void *vaddr;
dma_addr_t dma_handle;
unsigned long size;
- int is_userptr;
};
#define MAGIC_DC_MEM 0x0733ac61
struct videobuf_dma_contig_memory *mem;
dev_dbg(q->dev, "munmap %p q=%p\n", map, q);
- mutex_lock(&q->vb_lock);
+ videobuf_queue_lock(q);
/* We need first to cancel streams, before unmapping */
if (q->streaming)
kfree(map);
- mutex_unlock(&q->vb_lock);
+ videobuf_queue_unlock(q);
}
}
*/
static void videobuf_dma_contig_user_put(struct videobuf_dma_contig_memory *mem)
{
- mem->is_userptr = 0;
mem->dma_handle = 0;
mem->size = 0;
}
offset = vb->baddr & ~PAGE_MASK;
mem->size = PAGE_ALIGN(vb->size + offset);
- mem->is_userptr = 0;
ret = -EINVAL;
down_read(&mm->mmap_sem);
pages_done++;
}
- if (!ret)
- mem->is_userptr = 1;
-
out_up:
up_read(¤t->mm->mmap_sem);
enum v4l2_buf_type type,
enum v4l2_field field,
unsigned int msize,
- void *priv)
+ void *priv,
+ struct mutex *ext_lock)
{
videobuf_queue_core_init(q, ops, dev, irqlock, type, field, msize,
- priv, &qops);
+ priv, &qops, ext_lock);
}
EXPORT_SYMBOL_GPL(videobuf_queue_dma_contig_init);