delay.h File Reference

Go to the source code of this file.

Macros
#define	__MAX_UDELAY   (226050910UL/HZ) /* maximum udelay argument */
#define	__MAX_NDELAY   (4294967295UL/HZ) /* maximum ndelay argument */
#define	udelay(n)
#define	ndelay(n)
#define	muldiv(a, b, c)   (((a)*(b))/(c))

Functions
void	__delay (unsigned long loops)
void	__udelay (unsigned int x)
void	__bad_udelay (void)
void	__bad_ndelay (void)

Variables
unsigned long	loops_per_jiffy

Macro Definition Documentation

#define __MAX_NDELAY   (4294967295UL/HZ) /* maximum ndelay argument */

Definition at line 40 of file delay.h.

#define __MAX_UDELAY   (226050910UL/HZ) /* maximum udelay argument */

Definition at line 39 of file delay.h.

#define muldiv	(		a,
			b,
			c
	)		(((a)*(b))/(c))

Definition at line 70 of file delay.h.

#define ndelay

(

n

)

Value:

(__builtin_constant_p(n) ? \
    ((n) > __MAX_NDELAY ? __bad_ndelay() : __udelay((n) * HZ)) : \
    __udelay((n) * HZ))

Definition at line 66 of file delay.h.

#define udelay

(

n

)

Value:

(__builtin_constant_p(n) ? \
    ((n) > __MAX_UDELAY ? __bad_udelay() : __udelay((n) * (19 * HZ))) : \
    __udelay((n) * (19 * HZ)))

Definition at line 62 of file delay.h.

Function Documentation

void __bad_ndelay

(

void

)

void __bad_udelay

(

void

)

void __delay ( unsigned long  loops )

inline

Definition at line 16 of file delay.h.

void __udelay ( unsigned int  x )

inline

Definition at line 44 of file delay.h.

Variable Documentation

unsigned long loops_per_jiffy

Definition at line 94 of file processor.h.