[linux-block.git] / include / asm-m32r / delay.h

#ifndef _ASM_M32R_DELAY_H
#define _ASM_M32R_DELAY_H

/*
 * Copyright (C) 1993 Linus Torvalds
 *
 * Delay routines calling functions in arch/m32r/lib/delay.c
 */

extern void __bad_udelay(void);
extern void __bad_ndelay(void);

extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long nsecs);
extern void __const_udelay(unsigned long xloops);
extern void __delay(unsigned long loops);

#define udelay(n) (__builtin_constant_p(n) ? \
	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
	__udelay(n))

#define ndelay(n) (__builtin_constant_p(n) ? \
	((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
	__ndelay(n))

#endif /* _ASM_M32R_DELAY_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_M32R_DELAY_H
	2	#define _ASM_M32R_DELAY_H
	3
1da177e4 LT	4	/*
	5	* Copyright (C) 1993 Linus Torvalds
	6	*
	7	* Delay routines calling functions in arch/m32r/lib/delay.c
	8	*/
	9
	10	extern void __bad_udelay(void);
	11	extern void __bad_ndelay(void);
	12
	13	extern void __udelay(unsigned long usecs);
	14	extern void __ndelay(unsigned long nsecs);
5ab24c79	15	extern void __const_udelay(unsigned long xloops);
1da177e4 LT	16	extern void __delay(unsigned long loops);
	17
	18	#define udelay(n) (__builtin_constant_p(n) ? \
	19	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
	20	__udelay(n))
	21
	22	#define ndelay(n) (__builtin_constant_p(n) ? \
	23	((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
	24	__ndelay(n))
	25
	26	#endif /* _ASM_M32R_DELAY_H */