Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / drivers / rtc / interface.c

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index de0da545c7a107c0c967e35b9a4eb3daa4cf1c5b..f1e00ff54ce880fb94c69a38064abe6680c83933 100644 (file)
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -293,7 +293,7 @@ int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task)
                return -EINVAL;
 
        /* Cannot register while the char dev is in use */
-       if (!(mutex_trylock(&rtc->char_lock)))
+       if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags))
                return -EBUSY;
 
        spin_lock_irq(&rtc->irq_task_lock);
@@ -303,7 +303,7 @@ int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task)
        }
        spin_unlock_irq(&rtc->irq_task_lock);
 
-       mutex_unlock(&rtc->char_lock);
+       clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags);
 
        return retval;
 }