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| author | Dave Young <hidave.darkstar@gmail.com> | 2008-01-22 14:00:34 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-01-24 20:40:44 -0800 |
| commit | 71da890509fec13d54329485bf5e4ac16b992bb6 (patch) | |
| tree | dc9fd8cac1ad04454c8709b93d9f63bcdcc48750 /drivers/rtc | |
| parent | 443cad920a1c6894da3de917ce02a194cc6d80ea (diff) | |
| download | linux-71da890509fec13d54329485bf5e4ac16b992bb6.tar.gz linux-71da890509fec13d54329485bf5e4ac16b992bb6.tar.bz2 linux-71da890509fec13d54329485bf5e4ac16b992bb6.zip | |
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>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/interface.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index f1e00ff54ce8..7e3ad4f3b343 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; } |