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path: root/linux/drivers/media/video/videobuf-core.c
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Diffstat (limited to 'linux/drivers/media/video/videobuf-core.c')
-rw-r--r--linux/drivers/media/video/videobuf-core.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/linux/drivers/media/video/videobuf-core.c b/linux/drivers/media/video/videobuf-core.c
index cf5033b68..b5395c538 100644
--- a/linux/drivers/media/video/videobuf-core.c
+++ b/linux/drivers/media/video/videobuf-core.c
@@ -148,7 +148,7 @@ void videobuf_queue_core_init(struct videobuf_queue *q,
/* Having implementations for abstract methods are mandatory */
BUG_ON(!q->int_ops);
- mutex_init(&q->lock);
+ mutex_init(&q->vb_lock);
INIT_LIST_HEAD(&q->stream);
}
@@ -190,7 +190,7 @@ int videobuf_queue_is_busy(struct videobuf_queue *q)
return 0;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
void videobuf_queue_cancel(struct videobuf_queue *q)
{
unsigned long flags = 0;
@@ -221,7 +221,7 @@ void videobuf_queue_cancel(struct videobuf_queue *q)
/* --------------------------------------------------------------------- */
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
enum v4l2_field videobuf_next_field(struct videobuf_queue *q)
{
enum v4l2_field field = q->field;
@@ -240,7 +240,7 @@ enum v4l2_field videobuf_next_field(struct videobuf_queue *q)
return field;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b,
struct videobuf_buffer *vb, enum v4l2_buf_type type)
{
@@ -296,7 +296,7 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b,
b->sequence = vb->field_count >> 1;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static int __videobuf_mmap_free(struct videobuf_queue *q)
{
int i;
@@ -329,13 +329,13 @@ static int __videobuf_mmap_free(struct videobuf_queue *q)
int videobuf_mmap_free(struct videobuf_queue *q)
{
int ret;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
ret = __videobuf_mmap_free(q);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return ret;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static int __videobuf_mmap_setup(struct videobuf_queue *q,
unsigned int bcount, unsigned int bsize,
enum v4l2_memory memory)
@@ -385,9 +385,9 @@ int videobuf_mmap_setup(struct videobuf_queue *q,
enum v4l2_memory memory)
{
int ret;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
ret = __videobuf_mmap_setup(q, bcount, bsize, memory);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return ret;
}
@@ -409,7 +409,7 @@ int videobuf_reqbufs(struct videobuf_queue *q,
return -EINVAL;
}
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
if (req->type != q->type) {
dprintk(1, "reqbufs: queue type invalid\n");
retval = -EINVAL;
@@ -445,7 +445,7 @@ int videobuf_reqbufs(struct videobuf_queue *q,
req->count = retval;
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
@@ -453,7 +453,7 @@ int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b)
{
int ret = -EINVAL;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
if (unlikely(b->type != q->type)) {
dprintk(1, "querybuf: Wrong type.\n");
goto done;
@@ -471,7 +471,7 @@ int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b)
ret = 0;
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return ret;
}
@@ -488,7 +488,7 @@ int videobuf_qbuf(struct videobuf_queue *q,
if (b->memory == V4L2_MEMORY_MMAP)
down_read(&current->mm->mmap_sem);
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = -EBUSY;
if (q->reading) {
dprintk(1, "qbuf: Reading running...\n");
@@ -574,7 +574,7 @@ int videobuf_qbuf(struct videobuf_queue *q,
retval = 0;
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
if (b->memory == V4L2_MEMORY_MMAP)
up_read(&current->mm->mmap_sem);
@@ -590,7 +590,7 @@ int videobuf_dqbuf(struct videobuf_queue *q,
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = -EBUSY;
if (q->reading) {
dprintk(1, "dqbuf: Reading running...\n");
@@ -633,7 +633,7 @@ int videobuf_dqbuf(struct videobuf_queue *q,
videobuf_status(q, b, buf, q->type);
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
@@ -643,7 +643,7 @@ int videobuf_streamon(struct videobuf_queue *q)
unsigned long flags = 0;
int retval;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = -EBUSY;
if (q->reading)
goto done;
@@ -660,11 +660,11 @@ int videobuf_streamon(struct videobuf_queue *q)
spin_unlock_irqrestore(q->irqlock, flags);
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static int __videobuf_streamoff(struct videobuf_queue *q)
{
if (!q->streaming)
@@ -680,14 +680,14 @@ int videobuf_streamoff(struct videobuf_queue *q)
{
int retval;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = __videobuf_streamoff(q);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static ssize_t videobuf_read_zerocopy(struct videobuf_queue *q,
char __user *data,
size_t count, loff_t *ppos)
@@ -746,7 +746,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
nbufs = 1; size = 0;
q->ops->buf_setup(q, &nbufs, &size);
@@ -818,11 +818,11 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
}
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
-/* Locking: Caller holds q->lock */
+/* Locking: Caller holds q->vb_lock */
static int __videobuf_read_start(struct videobuf_queue *q)
{
enum v4l2_field field;
@@ -883,23 +883,23 @@ int videobuf_read_start(struct videobuf_queue *q)
{
int rc;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
rc = __videobuf_read_start(q);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return rc;
}
void videobuf_read_stop(struct videobuf_queue *q)
{
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
__videobuf_read_stop(q);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
}
void videobuf_stop(struct videobuf_queue *q)
{
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
if (q->streaming)
__videobuf_streamoff(q);
@@ -907,7 +907,7 @@ void videobuf_stop(struct videobuf_queue *q)
if (q->reading)
__videobuf_read_stop(q);
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
}
@@ -921,7 +921,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
dprintk(2, "%s\n", __FUNCTION__);
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = -EBUSY;
if (q->streaming)
goto done;
@@ -981,7 +981,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
}
done:
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
@@ -992,7 +992,7 @@ unsigned int videobuf_poll_stream(struct file *file,
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
if (q->streaming) {
if (!list_empty(&q->stream))
buf = list_entry(q->stream.next,
@@ -1020,7 +1020,7 @@ unsigned int videobuf_poll_stream(struct file *file,
buf->state == VIDEOBUF_ERROR)
rc = POLLIN|POLLRDNORM;
}
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return rc;
}
@@ -1031,10 +1031,10 @@ int videobuf_mmap_mapper(struct videobuf_queue *q,
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
- mutex_lock(&q->lock);
+ mutex_lock(&q->vb_lock);
retval = CALL(q, mmap_mapper, q, vma);
q->is_mmapped = 1;
- mutex_unlock(&q->lock);
+ mutex_unlock(&q->vb_lock);
return retval;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-05 20:28:40 +0000