[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>

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
 
 

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
@@ -69,32 +66,6 @@ EXPORT_SYMBOL(pm_idle);
 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
  */
@@ -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);
 	}
 }
 

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)

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()));