Input: twl4030-pwrbutton - replace __devinit with __init

Power button is not hot-pluggable so we can save some memory by
using __init.

Signed-off-by: Markus Lehtonen <markus.lehtonen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/misc/twl4030-pwrbutton.c

@@ -52,7 +52,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
 	return IRQ_HANDLED;
 }
 
-static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev)
+static int __init twl4030_pwrbutton_probe(struct platform_device *pdev)
 {
 	struct input_dev *pwr;
 	int irq = platform_get_irq(pdev, 0);
@@ -95,7 +95,7 @@ static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev)
 	return err;
 }
 
-static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev)
+static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev)
 {
 	struct input_dev *pwr = platform_get_drvdata(pdev);
 	int irq = platform_get_irq(pdev, 0);
@@ -106,9 +106,8 @@ static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver twl4030_pwrbutton_driver = {
-	.probe		= twl4030_pwrbutton_probe,
-	.remove		= __devexit_p(twl4030_pwrbutton_remove),
+static struct platform_driver twl4030_pwrbutton_driver = {
+	.remove		= __exit_p(twl4030_pwrbutton_remove),
 	.driver		= {
 		.name	= "twl4030_pwrbutton",
 		.owner	= THIS_MODULE,
@@ -117,7 +116,8 @@ struct platform_driver twl4030_pwrbutton_driver = {
 
 static int __init twl4030_pwrbutton_init(void)
 {
-	return platform_driver_register(&twl4030_pwrbutton_driver);
+	return platform_driver_probe(&twl4030_pwrbutton_driver,
+			twl4030_pwrbutton_probe);
 }
 module_init(twl4030_pwrbutton_init);