[PATCH 18/21] acpi_power_meter: Use struct dev_pm_ops for power management

Rafael J. Wysocki
2012-06-23T21:19:31Z

Make the ACPI power meter 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/hwmon/acpi_power_meter.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)

Index: linux/drivers/hwmon/acpi_power_meter.c
===================================================================
--- linux.orig/drivers/hwmon/acpi_power_meter.c
+++ linux/drivers/hwmon/acpi_power_meter.c
@@ -929,20 +929,25 @@ static int acpi_power_meter_remove(struc
return 0;
}

-static int acpi_power_meter_resume(struct acpi_device *device)
+static int acpi_power_meter_resume(struct device *dev)
{
struct acpi_power_meter_resource *resource;

- if (!device || !acpi_driver_data(device))
+ if (!dev)
+ return -EINVAL;
+
+ resource = acpi_driver_data(to_acpi_device(dev));
+ if (!resource)
return -EINVAL;

- resource = acpi_driver_data(device);
free_capabilities(resource);
read_capabilities(resource);

return 0;
}

+static SIMPLE_DEV_PM_OPS(acpi_power_meter_pm, NULL, acpi_power_meter_resume);
+
static struct acpi_driver acpi_power_meter_driver = {
.name = "power_meter",
.class = ACPI_POWER_METER_CLASS,
@@ -950,9 +955,9 @@ static struct acpi_driver acpi_power_met
.ops = {
.add = acpi_power_meter_add,
.remove = acpi_power_meter_remove,
- .resume = acpi_power_meter_resume,
.notify = acpi_power_meter_notify,
},
+ .drv.pm = &acpi_power_meter_pm,
};

/* Module init/exit routines */