diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-21 12:40:26 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-21 12:40:26 -0400 |
commit | f8b71a3a92d69cb1c9c2162f9235d3dd550e4aa0 (patch) | |
tree | d0853186f33314a6e45903876d0e94d1619fcca9 /include/asm-sparc/delay.h | |
parent | 42a77a1b8fe4fd78cf8d8fccbaac918bbe888192 (diff) | |
parent | e4f25060b87a627f5cda84b8134911d43c919458 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: (44 commits)
sparc: Remove Sparc's asm-offsets for sclow.S
sparc64: Update defconfig.
sparc64: Add Niagara2 RNG driver.
sparc64: Add missing hypervisor service group numbers.
sparc64: Remove 4MB and 512K base page size options.
sparc64: Convert to generic helpers for IPI function calls.
sparc: Use new '%pS' infrastructure to print symbols.
sparc32: fix init.c allnoconfig build error
sparc64: Config category "Processor type and features" absent
sparc: arch/sparc/kernel/apc.c to unlocked_ioctl
sparc: join the remaining header files
sparc: merge header files with trivial differences
sparc: when header files are equal use asm-sparc version
sparc: copy sparc64 specific files to asm-sparc
sparc: Merge asm-sparc{,64}/asi.h
sparc: export openprom.h to userspace
sparc: Merge asm-sparc{,64}/types.h
sparc: Merge asm-sparc{,64}/termios.h
sparc: Merge asm-sparc{,64}/termbits.h
sparc: Merge asm-sparc{,64}/setup.h
...
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) */ | ||