linux-kernel - Re: [PATCH/RESEND] [media] VIDEO_CAFE_CCIC should select VIDEOBUF2_DMA

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Message-ID: <20141215091356.3f03f0d7@lwn.net>
Date:	Mon, 15 Dec 2014 09:13:56 -0500
From:	Jonathan Corbet <corbet@....net>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Linux Media Mailing List <linux-media@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH/RESEND] [media] VIDEO_CAFE_CCIC should select
 VIDEOBUF2_DMA_SG

On Mon, 15 Dec 2014 15:10:38 +0100
Geert Uytterhoeven <geert@...ux-m68k.org> wrote:

> If the driver cannot do SG, perhaps this block should be removed from
> drivers/media/platform/marvell-ccic/mcam-core.h?
> 
>     #if IS_ENABLED(CONFIG_VIDEOBUF2_DMA_SG)
>     #define MCAM_MODE_DMA_SG 1
>     #endif

Other drivers using the Marvell core can do S/G, though, so that option
needs to remain.  Applying your patch is almost certainly the most
straightforward solution at this point.

Thanks,

jon
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