hwmon: (pwm-fan) Use dev_err_probe() to simplify error handling

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Link: https://lore.kernel.org/r/1597649673-22329-1-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 17bb642..bdba214 100644 (file)
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -293,14 +293,8 @@ static int pwm_fan_probe(struct platform_device *pdev)
        mutex_init(&ctx->lock);
 
        ctx->pwm = devm_of_pwm_get(dev, dev->of_node, NULL);
-       if (IS_ERR(ctx->pwm)) {
-               ret = PTR_ERR(ctx->pwm);
-
-               if (ret != -EPROBE_DEFER)
-                       dev_err(dev, "Could not get PWM: %d\n", ret);
-
-               return ret;
-       }
+       if (IS_ERR(ctx->pwm))
+               return dev_err_probe(dev, PTR_ERR(ctx->pwm), "Could not get PWM\n");
 
        platform_set_drvdata(pdev, ctx);