diff options
Diffstat (limited to 'include/asm-sparc/delay.h')
-rw-r--r-- | include/asm-sparc/delay.h | 42 |
1 files changed, 8 insertions, 34 deletions
diff --git a/include/asm-sparc/delay.h b/include/asm-sparc/delay.h index bc9aba2bead6..6210a3ce9751 100644 --- a/include/asm-sparc/delay.h +++ b/include/asm-sparc/delay.h | |||
@@ -1,34 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_DELAY_H |
2 | * delay.h: Linux delay routines on the Sparc. | 2 | #define ___ASM_SPARC_DELAY_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu). | 4 | #include <asm-sparc/delay_64.h> |
5 | */ | 5 | #else |
6 | 6 | #include <asm-sparc/delay_32.h> | |
7 | #ifndef __SPARC_DELAY_H | 7 | #endif |
8 | #define __SPARC_DELAY_H | 8 | #endif |
9 | |||
10 | #include <asm/cpudata.h> | ||
11 | |||
12 | static inline void __delay(unsigned long loops) | ||
13 | { | ||
14 | __asm__ __volatile__("cmp %0, 0\n\t" | ||
15 | "1: bne 1b\n\t" | ||
16 | "subcc %0, 1, %0\n" : | ||
17 | "=&r" (loops) : | ||
18 | "0" (loops) : | ||
19 | "cc"); | ||
20 | } | ||
21 | |||
22 | /* This is too messy with inline asm on the Sparc. */ | ||
23 | extern void __udelay(unsigned long usecs, unsigned long lpj); | ||
24 | extern void __ndelay(unsigned long nsecs, unsigned long lpj); | ||
25 | |||
26 | #ifdef CONFIG_SMP | ||
27 | #define __udelay_val cpu_data(smp_processor_id()).udelay_val | ||
28 | #else /* SMP */ | ||
29 | #define __udelay_val loops_per_jiffy | ||
30 | #endif /* SMP */ | ||
31 | #define udelay(__usecs) __udelay(__usecs, __udelay_val) | ||
32 | #define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val) | ||
33 | |||
34 | #endif /* defined(__SPARC_DELAY_H) */ | ||