linux-kernel - Re: [PATCH v3 2/6] mfd: dt: ranges, #address-cells and #size-cells as optional properties

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Message-ID: <20161209224927.3indhfdjgyndtjid@rob-hp-laptop>
Date:   Fri, 9 Dec 2016 16:49:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Andrew Jeffery <andrew@...id.au>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Corey Minyard <minyard@....org>,
        Cédric Le Goater <clg@...d.org>,
        Joel Stanley <joel@....id.au>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/6] mfd: dt: ranges, #address-cells and #size-cells
 as optional properties

On Tue, Dec 06, 2016 at 01:53:17PM +1100, Andrew Jeffery wrote:
> Whilst describing a device and not a bus, simple-mfd is modelled on
> simple-bus where child nodes are iterated and registered as platform
> devices. Some complex devices, e.g. the Aspeed LPC controller, can
> benefit from address space mapping such that child nodes can use the
> regs property to describe their resources within the multi-function
> device.
> 
> Signed-off-by: Andrew Jeffery <andrew@...id.au>
> ---
>  Documentation/devicetree/bindings/mfd/mfd.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)

No objections to this, but this is all implied by having a reg property.

Acked-by: Rob Herring <robh@...nel.org>

Rob