linux-kernel - Re: [PATCH 2/3] watchdog: Add Mstar MSC313e WDT driver

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Message-ID: <dfb1173d-7564-9386-10bf-5151ef284635@infradead.org>
Date:   Tue, 25 May 2021 11:49:53 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Romain Perier <romain.perier@...il.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Daniel Palmer <daniel@...f.com>,
        Mohammed Billoo <mohammed.billoo@...il.com>,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] watchdog: Add Mstar MSC313e WDT driver

Hi,

On 5/25/21 11:44 AM, Romain Perier wrote:
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 355100dad60a..f53634ea0de6 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -980,6 +980,19 @@ config VISCONTI_WATCHDOG
>  	  Say Y here to include support for the watchdog timer in Toshiba
>  	  Visconti SoCs.
>  
> +config MSC313E_WATCHDOG
> +	tristate "MStar MSC313e watchdog"
> +	depends on ARCH_MSTARV7 || COMPILE_TEST
> +	depends on OF
> +	select WATCHDOG_CORE
> +	help
> +	  Say Y here to include support for the Watchdog timer embedded
> +	  into MStar MSC313e chips. This will reboot your system when the
> +	  timeout is reached.
> +
> +	  To compile this driver as a module, choose M here: the
> +	  module will be called msc313e_wdt.

AFAIK, you don't need the "depends on OF" line since
the of*.h headers provide stubs for the cases of CONFIG_OF
and/or CONFIG_OF_ADDRESS not set/enabled.

Not having that line would also make COMPILE_TEST more effective.

Can Rob or anyone else comment on this?

thanks.
-- 
~Randy