linux-kernel - Re: [PATCH] spi: cadence: Add dependency on ARCH

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Date:	Tue, 15 Apr 2014 17:26:21 +0100
From:	Will Deacon <will.deacon@....com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Michal Simek <monstr@...str.eu>,
	Harini Katakam <harinik@...inx.com>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Michal Simek <michals@...inx.com>
Subject: Re: [PATCH] spi: cadence: Add dependency on ARCH_ZYNQ

On Tue, Apr 15, 2014 at 10:45:41AM +0100, Mark Brown wrote:
> On Tue, Apr 15, 2014 at 08:11:37AM +0200, Michal Simek wrote:
> 
> > I sent the patch for it which solve this problem in generic way.
> > http://lkml.org/lkml/2014/4/8/42
> 
> > Feel free to give me ACK for it.
> 
> Will has been working on this too off and on, he was also trying to
> define some semantics for the relaxed versions.  It'd be really good to
> address this properly, this is a constant source of make work.

Yes, I have a series adding relaxed accessors to all architectures (and
asm-generic) along with an attempt at defining some semantics. This came
about from discussion with BenH at the last kernel summit, I just didn't get
around to posting what we came up with.

I should be able to post something this week, but there's still an open
question relating to mmiowb() that I'd like the PPC guys to chime in on.

Will
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