linux-kernel - Re: [PATCHv2] wlcore: spi: add wl18xx support

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Message-ID: <20160419175402.GE3217@sirena.org.uk>
Date:	Tue, 19 Apr 2016 18:54:02 +0100
From:	Mark Brown <broonie@...nel.org>
To:	"Reizer, Eyal" <eyalr@...com>
Cc:	"kvalo@...eaurora.org" <kvalo@...eaurora.org>,
	אייל רייזר <eyalreizer@...il.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>
Subject: Re: [PATCHv2] wlcore: spi: add wl18xx support

On Tue, Apr 19, 2016 at 05:38:02PM +0000, Reizer, Eyal wrote:
> Hi Mark,
> 
> Hope you can see the attached picture that illustrates what need to sent for sucesfull SPI init.

I think what the picture shows is that you just need to send at least
one byte at the end of the transfer *after* deasserting /CS which is
totally not what I'd have understood from any of the previous
discussion.  That is already supported, just send an extra byte using
.cs_change to do what is says.

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