From ebdd1dfde5d2c9b2532ee5b393d66d8bc5f56177 Mon Sep 17 00:00:00 2001
From: Can Guo <cang@codeaurora.org>
Date: Thu, 14 Nov 2019 22:09:24 -0800
Subject: 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.

Link: https://lore.kernel.org/r/1573798172-20534-2-git-send-email-cang@codeaurora.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/ufs/ufshcd.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/scsi')

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 977d0c6fef95..e644e1e29c91 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);
-- 
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