On 2/23/2018 10:40 AM, Kyuho Choi wrote:
Hi Asutosh,
I've simple question in below.
On 2/21/18, Asutosh Das <asutoshd@xxxxxxxxxxxxxx> wrote:
From: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
Due to M-PHY issues, moving from HS to any other mode or gear or
even Hibern8 causes some un-predicted behavior of the device.
This patch fixes this issues.
Signed-off-by: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
Signed-off-by: Subhash Jadavani <subhashj@xxxxxxxxxxxxxx>
Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
Signed-off-by: Asutosh Das <asutoshd@xxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 011c336..d74d529 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4167,9 +4167,13 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
goto out;
} while (ret && retries--);
- if (ret)
+ if (ret) {
/* failed to get the link up... retire */
goto out;
+ } else {
+ ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 0);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 1);
+ }
Every ufs host has same issue and affected?.
if (link_startup_again) {
link_startup_again = false;
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center,
Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux
Foundation Collaborative Project.
Hi Choi
Thanks for the review.
No - I can't say if every host has the same issue. However, I get your
point. It could be done with a quirk.
I'll fix this in v2 after collating all the comments from the rest of
the patches.
-asd
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a
Linux Foundation Collaborative Project
