4.4-stable review patch. If anyone has any objections, please let me know.
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From: Sujit Reddy Thumma sthumma@codeaurora.org
[ 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 | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2923,6 +2923,8 @@ 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);