backports: Remove led subsystem backport

This is not needed on kernel 4.0 and later. These kernel versions
already ship a compatible LED system.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

3 files changed, 0 insertions, 216 deletions

diff --git a/backport/backport-include/backport/leds-disabled.h b/backport/backport-include/backport/leds-disabled.h
deleted file mode 100644
index 5ab82e5b..00000000
--- a/backport/backport-include/backport/leds-disabled.h
+++ /dev/null
@@ -1,198 +0,0 @@
-#ifndef __BACKPORT_LED_DISABLED_SUPPORT
-#define __BACKPORT_LED_DISABLED_SUPPORT
-
-/*
- * LED support is strange, with the NEW_LEDS, LEDS_CLASS and LEDS_TRIGGERS
- * Kconfig symbols ... If any of them are not defined, we build our
- * "compatibility" code that really just makes it all non-working but
- * allows compilation.
- */
-
-#ifdef CPTCFG_BPAUTO_BUILD_LEDS
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/rwsem.h>
-#include <linux/mutex.h>
-#include <linux/workqueue.h>
-
-#define led_classdev LINUX_BACKPORT(led_classdev)
-#define led_trigger LINUX_BACKPORT(led_trigger)
-
-struct led_classdev {
-	const char		*name;
-	enum led_brightness	 brightness;
-	enum led_brightness	 max_brightness;
-	int			 flags;
-
-	/* Lower 16 bits reflect status */
-#ifndef LED_SUSPENDED
-#define LED_SUSPENDED		(1 << 0)
-	/* Upper 16 bits reflect control information */
-#define LED_CORE_SUSPENDRESUME	(1 << 16)
-#define LED_BLINK_ONESHOT	(1 << 17)
-#define LED_BLINK_ONESHOT_STOP	(1 << 18)
-#define LED_BLINK_INVERT	(1 << 19)
-#define LED_SYSFS_DISABLE	(1 << 20)
-#define SET_BRIGHTNESS_ASYNC	(1 << 21)
-#define SET_BRIGHTNESS_SYNC	(1 << 22)
-#define LED_DEV_CAP_FLASH	(1 << 23)
-#endif
-
-	/* Set LED brightness level */
-	/* Must not sleep, use a workqueue if needed */
-	void		(*brightness_set)(struct led_classdev *led_cdev,
-					  enum led_brightness brightness);
-	/*
-	 * Set LED brightness level immediately - it can block the caller for
-	 * the time required for accessing a LED device register.
-	 */
-	int		(*brightness_set_sync)(struct led_classdev *led_cdev,
-					enum led_brightness brightness);
-	/* Get LED brightness level */
-	enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
-
-	/*
-	 * Activate hardware accelerated blink, delays are in milliseconds
-	 * and if both are zero then a sensible default should be chosen.
-	 * The call should adjust the timings in that case and if it can't
-	 * match the values specified exactly.
-	 * Deactivate blinking again when the brightness is set to a fixed
-	 * value via the brightness_set() callback.
-	 */
-	int		(*blink_set)(struct led_classdev *led_cdev,
-				     unsigned long *delay_on,
-				     unsigned long *delay_off);
-
-	struct device		*dev;
-	const struct attribute_group	**groups;
-
-	struct list_head	 node;			/* LED Device list */
-	const char		*default_trigger;	/* Trigger to use */
-
-	unsigned long		 blink_delay_on, blink_delay_off;
-	struct timer_list	 blink_timer;
-	int			 blink_brightness;
-	void			(*flash_resume)(struct led_classdev *led_cdev);
-
-	struct work_struct	set_brightness_work;
-	int			delayed_set_value;
-
-	/* Protects the trigger data below */
-	struct rw_semaphore	 trigger_lock;
-
-	struct led_trigger	*trigger;
-	struct list_head	 trig_list;
-	void			*trigger_data;
-	/* true if activated - deactivate routine uses it to do cleanup */
-	bool			activated;
-
-	/* Ensures consistent access to the LED Flash Class device */
-	struct mutex		led_access;
-};
-
-struct led_trigger {
-	const char *name;
-	void (*activate)(struct led_classdev *led_cdev);
-	void (*deactivate)(struct led_classdev *led_cdev);
-	rwlock_t leddev_list_lock;
-	struct list_head led_cdevs;
-	struct list_head next_trig;
-};
-
-#undef led_classdev_register
-#define led_classdev_register LINUX_BACKPORT(led_classdev_register)
-#undef led_classdev_unregister
-#define led_classdev_unregister LINUX_BACKPORT(led_classdev_unregister)
-#undef led_blink_set
-#define led_blink_set LINUX_BACKPORT(led_blink_set)
-#undef led_set_brightness
-#define led_set_brightness LINUX_BACKPORT(led_set_brightness)
-#undef led_classdev_suspend
-#define led_classdev_suspend LINUX_BACKPORT(led_classdev_suspend)
-#undef led_classdev_resume
-#define led_classdev_resume LINUX_BACKPORT(led_classdev_resume)
-
-#undef led_trigger_register
-#define led_trigger_register LINUX_BACKPORT(led_trigger_register)
-#undef led_trigger_unregister
-#define led_trigger_unregister LINUX_BACKPORT(led_trigger_unregister)
-#undef led_trigger_register_simple
-#define led_trigger_register_simple LINUX_BACKPORT(led_trigger_register_simple)
-#undef led_trigger_unregister_simple
-#define led_trigger_unregister_simple LINUX_BACKPORT(led_trigger_unregister_simple)
-#undef led_trigger_event
-#define led_trigger_event LINUX_BACKPORT(led_trigger_event)
-
-#undef DEFINE_LED_TRIGGER
-#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
-
-static inline int led_classdev_register(struct device *parent,
-					struct led_classdev *led_cdev)
-{
-	return 0;
-}
-
-static inline void led_classdev_unregister(struct led_classdev *led_cdev)
-{
-}
-
-static inline void led_trigger_register_simple(const char *name,
-					       struct led_trigger **trigger)
-{
-}
-
-static inline void led_trigger_unregister_simple(struct led_trigger *trigger)
-{
-}
-
-static inline void led_blink_set(struct led_classdev *led_cdev,
-				 unsigned long *delay_on,
-				 unsigned long *delay_off)
-{
-}
-
-static inline void led_set_brightness(struct led_classdev *led_cdev,
-				      enum led_brightness brightness)
-{
-}
-
-static inline void led_classdev_suspend(struct led_classdev *led_cdev)
-{
-}
-
-static inline void led_classdev_resume(struct led_classdev *led_cdev)
-{
-}
-
-static inline int led_trigger_register(struct led_trigger *trigger)
-{
-	INIT_LIST_HEAD(&trigger->led_cdevs);
-	INIT_LIST_HEAD(&trigger->next_trig);
-	rwlock_init(&trigger->leddev_list_lock);
-	return 0;
-}
-
-static inline void led_trigger_unregister(struct led_trigger *trigger)
-{
-}
-
-static inline void led_trigger_event(struct led_trigger *trigger,
-				     enum led_brightness event)
-{
-}
-
-static inline void led_trigger_blink(struct led_trigger *trigger,
-				     unsigned long *delay_on,
-				     unsigned long *delay_off)
-{
-}
-
-static inline void led_trigger_blink_oneshot(struct led_trigger *trigger,
-					     unsigned long *delay_on,
-					     unsigned long *delay_off,
-					     int invert)
-{
-}
-#endif
-
-#endif /* __BACKPORT_LED_DISABLED_SUPPORT */
diff --git a/backport/backport-include/linux/leds.h b/backport/backport-include/linux/leds.h
index ce2e7d1d..afd6c550 100644
--- a/backport/backport-include/linux/leds.h
+++ b/backport/backport-include/linux/leds.h
@@ -3,8 +3,6 @@
 #include_next <linux/leds.h>
 #include <linux/version.h>
 
-#include <backport/leds-disabled.h>
-
 #if LINUX_VERSION_IS_LESS(4,2,0)
 /*
  * There is no LINUX_BACKPORT() guard here because we want it to point to
diff --git a/backport/compat/Kconfig b/backport/compat/Kconfig
index f8256af8..d992ba82 100644
--- a/backport/compat/Kconfig
+++ b/backport/compat/Kconfig
@@ -70,22 +70,6 @@ config BPAUTO_BUILD_NLATTR
 config BPAUTO_MII
 	bool
 
-config BPAUTO_BUILD_LEDS
-	bool
-	depends on !NEW_LEDS || LEDS_CLASS=n || !LEDS_TRIGGERS
-	default y if BPAUTO_NEW_LEDS
-	default y if BPAUTO_LEDS_CLASS
-	default y if BPAUTO_LEDS_TRIGGERS
-
-config BPAUTO_NEW_LEDS
-	bool
-
-config BPAUTO_LEDS_CLASS
-	bool
-
-config BPAUTO_LEDS_TRIGGERS
-	bool
-
 config BPAUTO_USERSEL_BUILD_ALL
 	bool "Build all compat code"
 	help