4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sujit Reddy Thumma <[email protected]>

[ 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 <[email protected]>
Signed-off-by: Subhash Jadavani <[email protected]>
Signed-off-by: Asutosh Das <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/scsi/ufs/ufshcd.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3338,6 +3338,8 @@ static int ufshcd_slave_alloc(struct scs
        /* 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);
 


Reply via email to