From: Stanley Chu <stanley.chu@mediatek.com>
To: Can Guo <cang@codeaurora.org>
Cc: <asutoshd@codeaurora.org>, <nguyenb@codeaurora.org>,
<hongwus@codeaurora.org>, <rnayak@codeaurora.org>,
<linux-scsi@vger.kernel.org>, <kernel-team@android.com>,
<saravanak@google.com>, <salyzyn@google.com>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Bean Huo <beanhuo@micron.com>,
"Bart Van Assche" <bvanassche@acm.org>,
Venkat Gopalakrishnan <venkatg@codeaurora.org>,
Tomas Winkler <tomas.winkler@intel.com>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] scsi: ufs: Do not rely on prefetched data
Date: Mon, 16 Mar 2020 21:47:34 +0800 [thread overview]
Message-ID: <1584366454.14250.12.camel@mtksdccf07> (raw)
In-Reply-To: <1584342373-10282-3-git-send-email-cang@codeaurora.org>
Hi Can,
On Mon, 2020-03-16 at 00:06 -0700, Can Guo wrote:
> We were setting bActiveICCLevel attribute for UFS device only once but
> type of this attribute has changed from persistent to volatile since UFS
> device specification v2.1. This attribute is set to the default value after
> power cycle or hardware reset event. It isn't safe to rely on prefetched
> data (only used for bActiveICCLevel attribute now). Hence this change
> removes the code related to data prefetching and set this parameter on
> every attempt to probe the UFS device.
>
> Signed-off-by: Can Guo <cang@codeaurora.org>
Reviewed and Tested by: Stanley Chu <stanley.chu@mediatek.com>
next prev parent reply other threads:[~2020-03-16 13:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 7:06 [PATCH v4 0/2] UFS driver general fixes bundle 2 Can Guo
2020-03-16 7:06 ` [PATCH 1/2] scsi: ufs: Clean up ufshcd_scale_clks() and clock scaling error out path Can Guo
2020-03-18 8:19 ` Avri Altman
2020-03-25 8:56 ` Can Guo
[not found] ` <1584342373-10282-3-git-send-email-cang@codeaurora.org>
2020-03-16 13:47 ` Stanley Chu [this message]
2020-03-18 8:36 ` [PATCH 2/2] scsi: ufs: Do not rely on prefetched data Avri Altman
-- strict thread matches above, loose matches on Subject: below --
2020-03-16 6:20 [PATCH v3 0/2] UFS driver general fixes bundle 2 Can Guo
2020-03-16 6:20 ` [PATCH 2/2] scsi: ufs: Do not rely on prefetched data Can Guo
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=1584366454.14250.12.camel@mtksdccf07 \
--to=stanley.chu@mediatek.com \
--cc=alim.akhtar@samsung.com \
--cc=asutoshd@codeaurora.org \
--cc=avri.altman@wdc.com \
--cc=beanhuo@micron.com \
--cc=bjorn.andersson@linaro.org \
--cc=bvanassche@acm.org \
--cc=cang@codeaurora.org \
--cc=hongwus@codeaurora.org \
--cc=jejb@linux.ibm.com \
--cc=kernel-team@android.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=nguyenb@codeaurora.org \
--cc=rnayak@codeaurora.org \
--cc=salyzyn@google.com \
--cc=saravanak@google.com \
--cc=tomas.winkler@intel.com \
--cc=venkatg@codeaurora.org \
/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.