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Bottomley" , "Martin K. Petersen" , Stanley Chu , Bean Huo , Tomas Winkler , Venkat Gopalakrishnan , Subhash Jadavani , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 1/7] scsi: ufs: Add device reset in link recovery path Date: Sun, 3 Nov 2019 17:35:56 -0800 Message-Id: <1572831362-22779-2-git-send-email-cang@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1572831362-22779-1-git-send-email-cang@codeaurora.org> References: <1572831362-22779-1-git-send-email-cang@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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