From: Asutosh Das <asutoshd@codeaurora.org>
To: subhashj@codeaurora.org, cang@codeaurora.org,
vivek.gautam@codeaurora.org, rnayak@codeaurora.org,
vinholikatti@gmail.com, jejb@linux.vnet.ibm.com,
martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org, Yaniv Gardi <ygardi@codeaurora.org>,
Asutosh Das <asutoshd@codeaurora.org>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 1/9] scsi: ufs: Allowing power mode change
Date: Wed, 21 Feb 2018 10:26:32 +0530 [thread overview]
Message-ID: <70df05c82a8624987c76b16c65143f00a111c94d.1519120988.git.asutoshd@codeaurora.org> (raw)
In-Reply-To: <cover.1519120988.git.asutoshd@codeaurora.org>
In-Reply-To: <cover.1519120988.git.asutoshd@codeaurora.org>
From: Yaniv Gardi <ygardi@codeaurora.org>
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@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
---
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);
+ }
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.
next parent reply other threads:[~2018-02-21 5:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1519120988.git.asutoshd@codeaurora.org>
2018-02-21 4:56 ` Asutosh Das [this message]
2018-02-23 5:10 ` Kyuho Choi
2018-02-23 7:03 ` Asutosh Das (asd)
2018-02-21 4:56 ` [PATCH 2/9] scsi: ufs: Add LCC quirk for host and device Asutosh Das
2018-02-21 4:56 ` [PATCH 3/9] scsi: ufs: fix exception event handling Asutosh Das
2018-02-21 4:56 ` [PATCH 4/9] scsi: ufshcd: fix possible unclocked register access Asutosh Das
2018-02-21 4:56 ` [PATCH 5/9] scsi: ufs: add reference counting for scsi block requests Asutosh Das
2018-02-21 13:18 ` Stanislav Nijnikov
2018-02-23 2:31 ` Asutosh Das (asd)
2018-02-21 4:56 ` [PATCH 6/9] scsi: ufs-qcom: remove broken hci version quirk Asutosh Das
2018-02-21 4:56 ` [PATCH 7/9] scsi: ufs: make sure all interrupts are processed Asutosh Das
2018-02-21 4:56 ` [PATCH 8/9] scsi: ufs: fix irq return code Asutosh Das
2018-02-21 4:56 ` [PATCH 9/9] scsi: ufs: Add clock ungating to a separate workqueue Asutosh Das
2018-02-23 23:57 ` Miguel Ojeda
2018-02-26 3:55 ` Asutosh Das (asd)
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