[PATCH 2/4] leds: pwm: Simplify with dev_err_probe()

From: Krzysztof Kozlowski
Date: Wed Aug 26 2020 - 10:50:47 EST


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@xxxxxxxxxx>
---
drivers/leds/leds-pwm.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index ef7b91bd2064..e35a97c1d828 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -78,13 +78,10 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
led_data->pwm = devm_fwnode_pwm_get(dev, fwnode, NULL);
else
led_data->pwm = devm_pwm_get(dev, led->name);
- if (IS_ERR(led_data->pwm)) {
- ret = PTR_ERR(led_data->pwm);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "unable to request PWM for %s: %d\n",
- led->name, ret);
- return ret;
- }
+ if (IS_ERR(led_data->pwm))
+ return dev_err_probe(dev, PTR_ERR(led_data->pwm),
+ "unable to request PWM for %s\n",
+ led->name);

led_data->cdev.brightness_set_blocking = led_pwm_set;

--
2.17.1