From: hongwus@codeaurora.org
To: Can Guo <cang@codeaurora.org>
Cc: asutoshd@codeaurora.org, nguyenb@codeaurora.org,
rnayak@codeaurora.org, linux-scsi@vger.kernel.org,
kernel-team@android.com, saravanak@google.com,
salyzyn@google.com, Sayali Lokhande <sayalil@codeaurora.org>,
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>,
Stanley Chu <stanley.chu@mediatek.com>,
Bean Huo <beanhuo@micron.com>,
Bart Van Assche <bvanassche@acm.org>,
Venkat Gopalakrishnan <venkatg@codeaurora.org>,
Tomas Winkler <tomas.winkler@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 1/7] scsi: ufs: Flush exception event before suspend
Date: Fri, 14 Feb 2020 10:48:35 +0800 [thread overview]
Message-ID: <935eca44a8090631687a2fa298bcd595@codeaurora.org> (raw)
In-Reply-To: <1581392451-28743-2-git-send-email-cang@codeaurora.org>
On 2020-02-11 11:40, Can Guo wrote:
> From: Sayali Lokhande <sayalil@codeaurora.org>
>
> Exception event can be raised by the device when system
> suspend is in progress. This will result in unclocked
> register access in exception event handler as clocks will
> be turned off during suspend. This change makes sure to flush
> exception event handler work in suspend before disabling
> clocks to avoid unclocked register access issue.
>
> Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
> Signed-off-by: Can Guo <cang@codeaurora.org>
> Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Hongwu Su <hongwus@micron.com>
next prev parent reply other threads:[~2020-02-14 2:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-11 3:40 [PATCH v10 0/7] UFS driver general fixes bundle 4 Can Guo
2020-02-11 3:40 ` [PATCH v10 1/7] scsi: ufs: Flush exception event before suspend Can Guo
2020-02-14 2:48 ` hongwus [this message]
2020-02-11 3:40 ` [PATCH v10 2/7] scsi: ufs: set load before setting voltage in regulators Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` [PATCH v10 3/7] scsi: ufs-qcom: Adjust bus bandwidth voting and unvoting Can Guo
2020-02-11 3:40 ` [PATCH v10 4/7] scsi: ufs: Remove the check before call setup clock notify vops Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` [PATCH v10 5/7] scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` [PATCH v10 6/7] scsi: ufs: Add dev ref clock gating wait time support Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` Can Guo
2020-02-11 3:40 ` [PATCH v10 7/7] scsi: ufs-qcom: Delay specific time before gate ref clk Can Guo
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