From 3cdde3a3d55e64e6d1ae3465701c8d9f226775f3 Mon Sep 17 00:00:00 2001
From: Marc Dietrich <marvin24@gmx.de>
Date: Sun, 24 Jun 2012 23:25:21 +0200
Subject: staging: nvec: add remove function to nvec childs

This patch cleanups registered devices on remove.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/nvec/nvec_kbd.c b/drivers/staging/nvec/nvec_kbd.c
index 36ef6a6..6cc30dc 100644
--- a/drivers/staging/nvec/nvec_kbd.c
+++ b/drivers/staging/nvec/nvec_kbd.c
@@ -159,8 +159,17 @@ fail:
 	return err;
 }
 
+static int __devexit nvec_kbd_remove(struct platform_device *pdev)
+{
+	input_unregister_device(keys_dev.input);
+	input_free_device(keys_dev.input);
+
+	return 0;
+}
+
 static struct platform_driver nvec_kbd_driver = {
 	.probe  = nvec_kbd_probe,
+	.remove = __devexit_p(nvec_kbd_remove),
 	.driver = {
 		.name = "nvec-kbd",
 		.owner = THIS_MODULE,
diff --git a/drivers/staging/nvec/nvec_power.c b/drivers/staging/nvec/nvec_power.c
index 063f6d5..cc8ccd7 100644
--- a/drivers/staging/nvec/nvec_power.c
+++ b/drivers/staging/nvec/nvec_power.c
@@ -407,8 +407,25 @@ static int __devinit nvec_power_probe(struct platform_device *pdev)
 	return power_supply_register(&pdev->dev, psy);
 }
 
+static int __devexit nvec_power_remove(struct platform_device *pdev)
+{
+	struct nvec_power *power = platform_get_drvdata(pdev);
+
+	cancel_delayed_work_sync(&power->poller);
+	switch (pdev->id) {
+	case AC:
+		power_supply_unregister(&nvec_psy);
+		break;
+	case BAT:
+		power_supply_unregister(&nvec_bat_psy);
+	}
+
+	return 0;
+}
+
 static struct platform_driver nvec_power_driver = {
 	.probe = nvec_power_probe,
+	.remove = __devexit_p(nvec_power_remove),
 	.driver = {
 		   .name = "nvec-power",
 		   .owner = THIS_MODULE,
diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c
index 2481df2..d7c6511 100644
--- a/drivers/staging/nvec/nvec_ps2.c
+++ b/drivers/staging/nvec/nvec_ps2.c
@@ -123,6 +123,13 @@ static int __devinit nvec_mouse_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static int __devexit nvec_mouse_remove(struct platform_device *pdev)
+{
+	serio_unregister_port(ps2_dev.ser_dev);
+
+	return 0;
+}
+
 #ifdef CONFIG_PM_SLEEP
 static int nvec_mouse_suspend(struct device *dev)
 {
@@ -157,6 +164,7 @@ static const SIMPLE_DEV_PM_OPS(nvec_mouse_pm_ops, nvec_mouse_suspend,
 
 static struct platform_driver nvec_mouse_driver = {
 	.probe  = nvec_mouse_probe,
+	.remove = __devexit_p(nvec_mouse_remove),
 	.driver = {
 		.name = "nvec-mouse",
 		.owner = THIS_MODULE,
-- 
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