linux-kernel - Re: [PATCH v3 1/3] spi: atmel: add support for the internal chip-select of the spi controller

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Date:	Thu, 7 Jan 2016 15:40:24 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Måns Rullgård <mans@...sr.com>
Cc:	Cyrille Pitchen <cyrille.pitchen@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	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>
Subject: Re: [PATCH v3 1/3] spi: atmel: add support for the internal
 chip-select of the spi controller

On Tue, Jan 05, 2016 at 09:50:54PM +0000, Måns Rullgård wrote:
> Cyrille Pitchen <cyrille.pitchen@...el.com> writes:

> > +	as->use_cs_gpios = true;
> > +	if (atmel_spi_is_v2(as) &&
> > +	    !of_get_property(pdev->dev.of_node, "cs-gpios", NULL)) {
> > +		as->use_cs_gpios = false;
> > +		master->num_chipselect = 4;
> > +	}

> This part breaks the AVR32 boards and probably anything else that
> doesn't use devicetree but does use GPIOs for chip select.

Shouldn't this just be setting defaults for the case where nothing is
provided?

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