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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 14:06:41 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 14:06:41 -0500
commit5943a268002fce97885f2ca08827ff1b0312068c (patch)
tree5e304e79b68263e799224ebb1a08ead474ab299b /drivers/rtc/rtc-lib.c
parent42776163e13a56ea3096edff7a5df95408e80eb4 (diff)
parent96c8f06a0fb359a9a89701a7afab6d837e466ab0 (diff)
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rtc: Namespace fixup RTC: Remove UIE emulation RTC: Rework RTC code to use timerqueue for events Fix up trivial conflict in drivers/rtc/rtc-dev.c
Diffstat (limited to 'drivers/rtc/rtc-lib.c')
-rw-r--r--drivers/rtc/rtc-lib.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index 773851f338b8..075f1708deae 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -117,4 +117,32 @@ int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time)
117} 117}
118EXPORT_SYMBOL(rtc_tm_to_time); 118EXPORT_SYMBOL(rtc_tm_to_time);
119 119
120/*
121 * Convert rtc_time to ktime
122 */
123ktime_t rtc_tm_to_ktime(struct rtc_time tm)
124{
125 time_t time;
126 rtc_tm_to_time(&tm, &time);
127 return ktime_set(time, 0);
128}
129EXPORT_SYMBOL_GPL(rtc_tm_to_ktime);
130
131/*
132 * Convert ktime to rtc_time
133 */
134struct rtc_time rtc_ktime_to_tm(ktime_t kt)
135{
136 struct timespec ts;
137 struct rtc_time ret;
138
139 ts = ktime_to_timespec(kt);
140 /* Round up any ns */
141 if (ts.tv_nsec)
142 ts.tv_sec++;
143 rtc_time_to_tm(ts.tv_sec, &ret);
144 return ret;
145}
146EXPORT_SYMBOL_GPL(rtc_ktime_to_tm);
147
120MODULE_LICENSE("GPL"); 148MODULE_LICENSE("GPL");