linux-kernel - [PATCH v8 1/3] leds: ktd2692: Avoid duplicate error messages on probe deferral

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Date:   Thu,  5 May 2022 18:25:16 +0300
From:   Markuss Broks <markuss.broks@...il.com>
To:     pavel@....cz
Cc:     Markuss Broks <markuss.broks@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v8 1/3] leds: ktd2692: Avoid duplicate error messages on probe deferral

Use dev_err_probe instead of dev_err to avoid duplicate error
messages if the GPIO allocation makes the probe defer.

Signed-off-by: Markuss Broks <markuss.broks@...il.com>
---
 drivers/leds/flash/leds-ktd2692.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/leds/flash/leds-ktd2692.c b/drivers/leds/flash/leds-ktd2692.c
index ed1f20a58bf6..8b99742cb68a 100644
--- a/drivers/leds/flash/leds-ktd2692.c
+++ b/drivers/leds/flash/leds-ktd2692.c
@@ -279,17 +279,13 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
 
 	led->ctrl_gpio = devm_gpiod_get(dev, "ctrl", GPIOD_ASIS);
 	ret = PTR_ERR_OR_ZERO(led->ctrl_gpio);
-	if (ret) {
-		dev_err(dev, "cannot get ctrl-gpios %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "cannot get ctrl-gpios\n");
 
 	led->aux_gpio = devm_gpiod_get(dev, "aux", GPIOD_ASIS);
 	ret = PTR_ERR_OR_ZERO(led->aux_gpio);
-	if (ret) {
-		dev_err(dev, "cannot get aux-gpios %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, PTR_ERR(led->aux_gpio), "cannot get aux-gpios\n");
 
 	led->regulator = devm_regulator_get(dev, "vin");
 	if (IS_ERR(led->regulator))
-- 
2.35.1