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Date: Sun, 3 Nov 2019 17:35:56 -0800 From: Can Guo <cang@...eaurora.org> To: asutoshd@...eaurora.org, nguyenb@...eaurora.org, rnayak@...eaurora.org, linux-scsi@...r.kernel.org, kernel-team@...roid.com, saravanak@...gle.com, salyzyn@...gle.com, cang@...eaurora.org Cc: Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>, Pedro Sousa <pedrom.sousa@...opsys.com>, "James E.J. Bottomley" <jejb@...ux.ibm.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, Stanley Chu <stanley.chu@...iatek.com>, Bean Huo <beanhuo@...ron.com>, Tomas Winkler <tomas.winkler@...el.com>, Venkat Gopalakrishnan <venkatg@...eaurora.org>, Subhash Jadavani <subhashj@...eaurora.org>, linux-kernel@...r.kernel.org (open list) Subject: [PATCH v2 1/7] scsi: ufs: Add device reset in link recovery path In order to recover from hibern8 exit failure, perform a reset in link recovery path before issuing link start-up. Signed-off-by: Can Guo <cang@...eaurora.org> --- drivers/scsi/ufs/ufshcd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index c28c144..525f8e6 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3859,6 +3859,9 @@ static int ufshcd_link_recovery(struct ufs_hba *hba) ufshcd_set_eh_in_progress(hba); spin_unlock_irqrestore(hba->host->host_lock, flags); + /* Reset the attached device */ + ufshcd_vops_device_reset(hba); + ret = ufshcd_host_reset_and_restore(hba); spin_lock_irqsave(hba->host->host_lock, flags); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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