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[PATCH] powerpc: Make sure we have an RTC before trying to adjust it

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Its valid for ppc_md.set_rtc_time to be NULL.  We need to check
that its non-NULL before trying to update the RTC.

Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kumar Gala
2005-10-20 11:43:33 -05:00
committed by Paul Mackerras
parent 340601043d
commit d2e6151257
1 changed files with 1 additions and 1 deletions
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arch/powerpc/kernel/time.c
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@@ -154,7 +154,7 @@ static __inline__ void timer_check_rtc(void)
* We should have an rtc call that only sets the minutes and * We should have an rtc call that only sets the minutes and
* seconds like on Intel to avoid problems with non UTC clocks. * seconds like on Intel to avoid problems with non UTC clocks.
*/ */
if (ntp_synced() && if (ppc_md.set_rtc_time && ntp_synced() &&
xtime.tv_sec - last_rtc_update >= 659 && xtime.tv_sec - last_rtc_update >= 659 &&
abs((xtime.tv_nsec/1000) - (1000000-1000000/HZ)) < 500000/HZ && abs((xtime.tv_nsec/1000) - (1000000-1000000/HZ)) < 500000/HZ &&
jiffies - wall_jiffies == 1) { jiffies - wall_jiffies == 1) {