kernel.git/drivers/misc/mei, branch linux-5.16.y

mei: avoid iterator usage outside of list_for_each_entry

2022-04-08T12:05:20Z

commit c10187b1c5ebb8681ca467ab7b0ded5ea415d258 upstream. Usage of the iterator outside of the list_for_each_entry is considered harmful. https://lkml.org/lkml/2022/2/17/1032 Do not reference the loop variable outside of the loop, by rearranging the orders of execution. Instead of performing search loop and checking outside the loop if the end of the list was hit and no matching element was found, the execution is performed inside the loop upon a successful match followed by a goto statement to the next step, therefore no condition has to be performed after the loop has ended. Cc: Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20220308095926.300412-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman

mei: me: add Alder Lake N device id.

2022-04-08T12:05:20Z

commit 7bbbd0845818cffa9fa8ccfe52fa1cad58e7e4f2 upstream. Add Alder Lake N device ID. Cc: Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20220301071115.96145-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman

mei: me: disable driver on the ign firmware

2022-04-08T12:05:20Z

commit ccdf6f806fbf559f7c29ed9302a7c1b4da7fd37f upstream. Add a quirk to disable MEI interface on Intel PCH Ignition (IGN) as the IGN firmware doesn't support the protocol. Cc: Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20220215080438.264876-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman

mei: hbm: fix client dma reply status

2022-01-27T11:01:22Z

commit 6b0b80ac103b2a40c72a47c301745fd1f4ef4697 upstream. Don't blindly copy status value received from the firmware into internal client status field, It may be positive and ERR_PTR(ret) will translate it into an invalid address and the caller will crash. Put the error code into the client status on failure. Fixes: 369aea845951 ("mei: implement client dma setup.") Cc: # v5.11+ Reported-by: Emmanuel Grumbach Tested-by: : Emmanuel Grumbach Acked-by: Tomas Winkler Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20211228082047.378115-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman

Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2021-11-04T15:21:47Z

Pull char/misc driver updates from Greg KH: "Here is the big set of char and misc and other tiny driver subsystem updates for 5.16-rc1. Loads of things in here, all of which have been in linux-next for a while with no reported problems (except for one called out below.) Included are: - habanana labs driver updates, including dma_buf usage, reviewed and acked by the dma_buf maintainers - iio driver update (going through this tree not staging as they really do not belong going through that tree anymore) - counter driver updates - hwmon driver updates that the counter drivers needed, acked by the hwmon maintainer - xillybus driver updates - binder driver updates - extcon driver updates - dma_buf module namespaces added (will cause a build error in arm64 for allmodconfig, but that change is on its way through the drm tree) - lkdtm driver updates - pvpanic driver updates - phy driver updates - virt acrn and nitr_enclaves driver updates - smaller char and misc driver updates" * tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits) comedi: dt9812: fix DMA buffers on stack comedi: ni_usb6501: fix NULL-deref in command paths arm64: errata: Enable TRBE workaround for write to out-of-range address arm64: errata: Enable workaround for TRBE overwrite in FILL mode coresight: trbe: Work around write to out of range coresight: trbe: Make sure we have enough space coresight: trbe: Add a helper to determine the minimum buffer size coresight: trbe: Workaround TRBE errata overwrite in FILL mode coresight: trbe: Add infrastructure for Errata handling coresight: trbe: Allow driver to choose a different alignment coresight: trbe: Decouple buffer base from the hardware base coresight: trbe: Add a helper to pad a given buffer area coresight: trbe: Add a helper to calculate the trace generated coresight: trbe: Defer the probe on offline CPUs coresight: trbe: Fix incorrect access of the sink specific data coresight: etm4x: Add ETM PID for Kryo-5XX coresight: trbe: Prohibit trace before disabling TRBE coresight: trbe: End the AUX handle on truncation coresight: trbe: Do not truncate buffer on IRQ coresight: trbe: Fix handling of spurious interrupts ...

BackMerge tag 'v5.15-rc7' into drm-next

2021-10-28T04:59:38Z

The msm next tree is based on rc3, so let's just backmerge rc7 before pulling it in. Signed-off-by: Dave Airlie

Merge 5.15-rc6 into char-misc-next

2021-10-18T07:29:27Z

We need the char/misc fixes in here for merging and testing. Signed-off-by: Greg Kroah-Hartman

mei: hbm: drop hbm responses on early shutdown

2021-10-13T09:02:05Z

Drop HBM responses also in the early shutdown phase where the usual traffic is allowed. Extend the rule that drop HBM responses received during the shutdown phase by also in MEI_DEV_POWERING_DOWN state. This resolves the stall if the driver is stopping in the middle of the link init or link reset. Fixes: da3eb47c90d4 ("mei: hbm: drop hbm responses on shutdown") Fixes: 36edb1407c3c ("mei: allow clients on bus to communicate in remove callback") Cc: # v5.12+ Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20211013074552.2278419-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman

mei: me: add Ice Lake-N device id.

2021-10-05T14:20:35Z

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 Cc: stable Link: https://lore.kernel.org/r/20211001173644.16068-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman

mei: pxp: export pavp client to me client bus

2021-10-04T17:10:17Z

Export PAVP client to work with i915 driver, for binding it uses kernel component framework. v2:drop debug prints, refactor match code to match mei_hdcp (Tomas) Signed-off-by: Vitaly Lubart Signed-off-by: Tomas Winkler Signed-off-by: Daniele Ceraolo Spurio Reviewed-by: Rodrigo Vivi Signed-off-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-3-alan.previn.teres.alexis@intel.com