linux-kernel - Re: [PATCH] ARM: OMAP1: ams-delta: remove unused function ams_delta_camera

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Date:   Thu, 1 Apr 2021 09:37:32 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Maciej Falkowski <maciej.falkowski9@...il.com>
Cc:     aaro.koskinen@....fi, tony@...mide.com, linux@...linux.org.uk,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] ARM: OMAP1: ams-delta: remove unused function
 ams_delta_camera_power

On Thu, Apr 01, 2021 at 06:04:34PM +0200, Maciej Falkowski wrote:
> The ams_delta_camera_power() function is unused as reports
> Clang compilation with omap1_defconfig on linux-next:
> 
> arch/arm/mach-omap1/board-ams-delta.c:462:12: warning: unused function 'ams_delta_camera_power' [-Wunused-function]
> static int ams_delta_camera_power(struct device *dev, int power)
>            ^
> 1 warning generated.
> 
> The soc_camera support was dropped without removing
> ams_delta_camera_power() function, making it unused.
> 
> Signed-off-by: Maciej Falkowski <maciej.falkowski9@...il.com>
> Fixes: ce548396a433 ("media: mach-omap1: board-ams-delta.c: remove soc_camera dependencies")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1326

Thanks for the patch!

Reviewed-by: Nathan Chancellor <nathan@...nel.org>

> ---
>  arch/arm/mach-omap1/board-ams-delta.c | 14 --------------
>  1 file changed, 14 deletions(-)
> 
> diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
> index 2ee527c00284..1026a816dcc0 100644
> --- a/arch/arm/mach-omap1/board-ams-delta.c
> +++ b/arch/arm/mach-omap1/board-ams-delta.c
> @@ -458,20 +458,6 @@ static struct gpiod_lookup_table leds_gpio_table = {
>  
>  #ifdef CONFIG_LEDS_TRIGGERS
>  DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
> -
> -static int ams_delta_camera_power(struct device *dev, int power)
> -{
> -	/*
> -	 * turn on camera LED
> -	 */
> -	if (power)
> -		led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
> -	else
> -		led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
> -	return 0;
> -}
> -#else
> -#define ams_delta_camera_power	NULL
>  #endif
>  
>  static struct platform_device ams_delta_audio_device = {
> -- 
> 2.26.3
>