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From: "Mike Frysinger" <vapier.adi@gmail.com>
To: David Brownell <david-b@pacbell.net>
Cc: Grant Likely <grant.likely@secretlab.ca>,
	Paulius Zaleckas <paulius.zaleckas@teltonika.lt>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk,
	linux-embedded@vger.kernel.org,
	Laurent Pinchart <laurentp@cse-semaphore.com>
Subject: Re: [PATCH] phylib: make mdio-gpio work without OF (v2)
Date: Wed, 5 Nov 2008 03:32:55 -0500	[thread overview]
Message-ID: <8bd0f97a0811050032i206214a6r8d30a58f354995b4@mail.gmail.com> (raw)
In-Reply-To: <200811050011.56804.david-b@pacbell.net>

On Wed, Nov 5, 2008 at 03:11, David Brownell wrote:
> 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.

i understand the compiler side just fine.  my point is that the
current linux/of_gpio.h only defines the OF structure and related
prototypes when CONFIG_OF_GPIO is defined.  so it needs updating
first.
-mike

  reply	other threads:[~2008-11-05  8:32 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-04 14:45 [PATCH] phylib: make mdio-gpio work without OF (v2) Paulius Zaleckas
2008-11-04 15:45 ` Marc Pignat
2008-11-04 15:57   ` Grant Likely
2008-11-04 16:24 ` Grant Likely
2008-11-05  0:04   ` David Brownell
2008-11-05  0:09     ` Mike Frysinger
2008-11-05  4:45       ` David Brownell
2008-11-05  5:34         ` Mike Frysinger
2008-11-05  8:11           ` David Brownell
2008-11-05  8:32             ` Mike Frysinger [this message]
2008-11-05  8:57               ` Marc Pignat
2008-11-05 23:03                 ` David Brownell
2008-11-05  8:57               ` Paulius Zaleckas
2008-11-05  9:04                 ` Paulius Zaleckas
2008-11-05 15:04                 ` Grant Likely
2008-11-05 22:59                   ` David Brownell

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