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authorGreg Kroah-Hartman <gregkh@suse.de>2011-12-12 18:19:40 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-12 18:19:53 -0500
commit007d00d4c11b30b8fd7ff23b9d5aed3743e41f74 (patch)
treed5c307ba2ee0e2f56fbc284db21b8bccf95d8a40 /drivers/rtc/interface.c
parentc91043adaf50ef13609003120f3471783460fb71 (diff)
parent68d3e668d245bb8300c7c6ddbc8508ddfe352e0f (diff)
Merge branch 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (392 commits) usb: dwc3: ep0: fix for possible early delayed_status usb: dwc3: gadget: fix stream enable bit usb: dwc3: ep0: fix GetStatus handling (again) usb: dwc3: ep0: use dwc3_request for ep0 requsts instead of usb_request usb: dwc3: use correct hwparam register for power mgm check usb: dwc3: omap: move to module_platform_driver usb: dwc3: workaround: missing disconnect event usb: dwc3: workaround: missing USB3 Reset event usb: dwc3: workaround: U1/U2 -> U0 transiton usb: dwc3: gadget: return early in dwc3_cleanup_done_reqs() usb: dwc3: ep0: handle delayed_status again usb: dwc3: ep0: push ep0state into xfernotready processing usb: dwc3: fix sparse errors usb: dwc3: fix few coding style problems usb: dwc3: move generic dwc3 code from gadget into core usb: dwc3: use a helper function for operation mode setting usb: dwc3: ep0: don't use ep0in for transfers usb: dwc3: ep0: use proper endianess in SetFeature for wIndex usb: dwc3: core: drop DWC3_EVENT_BUFFERS_MAX usb: dwc3: omap: add multiple instances support to OMAP ...
Diffstat (limited to 'drivers/rtc/interface.c')
-rw-r--r--drivers/rtc/interface.c44
1 files changed, 34 insertions, 10 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8e286259a007..fa4d9f324189 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -319,6 +319,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
319} 319}
320EXPORT_SYMBOL_GPL(rtc_read_alarm); 320EXPORT_SYMBOL_GPL(rtc_read_alarm);
321 321
322static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
323{
324 int err;
325
326 if (!rtc->ops)
327 err = -ENODEV;
328 else if (!rtc->ops->set_alarm)
329 err = -EINVAL;
330 else
331 err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
332
333 return err;
334}
335
322static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) 336static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
323{ 337{
324 struct rtc_time tm; 338 struct rtc_time tm;
@@ -342,14 +356,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
342 * over right here, before we set the alarm. 356 * over right here, before we set the alarm.
343 */ 357 */
344 358
345 if (!rtc->ops) 359 return ___rtc_set_alarm(rtc, alarm);
346 err = -ENODEV;
347 else if (!rtc->ops->set_alarm)
348 err = -EINVAL;
349 else
350 err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
351
352 return err;
353} 360}
354 361
355int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) 362int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -763,6 +770,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
763 return 0; 770 return 0;
764} 771}
765 772
773static void rtc_alarm_disable(struct rtc_device *rtc)
774{
775 struct rtc_wkalrm alarm;
776 struct rtc_time tm;
777
778 __rtc_read_time(rtc, &tm);
779
780 alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
781 ktime_set(300, 0)));
782 alarm.enabled = 0;
783
784 ___rtc_set_alarm(rtc, &alarm);
785}
786
766/** 787/**
767 * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue 788 * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
768 * @rtc rtc device 789 * @rtc rtc device
@@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
784 struct rtc_wkalrm alarm; 805 struct rtc_wkalrm alarm;
785 int err; 806 int err;
786 next = timerqueue_getnext(&rtc->timerqueue); 807 next = timerqueue_getnext(&rtc->timerqueue);
787 if (!next) 808 if (!next) {
809 rtc_alarm_disable(rtc);
788 return; 810 return;
811 }
789 alarm.time = rtc_ktime_to_tm(next->expires); 812 alarm.time = rtc_ktime_to_tm(next->expires);
790 alarm.enabled = 1; 813 alarm.enabled = 1;
791 err = __rtc_set_alarm(rtc, &alarm); 814 err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +870,8 @@ again:
847 err = __rtc_set_alarm(rtc, &alarm); 870 err = __rtc_set_alarm(rtc, &alarm);
848 if (err == -ETIME) 871 if (err == -ETIME)
849 goto again; 872 goto again;
850 } 873 } else
874 rtc_alarm_disable(rtc);
851 875
852 mutex_unlock(&rtc->ops_lock); 876 mutex_unlock(&rtc->ops_lock);
853} 877}