Hi Morimoto-san, On Tue, Mar 10, 2015 at 2:46 AM, Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> wrote: > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > Renesas R-Car sound (= rsnd) needs 2 DMAC which are called as > Audio DMAC (= 1st DMAC) and Audio DMAC peri peri (2nd DMAC). > And rsnd had assumed that 1st / 2nd DMACs are implemented as DMAEngine. > But, in result of DMA ML discussion, 2nd DMAC was concluded that it is > not a general purpose DMAC (2nd DMAC is for Device to Device inside > sound system). Additionally, current DMAEngine can't support Device to > Device, and we don't have correct DT bindings for it at this point. > So the easiest solution for it is that move it from DMAEngine to rsnd > driver. > Audio DMAC peri peri on DMAEngine is no longer needed. remove it. Thanks! > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> You can add my Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> if you add the removal of the DT bindings in Documentation/devicetree/bindings/dma/rcar-audmapp.txt Afer that, there's still a reference in arch/arm/configs/multi_v7_defconfig:CONFIG_RCAR_AUDMAC_PP=m but that should be handled in a separate patch. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html