On Thu, Mar 28, 2013 at 02:47:51PM +0000, Arnd Bergmann wrote: > Since we recently introduced the IS_ENABLED() macro to test for preprocessor > symbols, I think there is a general trend away from any #ifdefs in driver > code.
I have to say I'm not seeing any evidence of this in the patches I'm seeing, and I'm not sure what the connection with IS_ENABLED() is? It's a reasonable idea, just likely to surprise people given the amount of boilerplate we've got for things like PM - I guess we'd need to make sure those macros do references as well, they're the main users of ifdefs.
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