linux-kernel - Re: [PATCH] backlight: pwm_bl: make of_device

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Date:   Mon, 17 Jul 2017 13:21:44 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     thierry.reding@...il.com, daniel.thompson@...aro.org,
        jingoohan1@...il.com, b.zolnierkie@...sung.com,
        linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] backlight: pwm_bl: make of_device_ids const

On Tue, 20 Jun 2017, Arvind Yadav wrote:

> of_device_ids are not supposed to change at runtime. All functions
> working with of_device_ids provided by <linux/of.h> work with const
> of_device_ids. So mark the non-const structs as const.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
> ---
>  drivers/video/backlight/pwm_bl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
> index 002f1ce..9bd1768 100644
> --- a/drivers/video/backlight/pwm_bl.c
> +++ b/drivers/video/backlight/pwm_bl.c
> @@ -178,7 +178,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
>  	return 0;
>  }
>  
> -static struct of_device_id pwm_backlight_of_match[] = {
> +static const struct of_device_id pwm_backlight_of_match[] = {
>  	{ .compatible = "pwm-backlight" },
>  	{ }
>  };

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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