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authorMike Frysinger2007-12-24 14:59:03 +0800
committerBryan Wu2007-12-24 14:59:03 +0800
commit54a1668ce53fe701f1d36651b591ced388e97275 (patch)
tree852b588db2069b353d51a0631221b5d10b8196b8 /arch/blackfin/kernel
parent3ca32c1dc62dabe67d7e51f6e8568e3965f52236 (diff)
[Blackfin] arch: scrub dead alive/idle LED code
if it does get re-added, it needs to be in the boards directory, not common code ... or it needs a re-implementation Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/process.c31
-rw-r--r--arch/blackfin/kernel/setup.c2
-rw-r--r--arch/blackfin/kernel/time.c70
3 files changed, 0 insertions, 103 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index fff3dd9eadda..023dc80af187 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -39,9 +39,6 @@
#include <asm/blackfin.h>
#include <asm/fixed_code.h>
-#define LED_ON 0
-#define LED_OFF 1
-
asmlinkage void ret_from_fork(void);
/* Points to the SDRAM backup memory for the stack that is currently in
@@ -70,32 +67,6 @@ void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
/*
- * We are using a different LED from the one used to indicate timer interrupt.
- */
-#if defined(CONFIG_BFIN_IDLE_LED)
-static inline void leds_switch(int flag)
-{
- unsigned short tmp = 0;
-
- tmp = bfin_read_CONFIG_BFIN_IDLE_LED_PORT();
- SSYNC();
-
- if (flag == LED_ON)
- tmp &= ~CONFIG_BFIN_IDLE_LED_PIN; /* light on */
- else
- tmp |= CONFIG_BFIN_IDLE_LED_PIN; /* light off */
-
- bfin_write_CONFIG_BFIN_IDLE_LED_PORT(tmp);
- SSYNC();
-
-}
-#else
-static inline void leds_switch(int flag)
-{
-}
-#endif
-
-/*
* The idle loop on BFIN
*/
#ifdef CONFIG_IDLE_L1
@@ -106,12 +77,10 @@ void cpu_idle(void)__attribute__((l1_text));
void default_idle(void)
{
while (!need_resched()) {
- leds_switch(LED_OFF);
local_irq_disable();
if (likely(!need_resched()))
idle_with_irq_disabled();
local_irq_enable();
- leds_switch(LED_ON);
}
}
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index d2822010b7ce..a03c2dfff4a3 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -315,8 +315,6 @@ void __init setup_arch(char **cmdline_p)
init_mm.end_data = (unsigned long)_edata;
init_mm.brk = (unsigned long)0;
- init_leds();
-
_bfin_swrst = bfin_read_SWRST();
if (_bfin_swrst & RESET_DOUBLE)
diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c
index beef057bd1dc..5bd64e341df3 100644
--- a/arch/blackfin/kernel/time.c
+++ b/arch/blackfin/kernel/time.c
@@ -42,75 +42,6 @@
static void time_sched_init(irqreturn_t(*timer_routine)
(int, void *));
static unsigned long gettimeoffset(void);
-static inline void do_leds(void);
-
-#if (defined(CONFIG_BFIN_ALIVE_LED) || defined(CONFIG_BFIN_IDLE_LED))
-void __init init_leds(void)
-{
- unsigned int tmp = 0;
-
-#if defined(CONFIG_BFIN_ALIVE_LED)
- /* config pins as output. */
- tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_DPORT();
- SSYNC();
- bfin_write_CONFIG_BFIN_ALIVE_LED_DPORT(tmp | CONFIG_BFIN_ALIVE_LED_PIN);
- SSYNC();
-
- /* First set led be off */
- tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_PORT();
- SSYNC();
- bfin_write_CONFIG_BFIN_ALIVE_LED_PORT(tmp | CONFIG_BFIN_ALIVE_LED_PIN); /* light off */
- SSYNC();
-#endif
-
-#if defined(CONFIG_BFIN_IDLE_LED)
- /* config pins as output. */
- tmp = bfin_read_CONFIG_BFIN_IDLE_LED_DPORT();
- SSYNC();
- bfin_write_CONFIG_BFIN_IDLE_LED_DPORT(tmp | CONFIG_BFIN_IDLE_LED_PIN);
- SSYNC();
-
- /* First set led be off */
- tmp = bfin_read_CONFIG_BFIN_IDLE_LED_PORT();
- SSYNC();
- bfin_write_CONFIG_BFIN_IDLE_LED_PORT(tmp | CONFIG_BFIN_IDLE_LED_PIN); /* light off */
- SSYNC();
-#endif
-}
-#else
-void __init init_leds(void)
-{
-}
-#endif
-
-#if defined(CONFIG_BFIN_ALIVE_LED)
-static inline void do_leds(void)
-{
- static unsigned int count = 50;
- static int flag;
- unsigned short tmp = 0;
-
- if (--count == 0) {
- count = 50;
- flag = ~flag;
- }
- tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_PORT();
- SSYNC();
-
- if (flag)
- tmp &= ~CONFIG_BFIN_ALIVE_LED_PIN; /* light on */
- else
- tmp |= CONFIG_BFIN_ALIVE_LED_PIN; /* light off */
-
- bfin_write_CONFIG_BFIN_ALIVE_LED_PORT(tmp);
- SSYNC();
-
-}
-#else
-static inline void do_leds(void)
-{
-}
-#endif
static struct irqaction bfin_timer_irq = {
.name = "BFIN Timer Tick",
@@ -205,7 +136,6 @@ irqreturn_t timer_interrupt(int irq, void *dummy)
write_seqlock(&xtime_lock);
do_timer(1);
- do_leds();
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));