linux-kernel - Re: [PATCH] watchdog: max77620_wdt: constify platform_device

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Date:   Mon, 14 Aug 2017 07:53:05 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     wim@...ana.be, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org
Subject: Re: [PATCH] watchdog: max77620_wdt: constify platform_device_id

On Sun, Aug 13, 2017 at 04:58:28PM +0530, Arvind Yadav wrote:
> platform_device_id are not supposed to change at runtime. All functions
> working with platform_device_id provided by <linux/platform_device.h>
> work with const platform_device_id. So mark the non-const structs as
> const.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/watchdog/max77620_wdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/max77620_wdt.c b/drivers/watchdog/max77620_wdt.c
> index 68c41fa..2c9f53e 100644
> --- a/drivers/watchdog/max77620_wdt.c
> +++ b/drivers/watchdog/max77620_wdt.c
> @@ -201,7 +201,7 @@ static int max77620_wdt_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -static struct platform_device_id max77620_wdt_devtype[] = {
> +static const struct platform_device_id max77620_wdt_devtype[] = {
>  	{ .name = "max77620-watchdog", },
>  	{ },
>  };
> -- 
> 2.7.4
> 
> --
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