diff options
Diffstat (limited to 'arch/sh/include/asm/delay.h')
-rw-r--r-- | arch/sh/include/asm/delay.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sh/include/asm/delay.h b/arch/sh/include/asm/delay.h new file mode 100644 index 000000000000..4b16bf9b56bd --- /dev/null +++ b/arch/sh/include/asm/delay.h | |||
@@ -0,0 +1,26 @@ | |||
1 | #ifndef __ASM_SH_DELAY_H | ||
2 | #define __ASM_SH_DELAY_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 1993 Linus Torvalds | ||
6 | * | ||
7 | * Delay routines calling functions in arch/sh/lib/delay.c | ||
8 | */ | ||
9 | |||
10 | extern void __bad_udelay(void); | ||
11 | extern void __bad_ndelay(void); | ||
12 | |||
13 | extern void __udelay(unsigned long usecs); | ||
14 | extern void __ndelay(unsigned long nsecs); | ||
15 | extern void __const_udelay(unsigned long xloops); | ||
16 | extern void __delay(unsigned long loops); | ||
17 | |||
18 | #define udelay(n) (__builtin_constant_p(n) ? \ | ||
19 | ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \ | ||
20 | __udelay(n)) | ||
21 | |||
22 | #define ndelay(n) (__builtin_constant_p(n) ? \ | ||
23 | ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ | ||
24 | __ndelay(n)) | ||
25 | |||
26 | #endif /* __ASM_SH_DELAY_H */ | ||