From: Bhupesh Sharma <[email protected]>
Clear UECPA once in u-boot UFS driver due to LINERESET has happened
during LINK_STARTUP. This makes the u-boot ufs driver behavior related
to UECPA similar to Linux UFS driver.
Ported from Linux kernel commit:
2355b66ed20c ("scsi: ufs: Handle LINERESET indication in err handler")
Signed-off-by: Bhupesh Sharma <[email protected]>
Tested-by: Venkatesh Yadav Abbarapu <[email protected]>
---
drivers/ufs/ufs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c
index d99dcdef7d0..565a6af1404 100644
--- a/drivers/ufs/ufs.c
+++ b/drivers/ufs/ufs.c
@@ -504,6 +504,8 @@ link_startup:
if (ret)
goto out;
+ /* Clear UECPA once due to LINERESET has happened during LINK_STARTUP */
+ ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER);
ret = ufshcd_make_hba_operational(hba);
out:
if (ret)
--
2.34.1
