diff options
| author | Bhupesh Sharma <bhupesh.linux@gmail.com> | 2024-09-30 14:44:30 +0200 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2024-10-14 08:55:28 +0200 |
| commit | 002afccdafdea6b6f0e4422e838649567b41e29d (patch) | |
| tree | 04331701501cf528e0c72180def5f645bb320be2 /drivers/ufs/ufs.c | |
| parent | fdd33a7f140a2473277f9e365bc709f2cf425f0b (diff) | |
| download | u-boot-002afccdafdea6b6f0e4422e838649567b41e29d.tar.gz | |
ufs: Clear UECPA once due to LINERESET has happened during LINK_STARTUP
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>
Tested-by: Julius Lehmann <lehmanju@devpi.de>
Link: https://lore.kernel.org/r/20240930-topic-ufs-enhancements-v3-8-58234f84ab89@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Diffstat (limited to 'drivers/ufs/ufs.c')
| -rw-r--r-- | drivers/ufs/ufs.c | 2 |
1 files changed, 2 insertions, 0 deletions
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) |