[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>

4 files changed, 0 insertions, 172 deletions

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 1364dcaccc18..e4ccdcdb4639 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -463,40 +463,6 @@ config BOOT_LOAD
           memory region is used to capture NULL pointer references as well
           as some core kernel functions.
 
-comment "LED Status Indicators"
-        depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
-
-config BFIN_ALIVE_LED
-        bool "Enable Board Alive"
-        depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
-        default n
-        help
-          Blink the LEDs you select when the kernel is running.  Helps detect
-          a hung kernel.
-
-config BFIN_ALIVE_LED_NUM
-        int "LED"
-        depends on BFIN_ALIVE_LED
-        range 1 3 if BFIN533_STAMP
-        default "3" if BFIN533_STAMP
-        help
-          Select the LED (marked on the board) for you to blink.
-
-config BFIN_IDLE_LED
-        bool "Enable System Load/Idle LED"
-        depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
-        default n
-        help
-          Blinks the LED you select when to determine kernel load.
-
-config BFIN_IDLE_LED_NUM
-        int "LED"
-        depends on BFIN_IDLE_LED
-        range 1 3 if BFIN533_STAMP
-        default "2" if BFIN533_STAMP
-        help
-          Select the LED (marked on the board) for you to blink.
-
 choice
         prompt "Blackfin Exception Scratch Register"
         default BFIN_SCRATCH_REG_RETN
@@ -543,41 +509,6 @@ config BFIN_SCRATCH_REG_CYCLES
 
 endchoice
 
-#
-# Sorry - but you need to put the hex address here -
-#
-
-# Flag Data register
-config BFIN_ALIVE_LED_PORT
-        hex
-        default 0xFFC00700 if (BFIN533_STAMP)
-
-# Peripheral Flag Direction Register
-config BFIN_ALIVE_LED_DPORT
-        hex
-        default 0xFFC00730 if (BFIN533_STAMP)
-
-config BFIN_ALIVE_LED_PIN
-        hex
-        default 0x04 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 1)
-        default 0x08 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 2)
-        default 0x10 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 3)
-
-config BFIN_IDLE_LED_PORT
-        hex
-        default 0xFFC00700 if (BFIN533_STAMP)
-
-# Peripheral Flag Direction Register
-config BFIN_IDLE_LED_DPORT
-        hex
-        default 0xFFC00730 if (BFIN533_STAMP)
-
-config BFIN_IDLE_LED_PIN
-        hex
-        default 0x04 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 1)
-        default 0x08 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 2)
-        default 0x10 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 3)
-
 endmenu
 
 
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()));