linux-kernel - Re: [PATCH] of: Provide default of_node_to_nid() when CONFIG

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Date:	Sun, 25 Jul 2010 13:07:23 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	monstr@...str.eu, microblaze-uclinux@...e.uq.edu.au,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, benh@...nel.crashing.org,
	sparclinux@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] of: Provide default of_node_to_nid() when CONFIG_NUMA
 is not set

Hi Grant,

On Sat, 24 Jul 2010 09:43:31 -0600 Grant Likely <grant.likely@...retlab.ca> wrote:
>
> of_node_to_nid() is only relevant for NUMA.  Don't force architectures to
> implement it if CONFIG_NUMA is not set.

Why not just do:

#ifndef of_node_to_nid
static inline int of_node_to_nid(struct device_node *device) { return 0; }
#define of_node_to_nid	of_node_to_nid
#endif

in include/linux/of.h

and then add:

#define of_node_to_nid	of_node_to_nid

Where it is declared/defined for each arch ...
(it would be nice if all the archs were consistent in where it was
declared).
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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