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rtc: use class iteration api

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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>
This commit is contained in:
Dave Young 2008-01-22 14:00:34 +08:00 committed by Greg Kroah-Hartman
parent 443cad920a
commit 71da890509
1 changed files with 12 additions and 10 deletions
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22
drivers/rtc/interface.c
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@ -251,20 +251,23 @@ void rtc_update_irq(struct rtc_device *rtc,
}
EXPORT_SYMBOL_GPL(rtc_update_irq);
static int __rtc_match(struct device *dev, void *data)
{
char *name = (char *)data;
if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0)
return 1;
return 0;
}
struct rtc_device *rtc_class_open(char *name)
{
struct device *dev;
struct rtc_device *rtc = NULL;
down(&rtc_class->sem);
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;
}
}
dev = class_find_device(rtc_class, name, __rtc_match);
if (dev)
rtc = to_rtc_device(dev);
if (rtc) {
if (!try_module_get(rtc->owner)) {
@ -272,7 +275,6 @@ struct rtc_device *rtc_class_open(char *name)
rtc = NULL;
}
}
up(&rtc_class->sem);
return rtc;
}