Remove "switch" class in drivers/staging/android/switch

Because extcon can also be a switch class for legacy userspace (Android)
and is a superset of switch class in drivers/staging/android/switch,
switch class may be removed.

- Remove switch class
- Remove switch class consideration in extcon class

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/extcon/extcon_class.c

@@ -65,9 +65,9 @@ const char *extcon_cable_name[] = {
 };
 
 struct class *extcon_class;
-#if defined(CONFIG_ANDROID) && !defined(CONFIG_ANDROID_SWITCH)
+#if defined(CONFIG_ANDROID)
 static struct class_compat *switch_class;
-#endif /* CONFIG_ANDROID && !defined(CONFIG_ANDROID_SWITCH) */
+#endif /* CONFIG_ANDROID */
 
 static LIST_HEAD(extcon_dev_list);
 static DEFINE_MUTEX(extcon_dev_list_lock);
@@ -532,11 +532,11 @@ static int create_extcon_class(void)
 			return PTR_ERR(extcon_class);
 		extcon_class->dev_attrs = extcon_attrs;
 
-#if defined(CONFIG_ANDROID) && !defined(CONFIG_ANDROID_SWITCH)
+#if defined(CONFIG_ANDROID)
 		switch_class = class_compat_register("switch");
 		if (WARN(!switch_class, "cannot allocate"))
 			return -ENOMEM;
-#endif /* CONFIG_ANDROID && !defined(CONFIG_ANDROID_SWITCH) */
+#endif /* CONFIG_ANDROID */
 	}
 
 	return 0;
@@ -749,11 +749,11 @@ int extcon_dev_register(struct extcon_dev *edev, struct device *dev)
 		put_device(edev->dev);
 		goto err_dev;
 	}
-#if defined(CONFIG_ANDROID) && !defined(CONFIG_ANDROID_SWITCH)
+#if defined(CONFIG_ANDROID)
 	if (switch_class)
 		ret = class_compat_create_link(switch_class, edev->dev,
 					       dev);
-#endif /* CONFIG_ANDROID && !defined(CONFIG_ANDROID_SWITCH) */
+#endif /* CONFIG_ANDROID */
 
 	spin_lock_init(&edev->lock);
 

drivers/staging/android/Kconfig

@@ -52,8 +52,6 @@ config ANDROID_LOW_MEMORY_KILLER
 	---help---
 	  Register processes to be killed when memory is low
 
-source "drivers/staging/android/switch/Kconfig"
-
 config ANDROID_INTF_ALARM
 	bool "Android alarm driver"
 	depends on RTC_CLASS
@@ -79,7 +77,6 @@ config ANDROID_ALARM_OLDDRV_COMPAT
 	  Provides preprocessor alias to aid compatability with
 	  older out-of-tree drivers that use the Android Alarm
 	  in-kernel API. This will be removed eventually.
-
 endif # if ANDROID
 
 endmenu

drivers/staging/android/Makefile

@@ -6,6 +6,5 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE)	+= ram_console.o
 obj-$(CONFIG_ANDROID_TIMED_OUTPUT)	+= timed_output.o
 obj-$(CONFIG_ANDROID_TIMED_GPIO)	+= timed_gpio.o
 obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER)	+= lowmemorykiller.o
-obj-$(CONFIG_ANDROID_SWITCH)		+= switch/
 obj-$(CONFIG_ANDROID_INTF_ALARM)	+= alarm.o
 obj-$(CONFIG_ANDROID_INTF_ALARM_DEV)	+= alarm-dev.o