linux-kernel - Re: [PATCH v2] spi/pl022: Devicetree support w/o platform data

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Date:	Tue, 18 Sep 2012 14:43:28 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Roland Stigge <stigge@...com.de>
Cc:	broonie@...nsource.wolfsonmicro.com, grant.likely@...retlab.ca,
	linus.walleij@...aro.org, lee.jones@...aro.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	STEricsson_nomadik_linux@...t.st.com,
	devicetree-discuss@...ts.ozlabs.org, aletes.xgr@...il.com,
	kevin.wells@....com, srinivas.bakki@....com
Subject: Re: [PATCH v2] spi/pl022: Devicetree support w/o platform data

On Tuesday 18 September 2012, Roland Stigge wrote:
> Even with devicetree support, we needed platform data to provide some data,
> leading to mixed device tree and platform data. This patch makes it possible to
> provide all that information via device tree. Now, the data must be provided
> via platform data or device tree completely.
> 
> Only in case of DMA where a callback specification is necessary (dma_filter()),
> platform data is the only option.
> 
> Signed-off-by: Roland Stigge <stigge@...com.de>

Acked-by: Arnd Bergmann <arnd@...db.de>
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