linux-kernel - Re: [PATCH] watchdog: imgdpc: select WATCHDOG

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Date:	Mon, 25 Jan 2016 08:41:52 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Arnd Bergmann <arnd@...db.de>, Wim Van Sebroeck <wim@...ana.be>
Cc:	linux-arm-kernel@...ts.infradead.org,
	James Hogan <james.hogan@...tec.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	Naidu Tellapati <naidu.tellapati@...il.com>,
	Ezequiel Garcia <ezequiel.garcia@...tec.com>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog: imgdpc: select WATCHDOG_CORE

On 01/25/2016 08:06 AM, Arnd Bergmann wrote:
> The imgpdc_wdt driver can be built on all architectures with
> CONFIG_COMPILE_TEST, but fails if no other watchdog driver is
> enabled:
>
> drivers/watchdog/built-in.o: In function `pdc_wdt_remove':
> imgpdc_wdt.c:(.text+0x74): undefined reference to `watchdog_unregister_device'
>
> This adds the normal 'select WATCHDOG_CORE' that is needed to
> ensure the driver always builds cleanly.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

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

> ---
>   drivers/watchdog/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 4f0e7be0da34..0dc61f1a552e 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -1383,6 +1383,7 @@ config IMGPDC_WDT
>   	tristate "Imagination Technologies PDC Watchdog Timer"
>   	depends on HAS_IOMEM
>   	depends on METAG || MIPS || COMPILE_TEST
> +	select WATCHDOG_CORE
>   	help
>   	  Driver for Imagination Technologies PowerDown Controller
>   	  Watchdog Timer.
>