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m32r: add rtc_lock variable

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Add a spinlock variable "rtc_lock".
This is taken from arch/arm/kernel/time.c.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
This commit is contained in:
Hirokazu Takata 2009-08-26 13:13:12 +09:00
parent d2c5821c5d
commit bac33bd571
1 changed files with 9 additions and 0 deletions
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9
arch/m32r/kernel/time.c
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@ -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