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authorJes Sorensen <jes@sgi.com>2006-02-19 00:21:46 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2006-02-19 00:21:46 -0500
commite676c232e670e27d8b3783e1167f34288e17c83f (patch)
tree65b4c990273cded5bf3ab7af3504973bad7dcd2d /drivers/input/input.c
parent02860ab6cd2c71dbe42fa70a65a97823c213635b (diff)
Input: input core - semaphore to mutex conversion
Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/input.c')
-rw-r--r--drivers/input/input.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 4fe3da3c667..3e22bb11ee0 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/device.h>
+#include <linux/mutex.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
@@ -224,7 +225,7 @@ int input_open_device(struct input_handle *handle)
struct input_dev *dev = handle->dev;
int err;
- err = down_interruptible(&dev->sem);
+ err = mutex_lock_interruptible(&dev->mutex);
if (err)
return err;
@@ -236,7 +237,7 @@ int input_open_device(struct input_handle *handle)
if (err)
handle->open--;
- up(&dev->sem);
+ mutex_unlock(&dev->mutex);
return err;
}
@@ -255,13 +256,13 @@ void input_close_device(struct input_handle *handle)
input_release_device(handle);
- down(&dev->sem);
+ mutex_lock(&dev->mutex);
if (!--dev->users && dev->close)
dev->close(dev);
handle->open--;
- up(&dev->sem);
+ mutex_unlock(&dev->mutex);
}
static void input_link_handle(struct input_handle *handle)
@@ -512,13 +513,13 @@ static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \
struct input_dev *input_dev = to_input_dev(dev); \
int retval; \
\
- retval = down_interruptible(&input_dev->sem); \
+ retval = mutex_lock_interruptible(&input_dev->mutex); \
if (retval) \
return retval; \
\
retval = sprintf(buf, "%s\n", input_dev->name ? input_dev->name : ""); \
\
- up(&input_dev->sem); \
+ mutex_unlock(&input_dev->mutex); \
\
return retval; \
} \
@@ -790,7 +791,7 @@ int input_register_device(struct input_dev *dev)
return -EINVAL;
}
- init_MUTEX(&dev->sem);
+ mutex_init(&dev->mutex);
set_bit(EV_SYN, dev->evbit);
/*