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SubjectRe: [PATCH 2/2] omap: define _toggle_gpio_edge_triggering only for OMAP1
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Date
Uwe Kleine-König <u.kleine-koenig@pengutronix.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@pengutronix.de>

Acked-by: Kevin Hilman <khilman@deeprootsystems.com>

> ---
> 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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