diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 10:20:10 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 10:20:10 +0100 |
| commit | 39fe5434cb9de5da40510028b17b96bc4eb312b3 (patch) | |
| tree | 7a02a317b9ad57da51ca99887c119e779ccf3f13 /include/asm-i386/mc146818rtc.h | |
| parent | 0fc72b81d3111d114ab378935b1cf07680ca1289 (diff) | |
| parent | f695baf2df9e0413d3521661070103711545207a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-i386/mc146818rtc.h')
| -rw-r--r-- | include/asm-i386/mc146818rtc.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-i386/mc146818rtc.h b/include/asm-i386/mc146818rtc.h index 99a89004702..1613b42eaf5 100644 --- a/include/asm-i386/mc146818rtc.h +++ b/include/asm-i386/mc146818rtc.h @@ -6,6 +6,7 @@ #include <asm/io.h> #include <asm/system.h> +#include <asm/processor.h> #include <linux/mc146818rtc.h> #ifndef RTC_PORT @@ -43,8 +44,10 @@ static inline void lock_cmos(unsigned char reg) unsigned long new; new = ((smp_processor_id()+1) << 8) | reg; for (;;) { - if (cmos_lock) + if (cmos_lock) { + cpu_relax(); continue; + } if (__cmpxchg(&cmos_lock, 0, new, sizeof(cmos_lock)) == 0) return; } |