Hi Bean Huo,
I think ufs_is_valid_unit_desc_lun() is also used for wb_buf_alloc_units_show() in ufs-sysfs.c.
So just removing this if-checkup will make different result when check lun value.
Thanks,
Daejun
>From: Bean Huo <beanhuo@xxxxxxxxxx>
>
>LUs with WB potential support are properly checked in ufshcd_wb_probe()
>before calling ufshcd_read_unit_desc_param(), so remove this unnecessary
>if-checkup in ufs_is_valid_unit_desc_lun() to match its function definition.
>
>Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx>
>---
> drivers/ufs/core/ufshcd-priv.h | 3 ---
> 1 file changed, 3 deletions(-)
>
>diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h
>index f68ca33f6ac7..2457b005101a 100644
>--- a/drivers/ufs/core/ufshcd-priv.h
>+++ b/drivers/ufs/core/ufshcd-priv.h
>@@ -300,9 +300,6 @@ static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info,
> pr_err("Max General LU supported by UFS isn't initialized\n");
> return false;
> }
>- /* WB is available only for the logical unit from 0 to 7 */
>- if (param_offset == UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS)
>- return lun < UFS_UPIU_MAX_WB_LUN_ID;
> return lun == UFS_UPIU_RPMB_WLUN || (lun < dev_info->max_lu_supported);
> }
>
>--
>2.34.1
