On Fri, Aug 21, 2015 at 05:35:58AM +0000, Kuninori Morimoto wrote:
>
> Hi Vinod
>
> ${LINUX}/drivers/dma/of-dma.c will be compiled if .config has DMA_OF
>
> obj-$(CONFIG_DMA_OF) += of-dma.o
>
> But, ${LINUX}/include/linux/of_dma.h is based on CONFIG_OF
Intially it was OF only and then DMA_OF was added. I think we missed it
during the move, so yes your below patch makes sense
Can you please send as formal patch for me to apply
--
~Vinod
>
> #ifdef CONFIG_OF
> extern int of_dma_controller_register(struct device_node *np,
> ...
> #else
> static inline int of_dma_controller_register(struct device_node *np,
> ...
> #endif
>
> I have issue if .config has CONFIG_OF but not have DMA_OF.
> Is this correct patch ?
>
> ---------------------------------
> diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
> index 98ba752..9440622 100644
> --- a/include/linux/of_dma.h
> +++ b/include/linux/of_dma.h
> @@ -34,7 +34,7 @@ struct of_dma_filter_info {
> dma_filter_fn filter_fn;
> };
>
> -#ifdef CONFIG_OF
> +#ifdef DMA_OF
> extern int of_dma_controller_register(struct device_node *np,
> struct dma_chan *(*of_dma_xlate)
> (struct of_phandle_args *, struct of_dma *),
> ---------------------------------
>
>
> Best regards
> ---
> Kuninori Morimoto
--
--
~Vinod
--
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