From hidave.darkstar@gmail.com Tue Jan 22 14:28:39 2008 From: Dave Young Date: Tue, 22 Jan 2008 14:00:34 +0800 Subject: rtc: use class iteration api To: a.zummo@towertech.it Cc: gregkh@suse.de, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com Message-ID: <20080122060034.GE3066@darkstar.te-china.tietoenator.com> Content-Disposition: inline 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(-) --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -251,20 +251,23 @@ void rtc_update_irq(struct rtc_device *r } 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 * rtc = NULL; } } - up(&rtc_class->sem); return rtc; }