linux-kernel - Re: [PATCH] spi: orion: Add multiple chip select support for Armada 370 and 375

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Date:	Wed, 7 Jan 2015 07:41:54 +0100
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Ken Wilson <ken.wilson@...ngear.com>, robh+dt@...nel.org,
	mark.rutland@....com, devicetree@...r.kernel.org,
	linux@....linux.org.uk, pawel.moll@....com,
	ijc+devicetree@...lion.org.uk, gerg@...inux.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
	broonie@...nel.org, ezequiel.garcia@...e-electrons.com,
	galak@...eaurora.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] spi: orion: Add multiple chip select support for Armada
 370 and 375

Dear Gregory CLEMENT,

On Tue, 06 Jan 2015 23:00:54 +0100, Gregory CLEMENT wrote:

> On 06/01/2015 22:30, Ken Wilson wrote:
> > Create a new dt binding for the Armada 375 that supports up to
> > 3 chip selects but uses the same prescaler values and algorithm
> > as the basic orion binding.
> 
> There was already a patch that have been sent for this:
> http://thread.gmane.org/gmane.linux.kernel.spi.devel/17808/focus=17809
> 
> but in the end it has not been merged. The last email on the thread was
> about doing the manipulation in set_cs and not in setup_transfer(). And I
> didn't find a newer version.
> 
> Maybe it just fell through the cracks.
> Thomas did you remember of it?

Yes, it is still on my TODO-list, but I haven't yet gotten around to
submitting a new version. So I haven't looked at Ken's contribution,
but if Ken is willing to bring it up to a state where it can be
mainlined, that would definitely be welcome.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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