[Skiboot] [PATCH] sparse: fix OPAL API function argument test

[Stewart Smith]

Stewart Smith <stewart at linux.ibm.com> writes:
> This is based on a patch from Cédric from way back in 2015 (probably
> around the time we split opal.h into opal-api.h and opal-internal.h)
> that for some reason never got merged.
>
> It means that false warnings spat out of sparse due to our crazy-ass
> macro usage get silenced.
>
> It fixes warnings such as
>
>     "Using plain integer as NULL pointer"
>
> when the prototype of the function is tested with the __test_args#
> defines.
>
> Suggested-by: Cédric Le Goater <clg at fr.ibm.com>
> Signed-off-by: Stewart Smith <stewart at linux.ibm.com>

merged to master as of df9d972c23086bc26efecc7519f008efab791419

-- 
Stewart Smith
OPAL Architect, IBM.