linux-kernel - Re: [PATCH 4/4] DMA: PL330: add device tree property for DMA

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Message-ID: <CABb+yY1Ztu2n38ObXJq+shOoXw6yk0YK39QUHhDN_pJKziAFQg@mail.gmail.com>
Date:	Mon, 29 Oct 2012 22:45:48 +0100
From:	Jassi Brar <jassisinghbrar@...il.com>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, vinod.koul@...el.com,
	kgene.kim@...sung.com, rob.herring@...xeda.com,
	dinguyen@...era.com, pawel.moll@....com, t.figa@...sung.com,
	kyungmin.park@...sung.com
Subject: Re: [PATCH 4/4] DMA: PL330: add device tree property for DMA_MEMCPY capability

On Mon, Oct 29, 2012 at 10:59 AM, Bartlomiej Zolnierkiewicz
<b.zolnierkie@...sung.com> wrote:
> * Add device tree (DT) property ("pl330,dma-memcpy") for DMA_MEMCPY
>   capability and instead of setting this capability unconditionally
>   in pl330_probe() do it only when property is present.
>
Perhaps we should pass the array of peripheral interfaces via DT, the
lack of which could imply MEMCPY capability ? (while it works, I doubt
if pl330 is supposed to have SLAVE and MEMCPY capabilities in any
instance)
That would also be a step towards discarding "struct dma_pl330_platdata".
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