linux-kernel - Re: [PATCH] spi: core: Ignore unsupported Dual/Quad Transfer Mode bits

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Message-ID: <20140418172607.GP12304@sirena.org.uk>
Date:	Fri, 18 Apr 2014 18:26:07 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH] spi: core: Ignore unsupported Dual/Quad Transfer Mode
 bits

On Mon, Apr 14, 2014 at 07:39:53PM +0200, Geert Uytterhoeven wrote:
> From: Geert Uytterhoeven <geert+renesas@...der.be>
> 
> The availability of SPI Dual or Quad Transfer Mode as indicated by the
> "spi-tx-bus-width" and "spi-rx-bus-width" properties in the device tree is
> a hardware property of the SPI master, SPI slave, and board wiring.  Hence
> the SPI core should not reject an SPI slave because an SPI master driver
> doesn't (yet) support Dual or Quad Transfer Mode.

Applied, thanks.

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