From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ziqi Chen <quic_ziqichen@quicinc.com>
Cc: quic_cang@quicinc.com, bvanassche@acm.org, mani@kernel.org,
beanhuo@micron.com, avri.altman@wdc.com,
junwoo80.lee@samsung.com, martin.petersen@oracle.com,
quic_nguyenb@quicinc.com, quic_nitirawa@quicinc.com,
quic_rampraka@quicinc.com, neil.armstrong@linaro.org,
luca.weiss@fairphone.com, konrad.dybcio@oss.qualcomm.com,
peter.wang@mediatek.com, linux-arm-msm@vger.kernel.org,
linux-scsi@vger.kernel.org, Alim Akhtar <alim.akhtar@samsung.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
linux-kernel@vger.kernel.org (open list)
Subject: Re: [PATCH v4] scsi: ufs: core: Don't perform UFS clkscale if host asyn scan in progress
Date: Tue, 27 May 2025 21:58:25 -0400 [thread overview]
Message-ID: <yq1ldqhijig.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20250522081233.2358565-1-quic_ziqichen@quicinc.com> (Ziqi Chen's message of "Thu, 22 May 2025 16:12:28 +0800")
Ziqi,
> When preparing for UFS clock scaling, the UFS driver will quiesce all
> sdevs queues in the UFS SCSI host tagset list and then unquiesce them
> when UFS clock scaling unpreparing. If the UFS SCSI host async scan is
> in progress at this time, some LUs may be added to the tagset list
> between UFS clkscale prepare and unprepare. This can cause two issues:
Applied to 6.16/scsi-staging, thanks!
--
Martin K. Petersen
next prev parent reply other threads:[~2025-05-28 1:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-22 8:12 [PATCH v4] scsi: ufs: core: Don't perform UFS clkscale if host asyn scan in progress Ziqi Chen
2025-05-27 21:24 ` Bart Van Assche
2025-05-28 1:58 ` Martin K. Petersen [this message]
2025-06-03 2:35 ` Martin K. Petersen
2025-07-25 9:13 ` Peter Wang (王信友)
2025-07-25 14:54 ` Bart Van Assche
2025-07-28 6:34 ` Peter Wang (王信友)
2025-07-29 3:02 ` Ziqi Chen
2025-07-30 12:55 ` Peter Wang (王信友)
2025-07-30 15:37 ` Bart Van Assche
2025-07-30 15:42 ` Bart Van Assche
2025-07-30 15:50 ` Bart Van Assche
2025-08-04 7:54 ` Ziqi Chen
2025-08-04 9:41 ` Peter Wang (王信友)
2025-08-04 12:43 ` Peter Wang (王信友)
2025-08-05 6:03 ` Ziqi Chen
2025-08-05 7:39 ` Peter Wang (王信友)
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