Hi Geert, On Friday 06 September 2013 14:43:56 Geert Uytterhoeven wrote: > If NO_DMA=y: > > warning: (... && VIDEO_RENESAS_VSP1 && ...) selects VIDEOBUF2_DMA_CONTIG > which has unmet direct dependencies (MEDIA_SUPPORT && HAS_DMA) > > drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’: > drivers/media/v4l2-core/videobuf2-dma-contig.c:202: error: implicit > declaration of function ‘dma_mmap_coherent’ > drivers/media/v4l2-core/videobuf2-dma-contig.c: In function > ‘vb2_dc_get_base_sgt’: drivers/media/v4l2-core/videobuf2-dma-contig.c:385: > error: implicit declaration of function ‘dma_get_sgtable’ make[7]: *** > [drivers/media/v4l2-core/videobuf2-dma-contig.o] Error 1 > > VIDEO_RENESAS_VSP1 (which doesn't have a platform dependency) selects > VIDEOBUF2_DMA_CONTIG, but the latter depends on HAS_DMA. > > Make VIDEO_RENESAS_VSP1 depend on HAS_DMA to fix this. Is there a chance we could fix the Kconfig infrastructure instead ? It warns about the unmet dependency, shouldn't it disallow selecting the driver in the first place ? I have a vague feeling that this topic has been discussed before though. If that's not possible, > Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > drivers/media/platform/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig > index 8068d7b..fbc0611 100644 > --- a/drivers/media/platform/Kconfig > +++ b/drivers/media/platform/Kconfig > @@ -212,7 +212,7 @@ config VIDEO_SH_VEU > > config VIDEO_RENESAS_VSP1 > tristate "Renesas VSP1 Video Processing Engine" > - depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API > + depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && HAS_DMA > select VIDEOBUF2_DMA_CONTIG > ---help--- > This is a V4L2 driver for the Renesas VSP1 video processing engine. -- Regards, Laurent Pinchart -- 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