netdev - Re: [PATCH] phylib: make mdio-gpio work without OF (v2)

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Date:	Wed, 5 Nov 2008 01:11:56 -0700
From:	David Brownell <david-b@...bell.net>
To:	"Mike Frysinger" <vapier.adi@...il.com>
Cc:	"Grant Likely" <grant.likely@...retlab.ca>,
	"Paulius Zaleckas" <paulius.zaleckas@...tonika.lt>,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-embedded@...r.kernel.org,
	"Laurent Pinchart" <laurentp@...-semaphore.com>
Subject: Re: [PATCH] phylib: make mdio-gpio work without OF (v2)

On Tuesday 04 November 2008, Mike Frysinger wrote:
> > If indeed OF functions don't have declarations which are
> > available on all platforms, that might be worth fixing
> > to enable this approach to #ifdef elimination.
> 
> OF is open firmware right ?  no way there's going to be OF for every
> port that supports GPIO, so filling out the stubs in linux/of_gpio.h
> will need to be done.

In which case the boolean "we don't have OF" would be "false" and
any code referencing the declared functions would be compiled out
(being dead code/data).  So there would be no link-time references
to any OF routines... standard technique.


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