linux-kernel - [PATCH 5/7] backlight: lm3630a

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Message-Id: <20240304-backlight-probe-v1-5-e5f57d0df6e6@linaro.org>
Date: Mon, 04 Mar 2024 11:11:42 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Lee Jones <lee@...nel.org>, 
 Daniel Thompson <daniel.thompson@...aro.org>, 
 Jingoo Han <jingoohan1@...il.com>, Helge Deller <deller@....de>
Cc: dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 5/7] backlight: lm3630a_bl: Handle deferred probe

Don't pollute dmesg on deferred probe and simplify the code with
dev_err_probe().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/video/backlight/lm3630a_bl.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index a3412c936ca2..93fd6dbccc28 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -563,10 +563,9 @@ static int lm3630a_probe(struct i2c_client *client)
 	/* pwm */
 	if (pdata->pwm_ctrl != LM3630A_PWM_DISABLE) {
 		pchip->pwmd = devm_pwm_get(pchip->dev, "lm3630a-pwm");
-		if (IS_ERR(pchip->pwmd)) {
-			dev_err(&client->dev, "fail : get pwm device\n");
-			return PTR_ERR(pchip->pwmd);
-		}
+		if (IS_ERR(pchip->pwmd))
+			return dev_err_probe(&client->dev, PTR_ERR(pchip->pwmd),
+					     "fail : get pwm device\n");
 
 		pwm_init_state(pchip->pwmd, &pchip->pwmd_state);
 	}

-- 
2.34.1