power/supply: ingenic-battery: Don't print error on -EPROBE_DEFER

Don't print an error message if devm_power_supply_register() returns
-EPROBE_DEFER, since the driver will simply re-probe later.

Signed-off-by: Paul Cercueil <[e-mail]>
Signed-off-by: Sebastian Reichel <[e-mail]>

drivers/power/supply/ingenic-battery.c

···
 
 	bat->battery = devm_power_supply_register(dev, desc, &psy_cfg);
 	if (IS_ERR(bat->battery)) {
-		dev_err(dev, "Unable to register battery\n");
+		if (PTR_ERR(bat->battery) != -EPROBE_DEFER)
+			dev_err(dev, "Unable to register battery\n");
 		return PTR_ERR(bat->battery);
 	}