[PATCH 9/21] ACPI: Use struct dev_pm_ops for power management in the button driver

Rafael J. Wysocki
2012-06-23T21:13:39Z

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>
---
drivers/acpi/button.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

Index: linux/drivers/acpi/button.c
===================================================================
--- linux.orig/drivers/acpi/button.c
+++ linux/drivers/acpi/button.c
@@ -76,19 +76,21 @@ MODULE_DEVICE_TABLE(acpi, button_device_

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 ac
}
}

-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)