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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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This commit is contained in:
Linus Torvalds
2006-01-12 12:23:49 -08:00
parent 8b87e1baff 00431707be
commit bf785ee0ae
37 changed files with 6114 additions and 135 deletions
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15
arch/arm/common/rtctime.c
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@@ -19,6 +19,7 @@
#include <linux/spinlock.h>
#include <linux/capability.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <asm/rtc.h>
#include <asm/semaphore.h>
@@ -35,7 +36,7 @@ static unsigned long rtc_irq_data;
/*
* rtc_sem protects rtc_inuse and rtc_ops
*/
static DECLARE_MUTEX(rtc_sem);
static DEFINE_MUTEX(rtc_mutex);
static unsigned long rtc_inuse;
static struct rtc_ops *rtc_ops;
@@ -356,7 +357,7 @@ static int rtc_open(struct inode *inode, struct file *file)
{
int ret;
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc_inuse) {
ret = -EBUSY;
@@ -374,7 +375,7 @@ static int rtc_open(struct inode *inode, struct file *file)
rtc_inuse = 1;
}
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
return ret;
}
@@ -480,7 +481,7 @@ int register_rtc(struct rtc_ops *ops)
{
int ret = -EBUSY;
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc_ops == NULL) {
rtc_ops = ops;
@@ -489,7 +490,7 @@ int register_rtc(struct rtc_ops *ops)
create_proc_read_entry("driver/rtc", 0, NULL,
rtc_read_proc, ops);
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
return ret;
}
@@ -497,12 +498,12 @@ EXPORT_SYMBOL(register_rtc);
void unregister_rtc(struct rtc_ops *rtc)
{
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc == rtc_ops) {
remove_proc_entry("driver/rtc", NULL);
misc_deregister(&rtc_miscdev);
rtc_ops = NULL;
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
}
EXPORT_SYMBOL(unregister_rtc);