aboutsummaryrefslogtreecommitdiff
path: root/include/media
diff options
context:
space:
mode:
Diffstat (limited to 'include/media')
-rw-r--r--include/media/saa7146.h21
-rw-r--r--include/media/video-buf-dvb.h2
-rw-r--r--include/media/video-buf.h2
3 files changed, 14 insertions, 11 deletions
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index 2bc634fcb7b..fee579f10b3 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -11,6 +11,8 @@
#include <linux/i2c.h> /* for i2c subsystem */
#include <asm/io.h> /* for accessing devices */
#include <linux/stringify.h>
+#include <linux/mutex.h>
+
#include <linux/vmalloc.h> /* for vmalloc() */
#include <linux/mm.h> /* for vmalloc_to_page() */
@@ -112,7 +114,7 @@ struct saa7146_dev
/* different device locks */
spinlock_t slock;
- struct semaphore lock;
+ struct mutex lock;
unsigned char __iomem *mem; /* pointer to mapped IO memory */
int revision; /* chip revision; needed for bug-workarounds*/
@@ -133,15 +135,16 @@ struct saa7146_dev
void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);
/* i2c-stuff */
- struct semaphore i2c_lock;
- u32 i2c_bitrate;
- struct saa7146_dma d_i2c; /* pointer to i2c memory */
- wait_queue_head_t i2c_wq;
- int i2c_op;
+ struct mutex i2c_lock;
+
+ u32 i2c_bitrate;
+ struct saa7146_dma d_i2c; /* pointer to i2c memory */
+ wait_queue_head_t i2c_wq;
+ int i2c_op;
/* memories */
- struct saa7146_dma d_rps0;
- struct saa7146_dma d_rps1;
+ struct saa7146_dma d_rps0;
+ struct saa7146_dma d_rps1;
};
/* from saa7146_i2c.c */
@@ -150,7 +153,7 @@ int saa7146_i2c_transfer(struct saa7146_dev *saa, const struct i2c_msg *msgs, in
/* from saa7146_core.c */
extern struct list_head saa7146_devices;
-extern struct semaphore saa7146_devices_lock;
+extern struct mutex saa7146_devices_lock;
int saa7146_register_extension(struct saa7146_extension*);
int saa7146_unregister_extension(struct saa7146_extension*);
struct saa7146_format* format_by_fourcc(struct saa7146_dev *dev, int fourcc);
diff --git a/include/media/video-buf-dvb.h b/include/media/video-buf-dvb.h
index ad0a07a3a89..b78d90fe629 100644
--- a/include/media/video-buf-dvb.h
+++ b/include/media/video-buf-dvb.h
@@ -11,7 +11,7 @@ struct videobuf_dvb {
struct videobuf_queue dvbq;
/* video-buf-dvb state info */
- struct semaphore lock;
+ struct mutex lock;
struct task_struct *thread;
int nfeeds;
diff --git a/include/media/video-buf.h b/include/media/video-buf.h
index 8ecfd78e002..d90dec5484e 100644
--- a/include/media/video-buf.h
+++ b/include/media/video-buf.h
@@ -177,7 +177,7 @@ struct videobuf_queue_ops {
};
struct videobuf_queue {
- struct semaphore lock;
+ struct mutex lock;
spinlock_t *irqlock;
struct pci_dev *pci;