rtc: use class iteration api
Convert to use the class iteration api. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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71da890509
1 changed files with 12 additions and 10 deletions
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@ -251,20 +251,23 @@ void rtc_update_irq(struct rtc_device *rtc,
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}
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EXPORT_SYMBOL_GPL(rtc_update_irq);
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static int __rtc_match(struct device *dev, void *data)
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{
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char *name = (char *)data;
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if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0)
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return 1;
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return 0;
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}
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struct rtc_device *rtc_class_open(char *name)
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{
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struct device *dev;
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struct rtc_device *rtc = NULL;
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down(&rtc_class->sem);
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list_for_each_entry(dev, &rtc_class->devices, node) {
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if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0) {
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dev = get_device(dev);
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if (dev)
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rtc = to_rtc_device(dev);
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break;
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}
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}
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dev = class_find_device(rtc_class, name, __rtc_match);
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if (dev)
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rtc = to_rtc_device(dev);
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if (rtc) {
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if (!try_module_get(rtc->owner)) {
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@ -272,7 +275,6 @@ struct rtc_device *rtc_class_open(char *name)
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rtc = NULL;
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}
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}
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up(&rtc_class->sem);
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return rtc;
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}
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