thinkpad_acpi: Use struct dev_pm_ops instead of legacy PM routines

Make the thinkpad_acpi driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Matthew Garrett <mjg@redhat.com>

drivers/platform/x86/thinkpad_acpi.c

@@ -922,8 +922,7 @@ static struct input_dev *tpacpi_inputdev;
 static struct mutex tpacpi_inputdev_send_mutex;
 static LIST_HEAD(tpacpi_all_drivers);
 
-static int tpacpi_suspend_handler(struct platform_device *pdev,
-				  pm_message_t state)
+static int tpacpi_suspend_handler(struct device *dev)
 {
 	struct ibm_struct *ibm, *itmp;
 
@@ -937,7 +936,7 @@ static int tpacpi_suspend_handler(struct platform_device *pdev,
 	return 0;
 }
 
-static int tpacpi_resume_handler(struct platform_device *pdev)
+static int tpacpi_resume_handler(struct device *dev)
 {
 	struct ibm_struct *ibm, *itmp;
 
@@ -951,6 +950,9 @@ static int tpacpi_resume_handler(struct platform_device *pdev)
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(tpacpi_pm,
+			 tpacpi_suspend_handler, tpacpi_resume_handler);
+
 static void tpacpi_shutdown_handler(struct platform_device *pdev)
 {
 	struct ibm_struct *ibm, *itmp;
@@ -967,9 +969,8 @@ static struct platform_driver tpacpi_pdriver = {
 	.driver = {
 		.name = TPACPI_DRVR_NAME,
 		.owner = THIS_MODULE,
+		.pm = &tpacpi_pm,
 	},
-	.suspend = tpacpi_suspend_handler,
-	.resume = tpacpi_resume_handler,
 	.shutdown = tpacpi_shutdown_handler,
 };