[PATCH 5.10 36/49] scsi: ufs: ufs-exynos: Apply vendor-specific values for three timeouts

gregkh
2021-03-10T13:28:23Z

From: Kiwoong Kim <kwmad.kim@samsung.com>

[ Upstream commit a967ddb22d94eb476ccef983b5f2730fa4d184d0 ]

Set optimized values for the following timeouts:

- FC0_PROTECTION_TIMER
- TC0_REPLAY_TIMER
- AFC0_REQUEST_TIMER

Exynos doesn't yet use traffic class #1.

Link: https://lore.kernel.org/r/a0ff44f665a4f31d2f945fd71de03571204c576c.1608513782.git.kwmad.kim@samsung.com
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/ufs/ufs-exynos.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 5e6b95dbb578..2993ac877a61 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -653,6 +653,11 @@ static int exynos_ufs_pre_pwr_mode(struct ufs_hba *hba,
}
}

+ /* setting for three timeout values for traffic class #0 */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), 8064);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), 28224);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), 20160);
+
return 0;
out:
return ret;
@@ -1249,7 +1254,8 @@ struct exynos_ufs_drv_data exynos_ufs_drvs = {
UFSHCI_QUIRK_BROKEN_HCE |
UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR |
UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
- UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL,
+ UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL |
+ UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING,
.opts = EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL |
EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX |
--
2.30.1