diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs_quirks.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs_quirks.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h index 62ebd89fd787..ee4ab85e2801 100644 --- a/drivers/scsi/ufs/ufs_quirks.h +++ b/drivers/scsi/ufs/ufs_quirks.h @@ -18,7 +18,7 @@ /* return true if s1 is a prefix of s2 */ #define STR_PRFX_EQUAL(s1, s2) !strncmp(s1, s2, strlen(s1)) -#define UFS_ANY_VENDOR -1 +#define UFS_ANY_VENDOR 0xFFFF #define UFS_ANY_MODEL "ANY_MODEL" #define MAX_MODEL_LEN 16 @@ -119,16 +119,28 @@ struct ufs_dev_fix { */ #define UFS_DEVICE_NO_FASTAUTO (1 << 5) +/* + * It seems some UFS devices may keep drawing more than sleep current + * (atleast for 500us) from UFS rails (especially from VCCQ rail). + * To avoid this situation, add 2ms delay before putting these UFS + * rails in LPM mode. + */ +#define UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM (1 << 6) + struct ufs_hba; void ufs_advertise_fixup_device(struct ufs_hba *hba); static struct ufs_dev_fix ufs_fixups[] = { /* UFS cards deviations table */ + UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_FASTAUTO), + UFS_FIX(UFS_VENDOR_TOSHIBA, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9C8KBADG", UFS_DEVICE_QUIRK_PA_TACTIVATE), UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9D8KBADG", |