linux-kernel - Re: [PATCH] [media] media: Kconfig: add dependency of HAS

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Message-ID: <20160111125310.GA19742@sudip-pc>
Date:	Mon, 11 Jan 2016 18:23:11 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Mauro Carvalho Chehab <mchehab@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] [media] media: Kconfig: add dependency of HAS_DMA

On Wed, Dec 30, 2015 at 06:56:03PM +0530, Sudip Mukherjee wrote:
> The build of m32r allmodconfig fails with the error:
> drivers/media/v4l2-core/videobuf2-dma-contig.c:484:2:
> 	error: implicit declaration of function 'dma_get_cache_alignment'
> 
> The build of videobuf2-dma-contig.c depends on HAS_DMA and it is
> correctly mentioned in the Kconfig but the symbol VIDEO_STI_BDISP also
> selects VIDEOBUF2_DMA_CONTIG, so it is trying to compile
> videobuf2-dma-contig.c even though HAS_DMA is not defined.
> 
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---

A gentle ping. m32r allmodconfig still fails with next-20160111. Build
log is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/101536379

regards
sudip