linux-kernel - [PATCH 1/4] leds: lm3692x: Simplify with dev_err

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Message-Id: <20200826145013.10230-1-krzk@kernel.org>
Date:   Wed, 26 Aug 2020 16:50:10 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 1/4] leds: lm3692x: 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/leds/leds-lm3692x.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index e1e2d2b64a56..1d7ea1b76a12 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -394,13 +394,10 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
 	led->regulator = devm_regulator_get_optional(&led->client->dev, "vled");
 	if (IS_ERR(led->regulator)) {
 		ret = PTR_ERR(led->regulator);
-		if (ret != -ENODEV) {
-			if (ret != -EPROBE_DEFER)
-				dev_err(&led->client->dev,
-					"Failed to get vled regulator: %d\n",
-					ret);
-			return ret;
-		}
+		if (ret != -ENODEV)
+			return dev_err_probe(&led->client->dev, ret,
+					     "Failed to get vled regulator\n");
+
 		led->regulator = NULL;
 	}
 
-- 
2.17.1