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authorSteven Rostedt <rostedt@goodmis.org>2006-09-29 10:59:04 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 18:18:05 +0200
commit358333a0cb4a6d279806e38d0368b79066dbe5e7 (patch)
treea3f32e874a52aa6874bb8ca5291daa970877d3cc /drivers/char/rtc.c
parent[PATCH] Make touch_nmi_watchdog imply touch_softlockup_watchdog on all archs (diff)
downloadlinux-358333a0cb4a6d279806e38d0368b79066dbe5e7.tar.xz
linux-358333a0cb4a6d279806e38d0368b79066dbe5e7.zip
[PATCH] remove unnecessary barrier in rtc_get_rtc_time
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/rtc.c')
-rw-r--r--drivers/char/rtc.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index ab6429b4a84e..656f8c0ca52e 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -1262,10 +1262,8 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
* Once the read clears, read the RTC time (again via ioctl). Easy.
*/
- while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) {
- barrier();
+ while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100)
cpu_relax();
- }
/*
* Only the values that we read from the RTC are set. We leave