From: Bart Van Assche <bvanassche@acm.org>
To: "Peter Wang (王信友)" <peter.wang@mediatek.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"avri.altman@wdc.com" <avri.altman@wdc.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>
Cc: "Alice Chao (趙珮均)" <Alice.Chao@mediatek.com>,
"CC Chou (周志杰)" <cc.chou@mediatek.com>,
"Eddie Huang (黃智傑)" <eddie.huang@mediatek.com>,
"Ed Tsai (蔡宗軒)" <Ed.Tsai@mediatek.com>,
wsd_upstream <wsd_upstream@mediatek.com>,
"Chaotian Jing (井朝天)" <Chaotian.Jing@mediatek.com>,
"Chun-Hung Wu (巫駿宏)" <Chun-hung.Wu@mediatek.com>,
"Yi-fan Peng (彭羿凡)" <Yi-fan.Peng@mediatek.com>,
"Qilin Tan (谭麒麟)" <Qilin.Tan@mediatek.com>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"Jiajie Hao (郝加节)" <jiajie.hao@mediatek.com>,
"Lin Gui (桂林)" <Lin.Gui@mediatek.com>,
"Naomi Chu (朱詠田)" <Naomi.Chu@mediatek.com>,
"Tun-yu Yu (游敦聿)" <Tun-yu.Yu@mediatek.com>
Subject: Re: [PATCH v1] ufs: core: Fix runtime suspend error deadlock
Date: Wed, 24 Sep 2025 14:51:08 -0700 [thread overview]
Message-ID: <c2b02246-1ff4-4882-a856-4af888f1a80f@acm.org> (raw)
In-Reply-To: <2ab086da45acaab5ff6ff5117670a8ae65d2f0ca.camel@mediatek.com>
On 9/24/25 2:26 AM, Peter Wang (王信友) wrote:
> Are you saying that after the runtime suspend timer expires,
> the error handler might be triggered just before runtime suspend?
> I don't think this can happen, since there shouldn't be anything
> triggering the error handler when the bus has been idle for a long
> time.
Hi Peter,
The UFS error handler is not only triggered by bus errors. It can also
be activated via debugfs. Do you agree that activation via debugfs can
happen concurrently with runtime suspend?
Thanks,
Bart.
next prev parent reply other threads:[~2025-09-24 21:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-23 8:20 [PATCH v1] ufs: core: Fix runtime suspend error deadlock peter.wang
2025-09-23 16:07 ` Bart Van Assche
2025-09-24 9:26 ` Peter Wang (王信友)
2025-09-24 21:51 ` Bart Van Assche [this message]
2025-09-25 10:03 ` Peter Wang (王信友)
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