ACPI: Use struct dev_pm_ops for power management in the button driver

Make the ACPI button driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index d27d072472f9a638fac8da78d507438b0bb3bf5e..79d4c22f7a6d82c21e786b591f02f8bfe28b0f43 100644 (file)
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -76,19 +76,21 @@ MODULE_DEVICE_TABLE(acpi, button_device_ids);
 
 static int acpi_button_add(struct acpi_device *device);
 static int acpi_button_remove(struct acpi_device *device, int type);
-static int acpi_button_resume(struct acpi_device *device);
 static void acpi_button_notify(struct acpi_device *device, u32 event);
 
+static int acpi_button_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume);
+
 static struct acpi_driver acpi_button_driver = {
        .name = "button",
        .class = ACPI_BUTTON_CLASS,
        .ids = button_device_ids,
        .ops = {
                .add = acpi_button_add,
-               .resume = acpi_button_resume,
                .remove = acpi_button_remove,
                .notify = acpi_button_notify,
        },
+       .drv.pm = &acpi_button_pm,
 };
 
 struct acpi_button {
@@ -308,8 +310,9 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
        }
 }
 
-static int acpi_button_resume(struct acpi_device *device)
+static int acpi_button_resume(struct device *dev)
 {
+       struct acpi_device *device = to_acpi_device(dev);
        struct acpi_button *button = acpi_driver_data(device);
 
        if (button->type == ACPI_BUTTON_TYPE_LID)