From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
Date: Thu, 13 Mar 2014 12:25:54 -0600
Subject: [PATCH 1/2] ARM: DT: fix gic interrupt controller documentation
In-Reply-To: <5321EE81.1030207@wwwdotorg.org>
References: <1394732405-2260-1-git-send-email-tharvey@gateworks.com>
 <1394732405-2260-2-git-send-email-tharvey@gateworks.com>
 <5321EE81.1030207@wwwdotorg.org>
Message-ID: <20140313182554.GA15990@obsidianresearch.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Thu, Mar 13, 2014 at 11:44:33AM -0600, Stephen Warren wrote:
> On 03/13/2014 11:40 AM, Tim Harvey wrote:
> > When using interrupt-maps, the size of a map entry is #address-cells +
> >  #interrupt-cells for the parent interrupt controller.  For the ARM GIC
> > address-cells should be 0 as this is not used.
> > 
> > This patch fixes the example by correctly specifying #address-cells = 0.
> 
> If the #address-cells property is required (well, or even optional...)
> in the node, shouldn't it be included in the list of required/optional
> properties above, and not solely included in the example?

AFAIK, #address-cells = 0 is the same as not including a
#address-cells at all.

Omitting entirely is what other interrupt-controller bindings are
doing, so I'd just drop mention of #address-cells completely.

Jason