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authorBryan Wu <bryan.wu@canonical.com>2012-03-14 02:22:03 +0800
committerBryan Wu <bryan.wu@canonical.com>2012-08-01 11:22:14 +0800
commit18775a7bea8fbbebe8818db7a64aaeb40b40a0c5 (patch)
tree6f47d6a4147a6505da85cf4126254bdccc458842 /arch/arm/mach-sa1100/leds-lart.c
parentdafbeadf4a9e1b2765641b687e3343be76d2eacd (diff)
ARM: mach-sa1100: retire custom LED code
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'arch/arm/mach-sa1100/leds-lart.c')
-rw-r--r--arch/arm/mach-sa1100/leds-lart.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/arm/mach-sa1100/leds-lart.c b/arch/arm/mach-sa1100/leds-lart.c
deleted file mode 100644
index a51830c60e5..00000000000
--- a/arch/arm/mach-sa1100/leds-lart.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * linux/arch/arm/mach-sa1100/leds-lart.c
- *
- * (C) Erik Mouw (J.A.K.Mouw@its.tudelft.nl), April 21, 2000
- *
- * LART uses the LED as follows:
- * - GPIO23 is the LED, on if system is not idle
- * You can use both CONFIG_LEDS_CPU and CONFIG_LEDS_TIMER at the same
- * time, but in that case the timer events will still dictate the
- * pace of the LED.
- */
-#include <linux/init.h>
-
-#include <mach/hardware.h>
-#include <asm/leds.h>
-
-#include "leds.h"
-
-
-#define LED_STATE_ENABLED 1
-#define LED_STATE_CLAIMED 2
-
-static unsigned int led_state;
-static unsigned int hw_led_state;
-
-#define LED_23 GPIO_GPIO23
-#define LED_MASK (LED_23)
-
-void lart_leds_event(led_event_t evt)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- switch(evt) {
- case led_start:
- /* pin 23 is output pin */
- GPDR |= LED_23;
- hw_led_state = LED_MASK;
- led_state = LED_STATE_ENABLED;
- break;
-
- case led_stop:
- led_state &= ~LED_STATE_ENABLED;
- break;
-
- case led_claim:
- led_state |= LED_STATE_CLAIMED;
- hw_led_state = LED_MASK;
- break;
-
- case led_release:
- led_state &= ~LED_STATE_CLAIMED;
- hw_led_state = LED_MASK;
- break;
-
-#ifdef CONFIG_LEDS_TIMER
- case led_timer:
- if (!(led_state & LED_STATE_CLAIMED))
- hw_led_state ^= LED_23;
- break;
-#endif
-
-#ifdef CONFIG_LEDS_CPU
- case led_idle_start:
- /* The LART people like the LED to be off when the
- system is idle... */
- if (!(led_state & LED_STATE_CLAIMED))
- hw_led_state &= ~LED_23;
- break;
-
- case led_idle_end:
- /* ... and on if the system is not idle */
- if (!(led_state & LED_STATE_CLAIMED))
- hw_led_state |= LED_23;
- break;
-#endif
-
- case led_red_on:
- if (led_state & LED_STATE_CLAIMED)
- hw_led_state &= ~LED_23;
- break;
-
- case led_red_off:
- if (led_state & LED_STATE_CLAIMED)
- hw_led_state |= LED_23;
- break;
-
- default:
- break;
- }
-
- /* Now set the GPIO state, or nothing will happen at all */
- if (led_state & LED_STATE_ENABLED) {
- GPSR = hw_led_state;
- GPCR = hw_led_state ^ LED_MASK;
- }
-
- local_irq_restore(flags);
-}