regulator: rk808: Use dev_err_probe

Print error message for potential EPROBE_DEFER error using
dev_err_probe, which captures the reason in
/sys/kernel/debug/devices_deferred and otherwise silences
the message.

Signed-off-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: sre

drivers/regulator/rk808-regulator.c

@@ -1343,11 +1343,9 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 	for (i = 0; i < nregulators; i++) {
 		rk808_rdev = devm_regulator_register(&pdev->dev,
 						     &regulators[i], &config);
-		if (IS_ERR(rk808_rdev)) {
-			dev_err(&pdev->dev,
-				"failed to register %d regulator\n", i);
-			return PTR_ERR(rk808_rdev);
-		}
+		if (IS_ERR(rk808_rdev))
+			return dev_err_probe(&pdev->dev, PTR_ERR(rk808_rdev),
+					     "failed to register %d regulator\n", i);
 	}
 
 	return 0;