* [PATCH 1/1] scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
@ 2018-01-24 4:22 Asutosh Das
2018-01-31 2:21 ` Martin K. Petersen
0 siblings, 1 reply; 2+ messages in thread
From: Asutosh Das @ 2018-01-24 4:22 UTC (permalink / raw)
To: subhashj, cang, vivek.gautam, vinholikatti, jejb, martin.petersen
Cc: linux-scsi, Sujit Reddy Thumma, Asutosh Das, open list
From: Sujit Reddy Thumma <sthumma@codeaurora.org>
WRITE_SAME command is not supported by UFS. Enable a quirk for
the upper level drivers to not send WRITE SAME command.
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>
---
drivers/scsi/ufs/ufshcd.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 8af2af3..5a8dc3b 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4356,6 +4356,9 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev)
/* WRITE_SAME command is not supported*/
sdev->no_write_same = 1;
+ /* WRITE_SAME command is not supported*/
+ sdev->no_write_same = 1;
+
ufshcd_set_queue_depth(sdev);
ufshcd_get_lu_power_on_wp_status(hba, sdev);
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
2018-01-24 4:22 [PATCH 1/1] scsi: ufs: Enable quirk to ignore sending WRITE_SAME command Asutosh Das
@ 2018-01-31 2:21 ` Martin K. Petersen
0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2018-01-31 2:21 UTC (permalink / raw)
To: Asutosh Das
Cc: subhashj, cang, vivek.gautam, vinholikatti, jejb,
martin.petersen, linux-scsi, Sujit Reddy Thumma, open list
Asutosh,
> /* WRITE_SAME command is not supported*/
> sdev->no_write_same = 1;
>
> + /* WRITE_SAME command is not supported*/
> + sdev->no_write_same = 1;
> +
Uhm...
I applied this change to 4.16/scsi-fixes by hand.
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 2+ messages in thread
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