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Use rtc_lock to protect RTC operations

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Many RTC routines were not protected against each other, so there are
potential races, for example, ntp-update against /dev/rtc.  This patch
fixes them using rtc_lock.
    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2005-11-03 01:01:15 +09:00
committed by Ralf Baechle
parent e329331aed
commit 53c2df2f4e
13 changed files with 111 additions and 4 deletions
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3
include/asm-mips/time.h
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@@ -20,6 +20,9 @@
#include <linux/linkage.h>
#include <linux/ptrace.h>
#include <linux/rtc.h>
#include <linux/spinlock.h>
extern spinlock_t rtc_lock;
/*
* RTC ops. By default, they point to no-RTC functions.