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authorRafael J. Wysocki <rjw@sisk.pl>2012-06-28 01:26:43 +0400
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-01 15:31:00 +0400
commita6f50dc8ef26819c510cda84477dd60e3d1c90bb (patch)
tree8e8d6184d18bd9af43dc96852d6f908ba4ac039a /drivers/acpi/battery.c
parentccda70698057fd8dae7beeac147cdeead33dd543 (diff)
downloadlinux-a6f50dc8ef26819c510cda84477dd60e3d1c90bb.tar.xz
ACPI: Use struct dev_pm_ops for power management in the battery driver
Make the ACPI battery 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>
Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7dd3f9fb9f3f..023f9c8534d0 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1044,17 +1044,24 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
}
/* this is needed to learn about changes made in suspended state */
-static int acpi_battery_resume(struct acpi_device *device)
+static int acpi_battery_resume(struct device *dev)
{
struct acpi_battery *battery;
- if (!device)
+
+ if (!dev)
return -EINVAL;
- battery = acpi_driver_data(device);
+
+ battery = acpi_driver_data(to_acpi_device(dev));
+ if (!battery)
+ return -EINVAL;
+
battery->update_time = 0;
acpi_battery_update(battery);
return 0;
}
+static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume);
+
static struct acpi_driver acpi_battery_driver = {
.name = "battery",
.class = ACPI_BATTERY_CLASS,
@@ -1062,10 +1069,10 @@ static struct acpi_driver acpi_battery_driver = {
.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
.ops = {
.add = acpi_battery_add,
- .resume = acpi_battery_resume,
.remove = acpi_battery_remove,
.notify = acpi_battery_notify,
},
+ .drv.pm = &acpi_battery_pm,
};
static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)