linux-kernel - Re: [PATCH 01/21] of: Add cpu node iterator for_each_of_cpu

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Message-ID: <20181101151201.GJ5994@gate.crashing.org>
Date:   Thu, 1 Nov 2018 10:12:02 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
Subject: Re: [PATCH 01/21] of: Add cpu node iterator for_each_of_cpu_node()

On Thu, Nov 01, 2018 at 09:52:57PM +1100, Michael Ellerman wrote:
> Rob Herring <robh@...nel.org> writes:
> > Yes, I was aware at least older powerpc DTs don't use 'cpu' for node names.
> 
> Actually newer ones too, see below :)

Good, because that is required by the Open Firmware standard (the PowerPC
binding, to be exact):

http://www.openbios.org/data/docs/ppc-2_1.ps

(see 5.1.4, "name").


Segher