scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
authorSujit Reddy Thumma <sthumma@codeaurora.org>
Wed, 24 Jan 2018 04:22:35 +0000 (09:52 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 May 2018 14:13:06 +0000 (16:13 +0200)
[ 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>
drivers/scsi/ufs/ufshcd.c

index 2e9341233f666f5e0b0a62449d5cf8ffefa3522d..98a7111dd53f933a5bc0a88d178448b1ca4926fd 100644 (file)
@@ -3338,6 +3338,8 @@ 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);