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Message-ID: <20160223161003.GY13417@atomide.com>
Date:	Tue, 23 Feb 2016 08:10:04 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ARM: omap1: avoid unused variable warning

* Arnd Bergmann <arnd@...db.de> [160223 05:58]:
> The osk_mistral_init() contains code that is only compiled when
> CONFIG_PM is set, but it uses a variable that is declared outside
> of the #ifdef:
> 
> arch/arm/mach-omap1/board-osk.c: In function 'osk_mistral_init':
> arch/arm/mach-omap1/board-osk.c:513:7: warning: unused variable 'ret' [-Wunused-variable]
> 
> This puts the variable in the same #ifdef to avoid the warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/mach-omap1/board-osk.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
> index 209aecb0df68..fcc5c0650429 100644
> --- a/arch/arm/mach-omap1/board-osk.c
> +++ b/arch/arm/mach-omap1/board-osk.c
> @@ -510,7 +510,9 @@ static void __init osk_mistral_init(void)
>  	 */
>  	omap_cfg_reg(N15_1610_MPUIO2);
>  	if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
> +#ifdef	CONFIG_PM
>  		int ret = 0;
> +#endif
>  		int irq = gpio_to_irq(OMAP_MPUIO(2));
>  
>  		gpio_direction_input(OMAP_MPUIO(2));

Let's just remove the #ifdef CONFIG_PM in osk_mistral_init()
instead. That's for the wake-up button and I'm not aware
of any other use cases for that button.

Regards,

Tony

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