[PATCH v2 0/2] ufs: fix POST_CHANGE pairing and AHIT race condition

[Martin K. Petersen (Oracle)]

On Mon, 14 Sep 2026 16:49:23 +0800, peter.wang at mediatek.com wrote:

> Patch 1 fixes a bug where POST_CHANGE was skipped on a failed gear
> switch, leaving the host in an inconsistent state if resources acquired
> in PRE_CHANGE were never released.
> 
> Patch 2 fixes a race between the sysfs AHIT update path and the
> MediaTek host driver's power mode change path. A mutex and depth
> counter are introduced to serialize AHIT register access and ensure
> AHIT is correctly restored after the last disabler completes.
> 
> [...]

Applied to 7.4/scsi-queue, thanks!

[1/2] ufs: always notify POST_CHANGE even on gear switch failure
      https://git.kernel.org/mkp/scsi/c/6efee14ca0ae
[2/2] ufs: serialize AHIT register access between sysfs and host driver
      https://git.kernel.org/mkp/scsi/c/7dec5cedf7b2

-- 
Martin K. Petersen