diff options
| author | Kiwoong Kim <kwmad.kim@samsung.com> | 2016-11-22 17:06:59 +0900 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-22 17:03:53 -0500 |
| commit | 75b1cc4ad63afa28c1a045b5157c008f405f06a9 (patch) | |
| tree | 91fa53c256b712270a6e591db8512f5ec60a5ed6 /drivers/scsi/ufs/ufshcd.h | |
| parent | a6854dff635ddde8403ae1dce4c6772eb1031827 (diff) | |
scsi: ufs: introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk
Some UFS host controllers may think granularities of PRDT length and
offset as bytes, not double words.
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 8e76501144d6..7d9ff22acfea 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -485,6 +485,12 @@ struct ufs_hba { */ #define UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION UFS_BIT(5) + /* + * This quirk needs to be enabled if the host contoller regards + * resolution of the values of PRDTO and PRDTL in UTRD as byte. + */ + #define UFSHCD_QUIRK_PRDT_BYTE_GRAN UFS_BIT(7) + unsigned int quirks; /* Deviations from standard UFSHCI spec. */ /* Device deviations from standard UFS device spec. */ |