linux-kernel - [PATCH 4/5] power: supply: ingenic: Simplify with dev_err

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Message-Id: <20200826144858.9584-4-krzk@kernel.org>
Date:   Wed, 26 Aug 2020 16:48:57 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Pali Rohár <pali@...nel.org>,
        "Andrew F. Davis" <afd@...com>, Sebastian Reichel <sre@...nel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        David Lechner <david@...hnology.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4/5] 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@...nel.org>
---
 drivers/power/supply/ingenic-battery.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/ingenic-battery.c
index dd3d93dfe3eb..32dc77fd9a95 100644
--- 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) {
-- 
2.17.1