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File: [Development] / linux-2.6-xfs / include / asm-m32r / delay.h (download)

Revision 1.3, Fri Oct 13 17:03:09 2006 UTC (11 years ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +0 -0 lines 

Merge up to 2.6.18
Merge of 2.6.x-xfs-melb:linux:27192b by kenmcd.

#ifndef _ASM_M32R_DELAY_H
#define _ASM_M32R_DELAY_H

/* $Id: delay.h,v 1.3 2006/10/13 17:03:09 tes.longdrop.melbourne.sgi.com Exp $ */

/*
 * 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 usecs);
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 */