X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Frtc%2Finterface.c;h=ad66c6ecf36533d339573106f4bd17db05305e26;hb=029641151bfede0930a79ecabb2572dc27a3c86f;hp=ef40df0f169d2a1039ddca745f586dd122731afa;hpb=e0cc09e295f346b7921e921f385fe5213472316a;p=linux-2.6-omap-h63xx.git diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index ef40df0f169..ad66c6ecf36 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -13,10 +13,9 @@ #include -int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) +int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -28,7 +27,7 @@ int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) err = -EINVAL; else { memset(tm, 0, sizeof(struct rtc_time)); - err = rtc->ops->read_time(class_dev->dev, tm); + err = rtc->ops->read_time(rtc->dev.parent, tm); } mutex_unlock(&rtc->ops_lock); @@ -36,10 +35,9 @@ int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) } EXPORT_SYMBOL_GPL(rtc_read_time); -int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) +int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = rtc_valid_tm(tm); if (err != 0) @@ -54,17 +52,16 @@ int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) else if (!rtc->ops->set_time) err = -EINVAL; else - err = rtc->ops->set_time(class_dev->dev, tm); + err = rtc->ops->set_time(rtc->dev.parent, tm); mutex_unlock(&rtc->ops_lock); return err; } EXPORT_SYMBOL_GPL(rtc_set_time); -int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) +int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -73,11 +70,11 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) if (!rtc->ops) err = -ENODEV; else if (rtc->ops->set_mmss) - err = rtc->ops->set_mmss(class_dev->dev, secs); + err = rtc->ops->set_mmss(rtc->dev.parent, secs); else if (rtc->ops->read_time && rtc->ops->set_time) { struct rtc_time new, old; - err = rtc->ops->read_time(class_dev->dev, &old); + err = rtc->ops->read_time(rtc->dev.parent, &old); if (err == 0) { rtc_time_to_tm(secs, &new); @@ -89,7 +86,8 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) */ if (!((old.tm_hour == 23 && old.tm_min == 59) || (new.tm_hour == 23 && new.tm_min == 59))) - err = rtc->ops->set_time(class_dev->dev, &new); + err = rtc->ops->set_time(rtc->dev.parent, + &new); } } else @@ -101,10 +99,9 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) } EXPORT_SYMBOL_GPL(rtc_set_mmss); -int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) +int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -116,7 +113,7 @@ int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) err = -EINVAL; else { memset(alarm, 0, sizeof(struct rtc_wkalrm)); - err = rtc->ops->read_alarm(class_dev->dev, alarm); + err = rtc->ops->read_alarm(rtc->dev.parent, alarm); } mutex_unlock(&rtc->ops_lock); @@ -124,10 +121,13 @@ int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_read_alarm); -int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) +int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); + + err = rtc_valid_tm(&alarm->time); + if (err != 0) + return err; err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -138,7 +138,7 @@ int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) else if (!rtc->ops->set_alarm) err = -EINVAL; else - err = rtc->ops->set_alarm(class_dev->dev, alarm); + err = rtc->ops->set_alarm(rtc->dev.parent, alarm); mutex_unlock(&rtc->ops_lock); return err; @@ -147,16 +147,14 @@ EXPORT_SYMBOL_GPL(rtc_set_alarm); /** * rtc_update_irq - report RTC periodic, alarm, and/or update irqs - * @class_dev: the rtc's class device + * @rtc: the rtc device * @num: how many irqs are being reported (usually one) * @events: mask of RTC_IRQF with one or more of RTC_PF, RTC_AF, RTC_UF * Context: in_interrupt(), irqs blocked */ -void rtc_update_irq(struct class_device *class_dev, +void rtc_update_irq(struct rtc_device *rtc, unsigned long num, unsigned long events) { - struct rtc_device *rtc = to_rtc_device(class_dev); - spin_lock(&rtc->irq_lock); rtc->irq_data = (rtc->irq_data + (num << 8)) | events; spin_unlock(&rtc->irq_lock); @@ -171,40 +169,43 @@ void rtc_update_irq(struct class_device *class_dev, } EXPORT_SYMBOL_GPL(rtc_update_irq); -struct class_device *rtc_class_open(char *name) +struct rtc_device *rtc_class_open(char *name) { - struct class_device *class_dev = NULL, - *class_dev_tmp; + struct device *dev; + struct rtc_device *rtc = NULL; down(&rtc_class->sem); - list_for_each_entry(class_dev_tmp, &rtc_class->children, node) { - if (strncmp(class_dev_tmp->class_id, name, BUS_ID_SIZE) == 0) { - class_dev = class_device_get(class_dev_tmp); + list_for_each_entry(dev, &rtc_class->devices, node) { + if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0) { + dev = get_device(dev); + if (dev) + rtc = to_rtc_device(dev); break; } } - if (class_dev) { - if (!try_module_get(to_rtc_device(class_dev)->owner)) - class_dev = NULL; + if (rtc) { + if (!try_module_get(rtc->owner)) { + put_device(dev); + rtc = NULL; + } } up(&rtc_class->sem); - return class_dev; + return rtc; } EXPORT_SYMBOL_GPL(rtc_class_open); -void rtc_class_close(struct class_device *class_dev) +void rtc_class_close(struct rtc_device *rtc) { - module_put(to_rtc_device(class_dev)->owner); - class_device_put(class_dev); + module_put(rtc->owner); + put_device(&rtc->dev); } EXPORT_SYMBOL_GPL(rtc_class_close); -int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) +int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task) { int retval = -EBUSY; - struct rtc_device *rtc = to_rtc_device(class_dev); if (task == NULL || task->func == NULL) return -EINVAL; @@ -220,9 +221,8 @@ int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) } EXPORT_SYMBOL_GPL(rtc_irq_register); -void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) +void rtc_irq_unregister(struct rtc_device *rtc, struct rtc_task *task) { - struct rtc_device *rtc = to_rtc_device(class_dev); spin_lock_irq(&rtc->irq_task_lock); if (rtc->irq_task == task) @@ -231,11 +231,10 @@ void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) } EXPORT_SYMBOL_GPL(rtc_irq_unregister); -int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int enabled) +int rtc_irq_set_state(struct rtc_device *rtc, struct rtc_task *task, int enabled) { int err = 0; unsigned long flags; - struct rtc_device *rtc = to_rtc_device(class_dev); if (rtc->ops->irq_set_state == NULL) return -ENXIO; @@ -246,17 +245,16 @@ int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int spin_unlock_irqrestore(&rtc->irq_task_lock, flags); if (err == 0) - err = rtc->ops->irq_set_state(class_dev->dev, enabled); + err = rtc->ops->irq_set_state(rtc->dev.parent, enabled); return err; } EXPORT_SYMBOL_GPL(rtc_irq_set_state); -int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int freq) +int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq) { int err = 0; unsigned long flags; - struct rtc_device *rtc = to_rtc_device(class_dev); if (rtc->ops->irq_set_freq == NULL) return -ENXIO; @@ -267,7 +265,7 @@ int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int spin_unlock_irqrestore(&rtc->irq_task_lock, flags); if (err == 0) { - err = rtc->ops->irq_set_freq(class_dev->dev, freq); + err = rtc->ops->irq_set_freq(rtc->dev.parent, freq); if (err == 0) rtc->irq_freq = freq; }