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Thu, 8 Feb 2024 20:43:16 +0200 (EET) From: Andy Shevchenko To: Daniel Thompson , Flavio Suligoi , Andy Shevchenko , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lee Jones , Jingoo Han , Helge Deller Subject: [PATCH v3 2/3] backlight: mp3309c: use dev_err_probe() instead of dev_err() Date: Thu, 8 Feb 2024 20:42:27 +0200 Message-ID: <20240208184313.2224579-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20240208184313.2224579-1-andriy.shevchenko@linux.intel.com> References: <20240208184313.2224579-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790372242321729395 X-GMAIL-MSGID: 1790372242321729395 Replace dev_err() with dev_err_probe(). This helps in simplifing code and standardizing the error output. Tested-by: Flavio Suligoi Reviewed-by: Daniel Thompson Signed-off-by: Andy Shevchenko --- drivers/video/backlight/mp3309c.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/video/backlight/mp3309c.c b/drivers/video/backlight/mp3309c.c index 397f35dafc5e..426e9f2356ad 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)