phy: samsung-ufs: ufs: exit on first reported error

To preserve the err value, exit the loop immediately if an error
is returned.

Fixes: f2c6d0f ("phy: samsung-ufs: use exynos_get_pmu_regmap_by_phandle() to obtain PMU regmap")
Signed-off-by: Peter Griffin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: petegriffin

drivers/phy/samsung/phy-samsung-ufs.c

@@ -99,12 +99,18 @@ static int samsung_ufs_phy_calibrate(struct phy *phy)
 
 	for_each_phy_lane(ufs_phy, i) {
 		if (ufs_phy->ufs_phy_state == CFG_PRE_INIT &&
-		    ufs_phy->drvdata->wait_for_cal)
+		    ufs_phy->drvdata->wait_for_cal) {
 			err = ufs_phy->drvdata->wait_for_cal(phy, i);
+			if (err)
+				goto out;
+		}
 
 		if (ufs_phy->ufs_phy_state == CFG_POST_PWR_HS &&
-		    ufs_phy->drvdata->wait_for_cdr)
+		    ufs_phy->drvdata->wait_for_cdr) {
 			err = ufs_phy->drvdata->wait_for_cdr(phy, i);
+			if (err)
+				goto out;
+		}
 	}
 
 	/**