linux-kernel - Re: [PATCH] m68k: Fall back to __gpio_to

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Date:	Thu, 27 Oct 2011 14:19:42 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	<linux-m68k@...ts.linux-m68k.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] m68k: Fall back to __gpio_to_irq() for non-arch GPIOs

Hi Mark,

On 26/10/11 17:51, Mark Brown wrote:
> gpiolib provides __gpio_to_irq() to map gpiolib gpios to interrupts - hook
> that up on m68k.
>
> Signed-off-by: Mark Brown<broonie@...nsource.wolfsonmicro.com>

I'll take this through the m68knommu git tree, since it is only used
by the ColdFire CPU parts.

Thanks
Greg



>   arch/m68k/include/asm/gpio.h |    3 ++-
>   1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
> index b204683..00d0071 100644
> --- a/arch/m68k/include/asm/gpio.h
> +++ b/arch/m68k/include/asm/gpio.h
> @@ -225,7 +225,8 @@ static inline void gpio_set_value(unsigned gpio, int value)
>
>   static inline int gpio_to_irq(unsigned gpio)
>   {
> -	return (gpio<  MCFGPIO_IRQ_MAX) ? gpio + MCFGPIO_IRQ_VECBASE : -EINVAL;
> +	return (gpio<  MCFGPIO_IRQ_MAX) ? gpio + MCFGPIO_IRQ_VECBASE
> +		: __gpio_to_irq(gpio);
>   }
>
>   static inline int irq_to_gpio(unsigned irq)


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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
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