linux-kernel - Re: [PATCH 2/2] omap: define _toggle_gpio_edge

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Date:	Mon, 25 Jan 2010 16:28:32 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Kevin Hilman <khilman@...prootsystems.com>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	"Zebediah C. McClure" <zmc@...ian.net>,
	Alistair Buxton <a.j.buxton@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] omap: define _toggle_gpio_edge_triggering only for
 OMAP1

* Kevin Hilman <khilman@...prootsystems.com> [100125 10:20]:
> Uwe Kleine-König <u.kleine-koenig@...gutronix.de> writes:
> 
> > The only usage of _toggle_gpio_edge_triggering is in an
> > CONFIG_ARCH_OMAP1 is defined, too.
> >
> > This fixes a compiler warning:
> >
> > 	arch/arm/plat-omap/gpio.c:758: warning: '_toggle_gpio_edge_triggering' defined but not used
> >
> > when compiling for ARCH_OMAP2, ARCH_OMAP3 or ARCH_OMAP4.
> >
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> 
> Acked-by: Kevin Hilman <khilman@...prootsystems.com>

Ack, I'll add this into omap-fixes for the -rc cycle.

Regards,

Tony
 
> > ---
> >  arch/arm/plat-omap/gpio.c |    4 ++--
> >  1 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
> > index d17620c..d2422c7 100644
> > --- a/arch/arm/plat-omap/gpio.c
> > +++ b/arch/arm/plat-omap/gpio.c
> > @@ -750,6 +750,7 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
> >  }
> >  #endif
> >  
> > +#ifdef CONFIG_ARCH_OMAP1
> >  /*
> >   * This only applies to chips that can't do both rising and falling edge
> >   * detection at once.  For all other chips, this function is a noop.
> > @@ -760,11 +761,9 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
> >  	u32 l = 0;
> >  
> >  	switch (bank->method) {
> > -#ifdef CONFIG_ARCH_OMAP1
> >  	case METHOD_MPUIO:
> >  		reg += OMAP_MPUIO_GPIO_INT_EDGE;
> >  		break;
> > -#endif
> >  #ifdef CONFIG_ARCH_OMAP15XX
> >  	case METHOD_GPIO_1510:
> >  		reg += OMAP1510_GPIO_INT_CONTROL;
> > @@ -787,6 +786,7 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
> >  
> >  	__raw_writel(l, reg);
> >  }
> > +#endif
> >  
> >  static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
> >  {
> > -- 
> > 1.6.6
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