From: Bhupesh Sharma bhupesh.linux@gmail.com
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 bhupesh.sharma@linaro.org Tested-by: Venkatesh Yadav Abbarapu venkatesh.abbarapu@amd.com --- 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)