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Subject: Re: [RFC PATCH v2 4/4] of: move of_get_cpu_node implementation to
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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@arm.com>
Date: Sat, 17 Aug 2013 08:14:33 +1000
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Cc: Jonas Bonn <jonas@southpole.se>, devicetree@vger.kernel.org,
 Michal Simek <monstr@monstr.eu>, linux-pm@vger.kernel.org,
 linux-kernel@vger.kernel.org, Rob Herring <rob.herring@calxeda.com>,
 "Rafael J. Wysocki" <rjw@sisk.pl>, Grant Likely <grant.likely@linaro.org>,
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On Fri, 2013-08-16 at 18:39 +0100, Sudeep KarkadaNagesha wrote:
> +#ifdef CONFIG_PPC
> +               /* Check for historical "ibm,ppc-interrupt-server#s" property
> +                * for thread ids on PowerPC. If it doesn't exist fallback to
> +                * standard "reg" property.
> +                */
> +               if (__of_find_n_match_cpu_property(cpun,
> +                               "ibm,ppc-interrupt-server#s", cpu, thread))
> +                       return cpun;
> +#endif

It's not "historical". It's still very much in use and well defined in PAPR :-)

Cheers,
Ben.