diff mbox series

[v2,2/3] backlight: mp3309c: use dev_err_probe() instead of dev_err()

Message ID 20240201151537.367218-3-andriy.shevchenko@linux.intel.com (mailing list archive)
State Handled Elsewhere
Headers show
Series backlight: mp3309c: Allow to use on non-OF platforms | expand

Commit Message

Andy Shevchenko Feb. 1, 2024, 3:14 p.m. UTC 
Replace dev_err() with dev_err_probe().

This helps in simplifing code and standardizing the error output.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/video/backlight/mp3309c.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

Comments

Daniel Thompson Feb. 2, 2024, 10:28 a.m. UTC | #1 
On Thu, Feb 01, 2024 at 05:14:14PM +0200, Andy Shevchenko wrote:
> Replace dev_err() with dev_err_probe().
>
> This helps in simplifing code and standardizing the error output.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.
Flavio Suligoi Feb. 2, 2024, 10:48 a.m. UTC | #2 
Hi Andy,

> Replace dev_err() with dev_err_probe().
> 
> This helps in simplifing code and standardizing the error output.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Tested-by: Flavio Suligoi <f.suligoi@asem.it>

Flavio
diff mbox series

Patch

diff --git a/drivers/video/backlight/mp3309c.c b/drivers/video/backlight/mp3309c.c
index 762bd738c903..2d6bd1a180b3 100644
--- a/drivers/video/backlight/mp3309c.c
+++ b/drivers/video/backlight/mp3309c.c
@@ -208,10 +208,8 @@  static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
 	unsigned int num_levels, tmp_value;
 	struct device *dev = chip->dev;
 
-	if (!dev_fwnode(dev)) {
-		dev_err(dev, "failed to get firmware node\n");
-		return -ENODEV;
-	}
+	if (!dev_fwnode(dev))
+		return dev_err_probe(dev, -ENODEV, "failed to get firmware node\n");
 
 	/*
 	 * Dimming mode: the MP3309C provides two dimming control mode:
@@ -287,8 +285,7 @@  static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
 	if (ret)
 		pdata->default_brightness = pdata->max_brightness;
 	if (pdata->default_brightness > pdata->max_brightness) {
-		dev_err(chip->dev,
-			"default brightness exceeds max brightness\n");
+		dev_err_probe(dev, -ERANGE, "default brightness exceeds max brightness\n");
 		pdata->default_brightness = pdata->max_brightness;
 	}
 
@@ -329,16 +326,15 @@  static int mp3309c_parse_fwnode(struct mp3309c_chip *chip,
 
 static int mp3309c_probe(struct i2c_client *client)
 {
-	struct mp3309c_platform_data *pdata = dev_get_platdata(&client->dev);
+	struct device *dev = &client->dev;
+	struct mp3309c_platform_data *pdata = dev_get_platdata(dev);
 	struct mp3309c_chip *chip;
 	struct backlight_properties props;
 	struct pwm_state pwmstate;
 	int ret;
 
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
-		dev_err(&client->dev, "failed to check i2c functionality\n");
-		return -EOPNOTSUPP;
-	}
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+		return dev_err_probe(dev, -EOPNOTSUPP, "failed to check i2c functionality\n");
 
 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
 	if (!chip)