linux-kernel - Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero

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Date:	Thu, 20 Aug 2015 11:45:04 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	linux-sunxi@...glegroups.com, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero

On Thu, Aug 20, 2015 at 02:19:46PM -0000, Michal Suchanek wrote:
> When the maximum transfer speed is not set for a SPI slave the value
> remains 0 and the code in sunxi SPI divides by it. Use an arbitrary
> speed instead in that case.

You should always be using the transfer speed that is defined per
transfer, the core will ensure that this is always set.

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