linux-kernel - Re: [PATCH 1/1] scsi: ufs: core: Fix EH failure after wlun resume error

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Message-ID: <yq1cy50zjy5.fsf@ca-mkp.ca.oracle.com>
Date: Sat, 29 Nov 2025 15:02:24 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Po-Wen Kao <powenkao@...gle.com>
Cc: Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman
 <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        "James E.J.
 Bottomley" <James.Bottomley@...senPartnership.com>,
        "Martin K. Petersen"
 <martin.petersen@...cle.com>,
        Peter Wang <peter.wang@...iatek.com>, Bean
 Huo <beanhuo@...ron.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        "Bao
 D. Nguyen" <quic_nguyenb@...cinc.com>,
        Adrian Hunter
 <adrian.hunter@...el.com>,
        "open list:UNIVERSAL FLASH STORAGE HOST
 CONTROLLER DRIVER" <linux-scsi@...r.kernel.org>,
        open list
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] scsi: ufs: core: Fix EH failure after wlun resume
 error


Po-Wen,

> When a W-LUN resume fails, its parent devices in the SCSI hierarchy,
> including the scsi_target, may be runtime suspended. Subsequently, the
> error handler in ufshcd_recover_pm_error() fails to set the W-LUN
> device back to active because the parent target is not active. This
> results in the following errors:

Applied to 6.19/scsi-staging, thanks!

-- 
Martin K. Petersen