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UPSTREAM: scsi: ufs: Update comment in the function ufshcd_wb_probe()

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USFHCD supports both WriteBooster "LU dedicated buffer" mode and "shared
buffer" mode. Update the comment accordingly in the function
ufshcd_wb_probe().

Link: https://lore.kernel.org/r/20210119163847.20165-4-huobean@gmail.com
Reviewed-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit ae1ce1fc61)
Bug: 204438323
Change-Id: Ie812740fca47d92cbf62b5888ab902a30cf9c61f
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Bean Huo
2021-01-19 17:38:44 +01:00
committed by Bart Van Assche
parent b59267e60b
commit 2e2448cd34
1 changed files with 3 additions and 4 deletions
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7
drivers/scsi/ufs/ufshcd.c
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@@ -7431,10 +7431,9 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf)
goto wb_disabled;
/*
* WB may be supported but not configured while provisioning.
* The spec says, in dedicated wb buffer mode,
* a max of 1 lun would have wb buffer configured.
* Now only shared buffer mode is supported.
* WB may be supported but not configured while provisioning. The spec
* says, in dedicated wb buffer mode, a max of 1 lun would have wb
* buffer configured.
*/
dev_info->b_wb_buffer_type =
desc_buf[DEVICE_DESC_PARAM_WB_TYPE];