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#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 __udelay(unsigned long usecs); 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)) #endif /* __ASM_SH_DELAY_H */ |