1 #ifndef _ASM_M32R_DELAY_H
2 #define _ASM_M32R_DELAY_H
7 * Copyright (C) 1993 Linus Torvalds
9 * Delay routines calling functions in arch/m32r/lib/delay.c
12 extern void __bad_udelay(void);
13 extern void __bad_ndelay(void);
15 extern void __udelay(unsigned long usecs);
16 extern void __ndelay(unsigned long nsecs);
17 extern void __const_udelay(unsigned long usecs);
18 extern void __delay(unsigned long loops);
20 #define udelay(n) (__builtin_constant_p(n) ? \
21 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
24 #define ndelay(n) (__builtin_constant_p(n) ? \
25 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
28 #endif /* _ASM_M32R_DELAY_H */