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authorStephen Hemminger <shemminger@vyatta.com>2011-01-12 16:59:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:07 -0800
commit3e5c12409c54c30f1d1b16bba5d4d24e35aa283c (patch)
tree1582983eda70a025eabe6c459a5ee8d1d94a5e16 /arch/mn10300
parent04c6862c055fb687c90d9652f32c11a063df15cf (diff)
downloadlinux-2.6.38-lt-ux500-3e5c12409c54c30f1d1b16bba5d4d24e35aa283c.tar.gz
set_rtc_mmss: show warning message only once
Occasionally the system gets into a state where the CMOS clock has gotten slightly ahead of current time and the periodic update of RTC fails. The message is a nuisance and repeats spamming the log. See: http://www.ntp.org/ntpfaq/NTP-s-trbl-spec.htm#Q-LINUX-SET-RTC-MMSS Rather than just removing the message, make it show only once and reduce severity since it indicates a normal and non urgent condition. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Howells <dhowells@redhat.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mn10300')
-rw-r--r--arch/mn10300/kernel/rtc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mn10300/kernel/rtc.c b/arch/mn10300/kernel/rtc.c
index e9e20f9a4dd..48d7058b329 100644
--- a/arch/mn10300/kernel/rtc.c
+++ b/arch/mn10300/kernel/rtc.c
@@ -89,7 +89,7 @@ static int set_rtc_mmss(unsigned long nowtime)
CMOS_WRITE(real_seconds, RTC_SECONDS);
CMOS_WRITE(real_minutes, RTC_MINUTES);
} else {
- printk(KERN_WARNING
+ printk_once(KERN_NOTICE
"set_rtc_mmss: can't update from %d to %d\n",
cmos_minutes, real_minutes);
retval = -1;