linux-kernel - Re: [PATCH net-next 02/10] dt-bindings: net: ocelot: remove hsio from the list of register address spaces

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Date:   Thu, 16 Aug 2018 16:25:14 +0200
From:   Quentin Schulz <quentin.schulz@...tlin.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Rob Herring <robh@...nel.org>, ralf@...ux-mips.org,
        paul.burton@...s.com, jhogan@...nel.org, mark.rutland@....com,
        davem@...emloft.net, kishon@...com, andrew@...n.ch,
        f.fainelli@...il.com, linux-mips@...ux-mips.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, allan.nielsen@...rosemi.com,
        thomas.petazzoni@...tlin.com
Subject: Re: [PATCH net-next 02/10] dt-bindings: net: ocelot: remove hsio
 from the list of register address spaces

Hi Alexandre,

On Tue, Aug 14, 2018 at 02:41:35PM +0200, Alexandre Belloni wrote:
> On 14/08/2018 08:49:53+0200, Quentin Schulz wrote:
> > Understood but it's an intermediate patch. Later (patch 8), the SerDes
> > muxing "controller" is added as a child to this node. There most likely
> > will be some others in the future (temperature sensor for example).
> > 
> > Furthermore, there's already a simple-mfd without children in this file:
> > https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/mips/mscc.txt#L19
> > 
> > How should we handle this case?
> > 
> 
> There were child nodes in previous version of the binding. You can
> remove simple-mfd now. The useful registers that are not used by any
> drivers are gpr and chipid.
> 

And what about the use case I'm facing? I've got child nodes defined in
it but with a later patch (but they actually haven't made it to the
DT binding documentation, so that's for the next version of the patch
series).

OK, for removing simple-mfd from CPU chip regs documentation.

Thanks,
Quentin

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