All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Cc: alim.akhtar@samsung.com, avri.altman@sandisk.com,
	bvanassche@acm.org, James.Bottomley@HansenPartnership.com,
	martin.petersen@oracle.com, peter.wang@mediatek.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	Shawn Guo <shengchao.guo@oss.qualcomm.com>
Subject: Re: [PATCH] Revert "scsi: ufs: core: Remove unnecessary block I/O quiesce for clock scaling"
Date: Sun, 26 Jul 2026 15:29:38 -0400	[thread overview]
Message-ID: <yq1fr151red.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20260723124733.341789-1-manivannan.sadhasivam@oss.qualcomm.com> (Manivannan Sadhasivam's message of "Thu, 23 Jul 2026 14:47:33 +0200")


Manivannan,

> This reverts commit 85b2b966285498e1b551ac85f02c79cd06c0cff0.
>
> Qcom UFS Host Controllers do not support scaling clocks when the
> traffic is ongoing. But the offending commit removed the block I/O
> quiesce in the clock scaling path, which causes below UFS failures
> during clock scaling:

Dropped from 7.3/scsi-queue.

Thanks!

-- 
Martin K. Petersen

      parent reply	other threads:[~2026-07-26 19:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-23 12:47 [PATCH] Revert "scsi: ufs: core: Remove unnecessary block I/O quiesce for clock scaling" Manivannan Sadhasivam
2026-07-23 13:03 ` Konrad Dybcio
2026-07-23 13:06 ` sashiko-bot
2026-07-23 13:23 ` Peter Wang (王信友)
2026-07-23 19:15 ` Bart Van Assche
2026-07-24  1:10 ` Shawn Guo
2026-07-24 14:19 ` Bart Van Assche
2026-07-26  2:40   ` Shawn Guo
2026-07-26 13:44 ` David Heidelberg
2026-07-26 19:29 ` Martin K. Petersen [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=yq1fr151red.fsf@ca-mkp.ca.oracle.com \
    --to=martin.petersen@oracle.com \
    --cc=James.Bottomley@HansenPartnership.com \
    --cc=alim.akhtar@samsung.com \
    --cc=avri.altman@sandisk.com \
    --cc=bvanassche@acm.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=manivannan.sadhasivam@oss.qualcomm.com \
    --cc=peter.wang@mediatek.com \
    --cc=shengchao.guo@oss.qualcomm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.