linux-kernel - Re: [PATCH v2 03/16] ARM: dts: provide DMA config to pxamci

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Date:	Sat, 14 Dec 2013 23:34:20 +0400
From:	Sergei Ianovich <ynvich@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Daniel Mack <zonque@...il.com>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Chris Ball <cjb@...top.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Shawn Guo <shawn.guo@...aro.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	linux-mmc@...r.kernel.org
Subject: Re: [PATCH v2 03/16] ARM: dts: provide DMA config to pxamci

On Sat, 2013-12-14 at 20:06 +0100, Arnd Bergmann wrote:
> On Friday 13 December 2013, Sergei Ianovich wrote:
> > Non-dts implementation supply required DMA channel numbers as
> > IORESOURCE_DMA. However, there is was no way to get them from
> > device tree.
> 
> Please update this changeset comment, I think it still refers to
> the earlier version.

---
Non-dts implementation supply required DMA channel numbers as
IORESOURCE_DMA. We can also get them from the device tree, if it
is present.
---

Is this fine?

Should I post v3, if so? 

> > Signed-off-by: Sergei Ianovich <ynvich@...il.com>
> > CC: Daniel Mack <zonque@...il.com>
> > CC: Arnd Bergmann <arnd@...db.de>
> 
> The patch looks ok in case we are merging your patches for 3.14
> and Daniel's patches later than that. If they end up in the
> same merge window however, we'd have to be care to resolve
> the obvious conflict in a proper way.

The most recently published Daniel's patch (Aug 2013) wraps
IORESOURCE_DMA handling on DT presence in a similar way, but doesn't do
any actual DT processing. So there is no conflict at the moment. Daniel
can comment better on this, though.


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