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@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>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index a8770ff14588374c883190a55ef091295b184c73..5ca21d1550df8598be5160dc51fa907fddce20cc 100644 (file)
--- 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 |