From: Sujit Reddy Thumma <sthumma@codeaurora.org>
Date: Wed, 24 Jan 2018 04:22:35 +0000 (+0530)
Subject: scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
X-Git-Tag: v3.18.111~138
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1da0681380798b41437351cc788e0213a5c5cb47;p=thirdparty%2Fkernel%2Fstable.git

scsi: ufs: Enable quirk to ignore sending WRITE_SAME command

[ Upstream commit 84af7e8b895088d89f246d6b0f82717fafdebf61 ]

WRITE_SAME command is not supported by UFS. Enable a quirk for the upper
level drivers to not send WRITE SAME command.

[mkp: botched patch, applied by hand]

Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 64ee59685aacf..d5fbf2e228f90 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2795,6 +2795,8 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev)
 	/* REPORT SUPPORTED OPERATION CODES is not supported */
 	sdev->no_report_opcodes = 1;
 
+	/* WRITE_SAME command is not supported */
+	sdev->no_write_same = 1;
 
 	ufshcd_set_queue_depth(sdev);