W1: w1-gpio - switch to using dev_pm_ops
Let's stop using legacy platform driver hooks for power management and
switch to using the standard dev_pm_ops-based hooks.
Also, instead of guarding PM methods with #ifdef CONFIG_PM annotate them
as __maybe_unused as it provides better compile coverage.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 8f7848c..a373ae6 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -198,11 +198,9 @@
return 0;
}
-#ifdef CONFIG_PM
-
-static int w1_gpio_suspend(struct platform_device *pdev, pm_message_t state)
+static int __maybe_unused w1_gpio_suspend(struct device *dev)
{
- struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);
if (pdata->enable_external_pullup)
pdata->enable_external_pullup(0);
@@ -210,9 +208,9 @@
return 0;
}
-static int w1_gpio_resume(struct platform_device *pdev)
+static int __maybe_unused w1_gpio_resume(struct device *dev)
{
- struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);
if (pdata->enable_external_pullup)
pdata->enable_external_pullup(1);
@@ -220,20 +218,16 @@
return 0;
}
-#else
-#define w1_gpio_suspend NULL
-#define w1_gpio_resume NULL
-#endif
+static SIMPLE_DEV_PM_OPS(w1_gpio_pm_ops, w1_gpio_suspend, w1_gpio_resume);
static struct platform_driver w1_gpio_driver = {
.driver = {
.name = "w1-gpio",
+ .pm = &w1_gpio_pm_ops,
.of_match_table = of_match_ptr(w1_gpio_dt_ids),
},
.probe = w1_gpio_probe,
- .remove = w1_gpio_remove,
- .suspend = w1_gpio_suspend,
- .resume = w1_gpio_resume,
+ .remove = w1_gpio_remove,
};
module_platform_driver(w1_gpio_driver);
