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To: <peter.wang@mediatek.com>
Cc: <linux-scsi@vger.kernel.org>,  <martin.petersen@oracle.com>,
  <avri.altman@sandisk.com>,  <alim.akhtar@samsung.com>,
  <bvanassche@acm.org>,  <santosh.sy@samsung.com>,
  <h.vinayak@samsung.com>,  <wsd_upstream@mediatek.com>,
  <linux-mediatek@lists.infradead.org>,  <chun-hung.wu@mediatek.com>,
  <alice.chao@mediatek.com>,  <cc.chou@mediatek.com>,
  <chaotian.jing@mediatek.com>,  <tun-yu.yu@mediatek.com>,
  <naomi.chu@mediatek.com>,  <ed.tsai@mediatek.com>
Subject: Re: [PATCH v2 0/2] ufs: fix POST_CHANGE pairing and AHIT race
 condition
From: "Martin K. Petersen (Oracle)" <mkp@kernel.org>
In-Reply-To: <20260914085148.136429-1-peter.wang@mediatek.com>
Message-ID: <yq1jyo8pwwc.fsf@mail.kernel.org>
References: <20260914085148.136429-1-peter.wang@mediatek.com>
Date: Fri, 25 Sep 2026 22:30:38 -0400
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> 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-staging, thanks!

-- 
Martin K. Petersen