diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2016-12-05 19:25:32 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-12-08 17:00:11 -0500 |
| commit | 56d4a1866d748732fd8d690b2c2156bbc9c9eb02 (patch) | |
| tree | 330f2d414d6d0afc8a390165f48999941c4ab32f /drivers/scsi/ufs/ufshcd.c | |
| parent | ab436706e4a86719595012424ecefbdf4a84cc30 (diff) | |
scsi: ufs: add quirk to increase host PA_SaveConfigTime
The maximum value PA_SaveConfigTime is 250 (10us) but this is not enough
for some vendors. Gear switch from PWM to HS may fail even with this
max. PA_SaveConfigTime. Gear switch can be issued by host controller as
an error recovery and any software delay will not help on this case so
we need to increase PA_SaveConfigTime to >32us as per vendor
recommendation. This change adds a quirk to increase the
PA_SaveConfigTime parameter.
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/ufshcd.c')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 7af70aa0b750..af7e0285f004 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -185,6 +185,30 @@ ufs_get_pm_lvl_to_link_pwr_state(enum ufs_pm_level lvl) return ufs_pm_lvl_states[lvl].link_state; } +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_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", + UFS_DEVICE_QUIRK_PA_TACTIVATE), + UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9D8KBADG", + UFS_DEVICE_QUIRK_PA_TACTIVATE), + UFS_FIX(UFS_VENDOR_SKHYNIX, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), + UFS_FIX(UFS_VENDOR_SKHYNIX, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_HOST_PA_SAVECONFIGTIME), + + END_FIX +}; + static void ufshcd_tmc_handler(struct ufs_hba *hba); static void ufshcd_async_scan(void *data, async_cookie_t cookie); static int ufshcd_reset_and_restore(struct ufs_hba *hba); @@ -5213,6 +5237,8 @@ static void ufshcd_tune_unipro_params(struct ufs_hba *hba) if (hba->dev_quirks & UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE) ufshcd_quirk_tune_host_pa_tactivate(hba); + + ufshcd_vops_apply_dev_quirks(hba); } /** |