ACPI: Use struct dev_pm_ops for power management in processor driver

Make the ACPI processor 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/processor_driver.c b/drivers/acpi/processor_driver.c
index 0734086..13103aeb 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -93,6 +93,9 @@
 };
 MODULE_DEVICE_TABLE(acpi, processor_device_ids);
 
+static SIMPLE_DEV_PM_OPS(acpi_processor_pm,
+			 acpi_processor_suspend, acpi_processor_resume);
+
 static struct acpi_driver acpi_processor_driver = {
 	.name = "processor",
 	.class = ACPI_PROCESSOR_CLASS,
@@ -100,10 +103,9 @@
 	.ops = {
 		.add = acpi_processor_add,
 		.remove = acpi_processor_remove,
-		.suspend = acpi_processor_suspend,
-		.resume = acpi_processor_resume,
 		.notify = acpi_processor_notify,
 		},
+	.drv.pm = &acpi_processor_pm,
 };
 
 #define INSTALL_NOTIFY_HANDLER		1