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scsi: ufs: Move the ufs_is_valid_unit_desc_lun() definition

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Move the definition of this function from a public into a private header
file since it is only used inside the UFS core.

Link: https://lore.kernel.org/r/20220419225811.4127248-29-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2022-04-19 15:58:11 -07:00 committed by Martin K. Petersen
parent 743b09d854
commit a8b032b5b3
2 changed files with 19 additions and 19 deletions
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19
drivers/scsi/ufs/ufs.h
View File

@ -620,23 +620,4 @@ enum ufs_trace_tsf_t {
UFS_TSF_CDB, UFS_TSF_OSF, UFS_TSF_TM_INPUT, UFS_TSF_TM_OUTPUT
};
/**
* ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor
* @dev_info: pointer of instance of struct ufs_dev_info
* @lun: LU number to check
* @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 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);
}
#endif /* End of Header */

19
drivers/scsi/ufs/ufshcd-priv.h
View File

@ -276,4 +276,23 @@ static inline int ufshcd_rpm_put(struct ufs_hba *hba)
return pm_runtime_put(&hba->ufs_device_wlun->sdev_gendev);
}
/**
* ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor
* @dev_info: pointer of instance of struct ufs_dev_info
* @lun: LU number to check
* @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 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);
}
#endif /* _UFSHCD_PRIV_H_ */