From 71da890509fec13d54329485bf5e4ac16b992bb6 Mon Sep 17 00:00:00 2001 From: Dave Young Date: Tue, 22 Jan 2008 14:00:34 +0800 Subject: rtc: use class iteration api Convert to use the class iteration api. Signed-off-by: Dave Young Cc: Alessandro Zummo Signed-off-by: Greg Kroah-Hartman --- drivers/rtc/interface.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers/rtc') diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index f1e00ff54ce..7e3ad4f3b34 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -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; } -- cgit v1.2.3