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Message-Id: <1334660025-20442-5-git-send-email-bryan.wu@canonical.com>
Date: Tue, 17 Apr 2012 18:53:31 +0800
From: Bryan Wu <bryan.wu@...onical.com>
To: linux@....linux.org.uk, rpurdie@...ys.net,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linus.walleij@...aro.org, akpm@...ux-foundation.org,
arnd.bergmann@...aro.org, nicolas.pitre@...aro.org,
tim.gardner@...onical.com
Subject: [PATCH 04/18] ARM: mach-ks8695: remove leds driver, since nobody use it
Signed-off-by: Bryan Wu <bryan.wu@...onical.com>
Acked-by: Andrew Victor <linux@...im.org.za>
---
arch/arm/mach-ks8695/Makefile | 3 -
arch/arm/mach-ks8695/devices.c | 21 ------
arch/arm/mach-ks8695/include/mach/devices.h | 5 --
arch/arm/mach-ks8695/leds.c | 92 ---------------------------
4 files changed, 121 deletions(-)
delete mode 100644 arch/arm/mach-ks8695/leds.c
diff --git a/arch/arm/mach-ks8695/Makefile b/arch/arm/mach-ks8695/Makefile
index 853efd9..9324ef9 100644
--- a/arch/arm/mach-ks8695/Makefile
+++ b/arch/arm/mach-ks8695/Makefile
@@ -11,9 +11,6 @@ obj- :=
# PCI support is optional
obj-$(CONFIG_PCI) += pci.o
-# LEDs
-obj-$(CONFIG_LEDS) += leds.o
-
# Board-specific support
obj-$(CONFIG_MACH_KS8695) += board-micrel.o
obj-$(CONFIG_MACH_DSM320) += board-dsm320.o
diff --git a/arch/arm/mach-ks8695/devices.c b/arch/arm/mach-ks8695/devices.c
index 73bd638..47399bc 100644
--- a/arch/arm/mach-ks8695/devices.c
+++ b/arch/arm/mach-ks8695/devices.c
@@ -182,27 +182,6 @@ static void __init ks8695_add_device_watchdog(void)
}
-/* --------------------------------------------------------------------
- * LEDs
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_LEDS)
-short ks8695_leds_cpu = -1;
-short ks8695_leds_timer = -1;
-
-void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
-{
- /* Enable GPIO to access the LEDs */
- gpio_direction_output(cpu_led, 1);
- gpio_direction_output(timer_led, 1);
-
- ks8695_leds_cpu = cpu_led;
- ks8695_leds_timer = timer_led;
-}
-#else
-void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
-#endif
-
/* -------------------------------------------------------------------- */
/*
diff --git a/arch/arm/mach-ks8695/include/mach/devices.h b/arch/arm/mach-ks8695/include/mach/devices.h
index 85a3c9a..1e6594a 100644
--- a/arch/arm/mach-ks8695/include/mach/devices.h
+++ b/arch/arm/mach-ks8695/include/mach/devices.h
@@ -18,11 +18,6 @@ extern void __init ks8695_add_device_wan(void);
extern void __init ks8695_add_device_lan(void);
extern void __init ks8695_add_device_hpna(void);
- /* LEDs */
-extern short ks8695_leds_cpu;
-extern short ks8695_leds_timer;
-extern void __init ks8695_init_leds(u8 cpu_led, u8 timer_led);
-
/* PCI */
#define KS8695_MODE_PCI 0
#define KS8695_MODE_MINIPCI 1
diff --git a/arch/arm/mach-ks8695/leds.c b/arch/arm/mach-ks8695/leds.c
deleted file mode 100644
index 4bd7075..0000000
--- a/arch/arm/mach-ks8695/leds.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * LED driver for KS8695-based boards.
- *
- * Copyright (C) Andrew Victor
- *
- * 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.
- */
-#include <linux/gpio.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <asm/leds.h>
-#include <mach/devices.h>
-
-
-static inline void ks8695_led_on(unsigned int led)
-{
- gpio_set_value(led, 0);
-}
-
-static inline void ks8695_led_off(unsigned int led)
-{
- gpio_set_value(led, 1);
-}
-
-static inline void ks8695_led_toggle(unsigned int led)
-{
- unsigned long is_off = gpio_get_value(led);
- if (is_off)
- ks8695_led_on(led);
- else
- ks8695_led_off(led);
-}
-
-
-/*
- * Handle LED events.
- */
-static void ks8695_leds_event(led_event_t evt)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- switch(evt) {
- case led_start: /* System startup */
- ks8695_led_on(ks8695_leds_cpu);
- break;
-
- case led_stop: /* System stop / suspend */
- ks8695_led_off(ks8695_leds_cpu);
- break;
-
-#ifdef CONFIG_LEDS_TIMER
- case led_timer: /* Every 50 timer ticks */
- ks8695_led_toggle(ks8695_leds_timer);
- break;
-#endif
-
-#ifdef CONFIG_LEDS_CPU
- case led_idle_start: /* Entering idle state */
- ks8695_led_off(ks8695_leds_cpu);
- break;
-
- case led_idle_end: /* Exit idle state */
- ks8695_led_on(ks8695_leds_cpu);
- break;
-#endif
-
- default:
- break;
- }
-
- local_irq_restore(flags);
-}
-
-
-static int __init leds_init(void)
-{
- if ((ks8695_leds_timer == -1) || (ks8695_leds_cpu == -1))
- return -ENODEV;
-
- leds_event = ks8695_leds_event;
-
- leds_event(led_start);
- return 0;
-}
-
-__initcall(leds_init);
--
1.7.9.5
--
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