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

["Rafael J. Wysocki" <rjw@xxxxxxx>]

From: Rafael J. Wysocki <rjw@xxxxxxx>

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@xxxxxxx>
---
 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 */

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