This is a note to let you know that I've just added the patch titled
scsi: ufs: ufs-exynos: Apply vendor-specific values for three timeouts
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-ufs-ufs-exynos-apply-vendor-specific-values-for.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7194800b6853e94f45c716728a05e9a62077916b
Author: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>
Date: Mon Dec 21 10:24:41 2020 +0900
scsi: ufs: ufs-exynos: Apply vendor-specific values for three timeouts
[ 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@xxxxxxxxxxx
Signed-off-by: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index a8770ff14588..5ca21d1550df 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -640,6 +640,11 @@ 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;
@@ -1236,7 +1241,8 @@ 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 |
