Hi, On Tue, Nov 27, 2012 at 12:47 PM, Kyungmin Park <kyungmin.park@xxxxxxxxxxx> wrote: > Hi, > > Does it right to use CONFIG_HAVE_GENERIC_DMA_COHERENT? > it defined at init/Kconfig > > config HAVE_GENERIC_DMA_COHERENT > bool > default n > and use at C file or header file as CONFIG_ prefix? > e.g., include/asm-generic/dma-coherent.h:#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT > My Bad right fix should have been this: ------------------x----------------------- diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c index 5729450..083b065 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -226,7 +226,7 @@ static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma) /* DMABUF ops for exporters */ /*********************************************/ -#ifdef HAVE_GENERIC_DMA_COHERENT +#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT struct vb2_dc_attachment { struct sg_table sgt; Regards, --Prabhakar > Thank you, > Kyungmin Park > > On 11/27/12, Prabhakar Lad <prabhakar.csengg@xxxxxxxxx> wrote: >> From: Lad, Prabhakar <prabhakar.lad@xxxxxx> >> >> from commit 93049b9368a2e257ace66252ab2cc066f3399cad, which adds >> a check HAVE_GENERIC_DMA_COHERENT for dma ops, the check was wrongly >> made it should have been HAVE_GENERIC_DMA_COHERENT but it was >> CONFIG_HAVE_GENERIC_DMA_COHERENT. >> This patch fixes the typo, which was causing following build error: >> >> videobuf2-dma-contig.c:743: error: 'vb2_dc_get_dmabuf' undeclared here (not >> in a function) >> make[3]: *** [drivers/media/v4l2-core/videobuf2-dma-contig.o] Error 1 >> >> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx> >> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx> >> --- >> drivers/media/v4l2-core/videobuf2-dma-contig.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c >> b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> index 5729450..dfea692 100644 >> --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c >> +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> @@ -739,7 +739,7 @@ static void *vb2_dc_attach_dmabuf(void *alloc_ctx, >> struct dma_buf *dbuf, >> const struct vb2_mem_ops vb2_dma_contig_memops = { >> .alloc = vb2_dc_alloc, >> .put = vb2_dc_put, >> -#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT >> +#ifdef HAVE_GENERIC_DMA_COHERENT >> .get_dmabuf = vb2_dc_get_dmabuf, >> #endif >> .cookie = vb2_dc_cookie, >> -- >> 1.7.0.4 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html