power: supply: ingenic: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/ingenic-battery.c
index dd3d93d..32dc77f 100644 (file)
--- a/drivers/power/supply/ingenic-battery.c
+++ b/drivers/power/supply/ingenic-battery.c
@@ -147,11 +147,9 @@ static int ingenic_battery_probe(struct platform_device *pdev)
        psy_cfg.of_node = dev->of_node;
 
        bat->battery = devm_power_supply_register(dev, desc, &psy_cfg);
-       if (IS_ERR(bat->battery)) {
-               if (PTR_ERR(bat->battery) != -EPROBE_DEFER)
-                       dev_err(dev, "Unable to register battery\n");
-               return PTR_ERR(bat->battery);
-       }
+       if (IS_ERR(bat->battery))
+               return dev_err_probe(dev, PTR_ERR(bat->battery),
+                                    "Unable to register battery\n");
 
        ret = power_supply_get_battery_info(bat->battery, &bat->info);
        if (ret) {