From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Nitin Rawat <nitin.rawat@oss.qualcomm.com>
Cc: mani@kernel.org, James.Bottomley@HansenPartnership.com,
martin.petersen@oracle.com, bvanassche@acm.org,
konrad.dybcio@oss.qualcomm.com, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH V1] ufs: ufs-qcom: Fix UFS OCP issue during UFS power down(PC=3)
Date: Thu, 23 Oct 2025 22:08:14 -0400 [thread overview]
Message-ID: <yq1pladxdaj.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20251012173828.9880-1-nitin.rawat@oss.qualcomm.com> (Nitin Rawat's message of "Sun, 12 Oct 2025 23:08:28 +0530")
Nitin,
> To prevent this, a 10ms delay is added after asserting HWRST. This
> allows the reset operation to complete while power rails remain active
> and in high-power mode.
>
> Currently there is no way for Host to query whether the reset is
> completed or not and hence this the delay is based on experiments
> with Qualcomm UFS controllers across multiple UFS vendors.
Applied to 6.18/scsi-fixes, thanks!
--
Martin K. Petersen
next prev parent reply other threads:[~2025-10-24 2:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-12 17:38 [PATCH V1] ufs: ufs-qcom: Fix UFS OCP issue during UFS power down(PC=3) Nitin Rawat
2025-10-22 22:22 ` Nitin Rawat
2025-10-23 5:08 ` Manivannan Sadhasivam
2025-10-24 2:08 ` Martin K. Petersen [this message]
2025-10-24 3:09 ` Martin K. Petersen
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=yq1pladxdaj.fsf@ca-mkp.ca.oracle.com \
--to=martin.petersen@oracle.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=bvanassche@acm.org \
--cc=konrad.dybcio@oss.qualcomm.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=mani@kernel.org \
--cc=nitin.rawat@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox