m32r: add rtc_lock variable
authorHirokazu Takata <takata@linux-m32r.org>
Wed, 26 Aug 2009 04:13:12 +0000 (13:13 +0900)
committerHirokazu Takata <takata@linux-m32r.org>
Sun, 4 Oct 2009 03:02:36 +0000 (12:02 +0900)
Add a spinlock variable "rtc_lock".
This is taken from arch/arm/kernel/time.c.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>

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