From: HeonGwang Chu <hg.chu@samsung.com>
Date: Wed, 5 Jul 2017 04:27:05 +0000 (+0900)
Subject: [COMMON] scsi: ufs: Fix problems in clock enable fail and hibern8 fail cases
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1ac4ae4ac4a981ddf53c543a39526d7820042f61;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[COMMON] scsi: ufs: Fix problems in clock enable fail and hibern8 fail cases

We delete the clearing of saved_err and saved_uic_err in hibern8 ctrl and
add recovery method when ufs clock enable fail cases.These cases had happened
in the previous soc versions.

Change-Id: Ia8dc78c58cd89030075fb63cc29e015bdb8411fa
Signed-off-by: HeonGwang Chu <hg.chu@samsung.com>
---

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index fbf2e95e2a85..06577599c515 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4025,16 +4025,8 @@ static int ufshcd_link_hibern8_ctrl(struct ufs_hba *hba, bool en)
 	else
 		ret = ufshcd_uic_hibern8_exit(hba);
 
-
-	if (ret || (hba->saved_err & INT_FATAL_ERRORS) ||
-		((hba->saved_err & UIC_ERROR) &&
-		((hba->saved_uic_err & UFSHCD_UIC_DL_PA_INIT_ERROR) ||
-		(hba->saved_uic_err & UFSHCD_UIC_DL_ERROR)))) {
-
-		if (!ret)
-			ret = hba->saved_err;
+	if (ret)
 		goto out;
-	}
 
 	if (hba->monitor.flag & UFSHCD_MONITOR_LEVEL2) {
 		if (en)