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Date: Mon, 27 Aug 2018 22:57:03 +0200 From: Alexandre Belloni <alexandre.belloni@...tlin.com> To: Quentin Schulz <quentin.schulz@...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 On 16/08/2018 16:25:14+0200, Quentin Schulz wrote: > 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). > I guess you should keep simple-mfd for hsio because it will have child nodes. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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