linux-kernel - Re: [v2 PATCH 2/8] watchdog/at91sam9_wdt: Convert to use the watchdog framework

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Date:	Wed, 05 Dec 2012 11:47:39 +0100
From:	Florian Fainelli <florian@...nwrt.org>
To:	Wenyou Yang <wenyou.yang@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org, nicolas.ferre@...el.com,
	plagnioj@...osoft.com, JM.Lin@...el.com, wim@...ana.be,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [v2 PATCH 2/8] watchdog/at91sam9_wdt: Convert to use the watchdog framework

Hello Wenyou,

On Wednesday 05 December 2012 09:34:21 Wenyou Yang wrote:
> According to the kernel document: convert_drivers_to_kernel_api.txt,
> remove the file_operations struct, miscdevice, and obsolete includes
> 
> Since the at91sam watchdog inherent characteristics, add the watchdog
> operations: at91wdt_start, at91wdt_stop and at91wdt_ping.
> 

[snip]

>  
> +static inline bool watchdog_is_open(struct watchdog_device *wddev)
> +{
> +	return test_bit(WDOG_DEV_OPEN, &wddev->status);
> +}

This helper should be moved to include/linux/watchdog.h as it can be useful
for other watchdog drivers as well. 
--
Florian
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