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| author | subhashj@codeaurora.org <subhashj@codeaurora.org> | 2016-11-23 16:32:08 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-29 12:06:56 -0500 |
| commit | c6a6db439868c7ba5cc90d4c461d9697ec731fa1 (patch) | |
| tree | 129a88881d4c026a1b02fd23c1ed73206d71794f /drivers/scsi/ufs/ufs_quirks.h | |
| parent | 10fe5888a40e6afbf1f3166c212c685624cae26b (diff) | |
| download | linux-c6a6db439868c7ba5cc90d4c461d9697ec731fa1.tar.bz2 | |
scsi: ufs: ensure that host pa_tactivate is higher than device
Some UFS devices require host PA_TACTIVATE to be higher than
device PA_TACTIVATE otherwise it may get stuck during hibern8 sequence.
This change allows this by using quirk.
Reviewed-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufs_quirks.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs_quirks.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h index 22f881e9253a..f7983058f3f7 100644 --- a/drivers/scsi/ufs/ufs_quirks.h +++ b/drivers/scsi/ufs/ufs_quirks.h @@ -128,6 +128,13 @@ struct ufs_dev_fix { */ #define UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM (1 << 6) +/* + * Some UFS devices require host PA_TACTIVATE to be lower than device + * PA_TACTIVATE, enabling this quirk ensure this. + */ +#define UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE (1 << 7) + + struct ufs_hba; void ufs_advertise_fixup_device(struct ufs_hba *hba); @@ -140,6 +147,8 @@ static struct ufs_dev_fix ufs_fixups[] = { UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_FASTAUTO), + UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE), UFS_FIX(UFS_VENDOR_TOSHIBA, UFS_ANY_MODEL, UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9C8KBADG", |