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/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1994 by Waldorf Electronics * Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. * Copyright (C) 2007 Maciej W. Rozycki */ #ifndef _ASM_DELAY_H #define _ASM_DELAY_H #include <linux/param.h> extern void __delay(unsigned long loops); extern void __ndelay(unsigned long ns); extern void __udelay(unsigned long us); #define ndelay(ns) __ndelay(ns) #define udelay(us) __udelay(us) /* make sure "usecs *= ..." in udelay do not overflow. */ #if HZ >= 1000 #define MAX_UDELAY_MS 1 #elif HZ <= 200 #define MAX_UDELAY_MS 5 #else #define MAX_UDELAY_MS (1000 / HZ) #endif #endif /* _ASM_DELAY_H */