[PATCH v3 2/2] arch: arm: Show the serial number from devicetree in cpuinfo

[Russell King - ARM Linux]

On Mon, Apr 27, 2015 at 04:42:27PM +0200, Paul Kocialkowski wrote:
> Well, of_property_read_string is only defined when CONFIG_OF is set
> (base.c is always built in drivers/of but the directory is only included
> when CONFIG_OF is set).
> 
> Of course, on ARM, we now expect that it is the case, but it seems like
> good practice to check for it, since it could theoretically be disabled.

That is _not_ "is the case" - there are a number of non-OF platforms...
including some which will probably never be converted.

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