diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index f8ab16f30fdc..07ca39008b84 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -551,13 +551,15 @@ struct ufs_dev_info { * @return: true if the lun has a matching unit descriptor, false otherwise */ static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info, - u8 lun) + u8 lun, u8 param_offset) { if (!dev_info || !dev_info->max_lu_supported) { 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); } |