ARM: mach-ebsa110: retire custom LED code

# Object file lists.

obj-y			:= core.o io.o

obj-y			:= core.o io.o leds.o

obj-m			:=

obj-n			:=

obj-			:=

obj-$(CONFIG_LEDS)	+= leds.o

/*

 *  linux/arch/arm/mach-ebsa110/leds.c

 * Driver for the LED found on the EBSA110 machine

 * Based on Versatile and RealView machine LED code

 *

 *  Copyright (C) 1998 Russell King

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 *  EBSA-110 LED control routines.  We use the led as follows:

 *

 *   - Red - toggles state every 50 timer interrupts

 * License terms: GNU General Public License (GPL) version 2

 * Author: Bryan Wu <bryan.wu@canonical.com>

 */

#include <linux/module.h>

#include <linux/spinlock.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/io.h>

#include <linux/slab.h>

#include <linux/leds.h>

#include <mach/hardware.h>

#include <asm/leds.h>

#include <asm/mach-types.h>

#include "core.h"

static spinlock_t leds_lock;

static void ebsa110_leds_event(led_event_t ledevt)

#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)

static void ebsa110_led_set(struct led_classdev *cdev,

			      enum led_brightness b)

{

	unsigned long flags;

	u8 reg = __raw_readb(SOFT_BASE);

	spin_lock_irqsave(&leds_lock, flags);

	if (b != LED_OFF)

		reg |= 0x80;

	else

		reg &= ~0x80;

	switch(ledevt) {

	case led_timer:

		*(volatile unsigned char *)SOFT_BASE ^= 128;

		break;

	default:

		break;

	__raw_writeb(reg, SOFT_BASE);

}

	spin_unlock_irqrestore(&leds_lock, flags);

static enum led_brightness ebsa110_led_get(struct led_classdev *cdev)

{

	u8 reg = __raw_readb(SOFT_BASE);

	return (reg & 0x80) ? LED_FULL : LED_OFF;

}

static int __init leds_init(void)

static int __init ebsa110_leds_init(void)

{

	if (machine_is_ebsa110())

		leds_event = ebsa110_leds_event;

	struct led_classdev *cdev;

	int ret;

	if (!machine_is_ebsa110())

		return -ENODEV;

	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);

	if (!cdev)

		return -ENOMEM;

	cdev->name = "ebsa110:0";

	cdev->brightness_set = ebsa110_led_set;

	cdev->brightness_get = ebsa110_led_get;

	cdev->default_trigger = "heartbeat";

	ret = led_classdev_register(NULL, cdev);

	if (ret	< 0) {

		kfree(cdev);

		return ret;

	}

	return 0;

}

__initcall(leds_init);

/*

 * Since we may have triggers on any subsystem, defer registration

 * until after subsystem_init.

 */

fs_initcall(ebsa110_leds_init);

#endif