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From: David Brownell <david-b@pacbell.net>
To: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH] fix build error of driver/mfd/tc6393xb.c
Date: Fri, 4 Jul 2008 09:52:10 -0700
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Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>,
       Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org,
       LKML <linux-kernel@vger.kernel.org>
References: <s5hiqvlc2ut.wl%tiwai@suse.de> <20080704132234.GA4576@doriath.ww600.siemens.net> <s5hd4ltlpgl.wl%tiwai@suse.de>
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On Friday 04 July 2008, Takashi Iwai wrote:
> Then HAVE_GPIO_LIB selects GENERIC_GPIO. ?Right now, it's a missing
> dependency.

Right.


> > Also linux/gpio.h don't have anything in common with HAVE_GPIO_LIB.
> 
> That's another side of the problem.

Not a problem at all.  One is the interface.  Another is one
of several valid implementations ... the only currently
providing an infrastructure allowing providers like tc6393xb
to plug in as easily as SOC-native providers.

- Dave


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