Input: pwm-vibra - simplify with dev_err_probe()
authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Sun, 25 Jun 2023 16:27:56 +0000 (18:27 +0200)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 7 Jul 2023 23:54:27 +0000 (16:54 -0700)
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 <krzysztof.kozlowski@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230625162817.100397-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/pwm-vibra.c

index 2ba035299db879b224010004b6b018e2fecd4b60..a3cde30ee8d2b93da690f0c55f84e8f59c61cc27 100644 (file)
@@ -140,32 +140,20 @@ static int pwm_vibrator_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
-       err = PTR_ERR_OR_ZERO(vibrator->vcc);
-       if (err) {
-               if (err != -EPROBE_DEFER)
-                       dev_err(&pdev->dev, "Failed to request regulator: %d\n",
-                               err);
-               return err;
-       }
+       if (IS_ERR(vibrator->vcc))
+               return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),
+                                    "Failed to request regulator\n");
 
        vibrator->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
                                                        GPIOD_OUT_LOW);
-       err = PTR_ERR_OR_ZERO(vibrator->enable_gpio);
-       if (err) {
-               if (err != -EPROBE_DEFER)
-                       dev_err(&pdev->dev, "Failed to request enable gpio: %d\n",
-                               err);
-               return err;
-       }
+       if (IS_ERR(vibrator->enable_gpio))
+               return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->enable_gpio),
+                                    "Failed to request enable gpio\n");
 
        vibrator->pwm = devm_pwm_get(&pdev->dev, "enable");
-       err = PTR_ERR_OR_ZERO(vibrator->pwm);
-       if (err) {
-               if (err != -EPROBE_DEFER)
-                       dev_err(&pdev->dev, "Failed to request main pwm: %d\n",
-                               err);
-               return err;
-       }
+       if (IS_ERR(vibrator->pwm))
+               return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->pwm),
+                                    "Failed to request main pwm\n");
 
        INIT_WORK(&vibrator->play_work, pwm_vibrator_play_work);