In ufs_qcom_power_up_sequence(), check return value of phy_set_mode_ext()
and stop proceeding if phy_set_mode_ext() fails.
Signed-off-by: Can Guo <quic_cang@xxxxxxxxxxx>
---
drivers/ufs/host/ufs-qcom.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 30f4ca6..9c0ebbc 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -475,7 +475,12 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
return ret;
}
- phy_set_mode_ext(phy, mode, host->phy_gear);
+ ret = phy_set_mode_ext(phy, mode, host->phy_gear);
+ if (ret) {
+ dev_err(hba->dev, "%s: phy set mode failed, ret = %d\n",
+ __func__, ret);
+ goto out_disable_phy;
+ }
/* power on phy - start serdes and phy's power and clocks */
ret = phy_power_on(phy);
--
2.7.4
