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authorScott Jiang <[scott.jiang.linux@gmail.com]>2011-09-21 09:25:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-03 18:29:13 -0200
commit6f524ec156ba31a18425fad9dd1287be0701d9d1 (patch)
treef9264cae6e442d9d346dc6cc73cb749c62be53a0 /include/media/videobuf2-core.h
parentbfa8dd3a05248457fce18712e7bc0499030b3100 (diff)
[media] vb2: add vb2_get_unmapped_area in vb2 core
no mmu system needs get_unmapped_area file operations to do mmap Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/videobuf2-core.h')
-rw-r--r--include/media/videobuf2-core.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 55c57d3d3e63..a15d1f1b319e 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -322,6 +322,13 @@ int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type);
int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type);
int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma);
+#ifndef CONFIG_MMU
+unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
+ unsigned long addr,
+ unsigned long len,
+ unsigned long pgoff,
+ unsigned long flags);
+#endif
unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait);
size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
loff_t *ppos, int nonblock);

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