charger functions check for the phy presence
inside the imx_usbmisc_data structure (data->usb_phy), but the chipidea
core populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'
(ci->usb_phy) instead.

This causes the NULL pointer dereference inside imx7d_charger_detection().

Fix it by also searching for 'phys' in case 'fsl,usbphy' is not found.

Tested on a imx7s-warp board.

Fixes: 746f316b753a ("usb: chipidea: introduce imx7d USB charger detection")
Cc: stable@vger.kernel.org
Reported-by: Heiko Thiery <heiko.thiery@gmail.com>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210921113754.767631-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:47:26 +02:00
Xu Yang
6d91017a29 usb: typec: tcpm: handle SRC_STARTUP state if cc changes
TCPM for DRP should do the same action as SRC_ATTACHED when cc changes in
SRC_STARTUP state. Otherwise, TCPM will transition to SRC_UNATTACHED state
which is not satisfied with the Type-C spec.

Per Type-C spec:
DRP port should move to Unattached.SNK instead of Unattached.SRC if sink
removed.

Fixes: 4b4e02c83167 ("typec: tcpm: Move out of staging")
cc: <stable@vger.kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20210928111639.3854174-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:47:00 +02:00
Xu Yang
05300871c0 usb: typec: tcpci: don't handle vSafe0V event if it's not enabled
USB TCPCI Spec, 4.4.3 Mask Registers:
"A masked register will still indicate in the ALERT register, but shall
not set the Alert# pin low."

Thus, the Extended Status will still indicate in ALERT register if vSafe0V
is detected by TCPC even though being masked. In current code, howerer,
this event will not be handled in detection time. Rather it will be
handled when next ALERT event coming(CC evnet, PD event, etc).

Tcpm might transition to a wrong state in this situation. Thus, the vSafe0V
event should not be handled when it's masked.

Fixes: 766c485b86ef ("usb: typec: tcpci: Add support to report vSafe0V")
cc: <stable@vger.kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20210926101415.3775058-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:46:46 +02:00