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authorGeert Uytterhoeven <geert@linux-m68k.org>2014-12-15 10:40:28 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-12-23 16:28:09 -0200
commit99f3cd52aee21091ce62442285a68873e3be833f (patch)
tree80764a84e0c1bcdbad6681be5c8e52b0fa49dd6f /drivers/media/v4l2-core/videobuf2-vmalloc.c
parent983c5bd26b86ba1c0d79b770e596bb8b77e42f32 (diff)
[media] vb2-vmalloc: Protect DMA-specific code by #ifdef CONFIG_HAS_DMA
If NO_DMA=y: drivers/built-in.o: In function `vb2_vmalloc_dmabuf_ops_detach': videobuf2-vmalloc.c:(.text+0x6f11b0): undefined reference to `dma_unmap_sg' drivers/built-in.o: In function `vb2_vmalloc_dmabuf_ops_map': videobuf2-vmalloc.c:(.text+0x6f1266): undefined reference to `dma_unmap_sg' videobuf2-vmalloc.c:(.text+0x6f1282): undefined reference to `dma_map_sg' As we don't want to make the core VIDEOBUF2_VMALLOC depend on HAS_DMA (it's v4l2 core code, and selected by a lot of drivers), stub out the DMA support if HAS_DMA is not set. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/v4l2-core/videobuf2-vmalloc.c')
-rw-r--r--drivers/media/v4l2-core/videobuf2-vmalloc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c
index 7f6d41b18de9..bcde88572429 100644
--- a/drivers/media/v4l2-core/videobuf2-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c
@@ -211,6 +211,7 @@ static int vb2_vmalloc_mmap(void *buf_priv, struct vm_area_struct *vma)
return 0;
}
+#ifdef CONFIG_HAS_DMA
/*********************************************/
/* DMABUF ops for exporters */
/*********************************************/
@@ -380,6 +381,8 @@ static struct dma_buf *vb2_vmalloc_get_dmabuf(void *buf_priv, unsigned long flag
return dbuf;
}
+#endif /* CONFIG_HAS_DMA */
+
/*********************************************/
/* callbacks for DMABUF buffers */
@@ -437,7 +440,9 @@ const struct vb2_mem_ops vb2_vmalloc_memops = {
.put = vb2_vmalloc_put,
.get_userptr = vb2_vmalloc_get_userptr,
.put_userptr = vb2_vmalloc_put_userptr,
+#ifdef CONFIG_HAS_DMA
.get_dmabuf = vb2_vmalloc_get_dmabuf,
+#endif
.map_dmabuf = vb2_vmalloc_map_dmabuf,
.unmap_dmabuf = vb2_vmalloc_unmap_dmabuf,
.attach_dmabuf = vb2_vmalloc_attach_dmabuf,

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