Subject: Re: [PATCH] fix build error of driver/mfd/tc6393xb.c

From: Takashi Iwai <[email-masked]>
Date: Fri, 04 Jul 2008 14:59:18 +0200

At Fri, 4 Jul 2008 16:42:56 +0400,
Dmitry Baryshkov wrote:
> 
> On Fri, Jul 04, 2008 at 02:04:30PM +0200, Takashi Iwai wrote:
> > At Fri, 4 Jul 2008 15:47:55 +0400,
> > Dmitry Baryshkov wrote:
> > > 
> > > On Fri, Jul 04, 2008 at 01:20:42PM +0200, Takashi Iwai wrote:
> > > > Fix the build of tc6393xb  due to missing definition of struct
> > > > gpio_chip.
> > > > 
> > > > Signed-off-by: Takashi Iwai <[email-masked]>
> > > > 
> > > > ---
> > > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > > > index 9f93c29..2981da4 100644
> > > > --- a/drivers/mfd/Kconfig
> > > > +++ b/drivers/mfd/Kconfig
> > > > @@ -44,7 +44,7 @@ config HTC_PASIC3
> > > >  
> > > >  config MFD_TC6393XB
> > > >  	bool "Support Toshiba TC6393XB"
> > > > -	depends on HAVE_GPIO_LIB
> > > > +	depends on HAVE_GPIO_LIB && GENERIC_GPIO
> > > >  	select MFD_CORE
> > > >  	help
> > > >  	  Support for Toshiba Mobile IO Controller TC6393XB
> > > 
> > > Which configuration does provide HAVE_GPIO_LIB but not GENERIC_GPIO?
> > 
> > The below is the config with which I got the error.
> 
> The proper fix probably is to make PPC_MPC5200_GPIO also select
> GENERIC_GPIO. I don't think that building GPIO_LIB w/o GENERIC_GPIO
> should be supported.

[Added David to Cc]

Then HAVE_GPIO_LIB should depend on GENERIC_GPIO.
Or, linux/gpio.h should be fixed so that the code can be built
properly without GENERIC_GPIO.

thanks,

Takashi