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| author | Hirokazu Takata <takata@linux-m32r.org> | 2009-08-26 06:13:12 +0200 |
|---|---|---|
| committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-10-04 05:02:36 +0200 |
| commit | bac33bd571a9c2969efb52dd02c5407fbc49c360 (patch) | |
| tree | 858fdd325cb19d96950bf1e6baae90849c7fea86 /arch/m32r/kernel/time.c | |
| parent | m32r: define ioread* and iowrite* macros (diff) | |
| download | linux-bac33bd571a9c2969efb52dd02c5407fbc49c360.tar.xz linux-bac33bd571a9c2969efb52dd02c5407fbc49c360.zip | |
m32r: add rtc_lock variable
Add a spinlock variable "rtc_lock".
This is taken from arch/arm/kernel/time.c.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/m32r/kernel/time.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index ba61c4c73202..e7fee0f198d5 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -33,6 +33,15 @@ #include <asm/hw_irq.h> +#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) +/* this needs a better home */ +DEFINE_SPINLOCK(rtc_lock); + +#ifdef CONFIG_RTC_DRV_CMOS_MODULE +EXPORT_SYMBOL(rtc_lock); +#endif +#endif /* pc-style 'CMOS' RTC support */ + #ifdef CONFIG_SMP extern void smp_local_timer_interrupt(void); #endif |