linux-kernel - RE: [PATCH v2] watchdog: constify watchdog

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Date:   Tue, 3 Jan 2017 13:51:54 +0000
From:   Adam Thomson <Adam.Thomson.Opensource@...semi.com>
To:     Bhumika Goyal <bhumirks@...il.com>,
        "julia.lawall@...6.fr" <julia.lawall@...6.fr>,
        "wim@...ana.be" <wim@...ana.be>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "rjui@...adcom.com" <rjui@...adcom.com>,
        "sbranden@...adcom.com" <sbranden@...adcom.com>,
        "bcm-kernel-feedback-list@...adcom.com" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Support Opensource <Support.Opensource@...semi.com>,
        "baruch@...s.co.il" <baruch@...s.co.il>,
        "manabian@...il.com" <manabian@...il.com>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2] watchdog: constify watchdog_info structures

On 26 December 2016 17:05, Bhumika Goyal wrote:

> Declare watchdog_info structures as const as they are only stored in the
> info field of watchdog_device structures. This field is of type const
> struct watchdog_info *, so watchdog_info structures having this property
> can be declared const too.

> diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c
> index 2fc19a3..d86a57e 100644
> --- a/drivers/watchdog/da9052_wdt.c
> +++ b/drivers/watchdog/da9052_wdt.c
> @@ -140,7 +140,7 @@ static int da9052_wdt_ping(struct watchdog_device
> *wdt_dev)
>  	return ret;
>  }
> 
> -static struct watchdog_info da9052_wdt_info = {
> +static const struct watchdog_info da9052_wdt_info = {
>  	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
>  	.identity	= "DA9052 Watchdog",
>  };
> diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c
> index 8377c43..4f30818 100644
> --- a/drivers/watchdog/da9055_wdt.c
> +++ b/drivers/watchdog/da9055_wdt.c
> @@ -108,7 +108,7 @@ static int da9055_wdt_stop(struct watchdog_device
> *wdt_dev)
>  	return da9055_wdt_set_timeout(wdt_dev, 0);
>  }
> 
> -static struct watchdog_info da9055_wdt_info = {
> +static const struct watchdog_info da9055_wdt_info = {
>  	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
>  	.identity	= "DA9055 Watchdog",
>  };

For DA9052 and DA9055:

Acked-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>