delay.h File Reference

#include <asm/memory.h>
#include <asm/param.h>

Go to the source code of this file.

Data Structures
struct	delay_timer
struct	arm_delay_ops

Macros
#define	MAX_UDELAY_MS   2
#define	UDELAY_MULT   ((UL(2199023) * HZ) >> 11)
#define	UDELAY_SHIFT   30
#define	__delay(n)   arm_delay_ops.delay(n)
#define	__udelay(n)   arm_delay_ops.udelay(n)
#define	__const_udelay(n)   arm_delay_ops.const_udelay(n)
#define	udelay(n)
#define	ARCH_HAS_READ_CURRENT_TIMER

Functions
void	__bad_udelay (void)
void	__loop_delay (unsigned long loops)
void	__loop_udelay (unsigned long usecs)
void	__loop_const_udelay (unsigned long)
void	register_current_timer_delay (const struct delay_timer *timer)

Variables
struct arm_delay_ops	arm_delay_ops

Macro Definition Documentation

#define __const_udelay

(

n

)

arm_delay_ops.const_udelay(n)

Definition at line 51 of file delay.h.

#define __delay

(

n

)

arm_delay_ops.delay(n)

Definition at line 29 of file delay.h.

#define __udelay

(

n

)

arm_delay_ops.udelay(n)

Definition at line 50 of file delay.h.

#define ARCH_HAS_READ_CURRENT_TIMER

Definition at line 65 of file delay.h.

#define MAX_UDELAY_MS   2

Definition at line 12 of file delay.h.

#define udelay

(

n

)

Value:

(__builtin_constant_p(n) ?                  \
      ((n) > (MAX_UDELAY_MS * 1000) ? __bad_udelay() :      \
            __const_udelay((n) * UDELAY_MULT)) :        \
      __udelay(n))

Definition at line 53 of file delay.h.

#define UDELAY_MULT   ((UL(2199023) * HZ) >> 11)

Definition at line 13 of file delay.h.

#define UDELAY_SHIFT   30

Definition at line 14 of file delay.h.

Function Documentation

void __bad_udelay

(

void

)

void __loop_const_udelay

(

unsigned

long

)

void __loop_delay

(

unsigned long

loops

)

void __loop_udelay

(

unsigned long

usecs

)

void register_current_timer_delay

(

const struct delay_timer *

timer

)

Definition at line 70 of file delay.c.

Variable Documentation

struct arm_delay_ops arm_delay_ops