/* delay.h: Linux delay routines on sparc64. * * Copyright (C) 1996, 2004 David S. Miller (davem@davemloft.net). * * Based heavily upon x86 variant which is: * Copyright (C) 1993 Linus Torvalds * * Delay routines calling functions in arch/sparc64/lib/delay.c */ #ifndef __SPARC64_DELAY_H #define __SPARC64_DELAY_H #include <linux/param.h> #include <asm/cpudata.h> #ifndef __ASSEMBLY__ 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 /* !__ASSEMBLY__ */ #endif /* defined(__SPARC64_DELAY_H) */