swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: 49914084e797530d9baaf51df9eda77babc98fa8 authored by Linus Torvalds on 24 January 2008, 22:58:37 UTC
Linux 2.6.24
Tip revision: 4991408
delay.h
#ifndef __ASM_SH_DELAY_H
#define __ASM_SH_DELAY_H

/*
 * Copyright (C) 1993 Linus Torvalds
 *
 * Delay routines calling functions in arch/sh/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 usecs);
extern void __delay(unsigned long loops);

#define udelay(n) (__builtin_constant_p(n) ? \
	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
	__udelay(n))


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

#endif /* __ASM_SH_DELAY_H */
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