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From: Guenter Roeck <linux@roeck-us.net>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: linux-watchdog@vger.kernel.org, Wim Van Sebroeck <wim@iguana.be>,
	linux-kernel@vger.kernel.org,
	Timo Kokkonen <timo.kokkonen@offcode.fi>,
	linux-doc@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH v2 4/8] watchdog: Make set_timeout function optional
Date: Sat, 15 Aug 2015 16:41:31 -0700	[thread overview]
Message-ID: <55CFCE2B.9010802@roeck-us.net> (raw)
In-Reply-To: <20150814190535.GV9999@pengutronix.de>

Hi Uwe,

On 08/14/2015 12:05 PM, Uwe Kleine-König wrote:
> Hello Guenter,
>
> On Fri, Aug 07, 2015 at 10:02:43PM -0700, Guenter Roeck wrote:
>> For some watchdogs, the hardware timeout is fixed, and the
>> watchdog driver depends on the watchdog core to handle the
>> actual timeout. In this situation, the watchdog driver might
>> only set the 'timeout' variable but do nothing else.
>> This can as well be handled by the infrastructure, so make
>> the set_timeout callback optional. If WDIOF_SETTIMEOUT is
>> configured but the .set_timeout callback is not available,
>> update the timeout variable in the infrastructure code.
>>
>> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
>

Thanks!
Guenter



  reply	other threads:[~2015-08-15 23:41 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-08  5:02 [PATCH v2 0/8] watchdog: Add support for keepalives triggered by infrastructure Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 1/8] watchdog: watchdog_dev: Use single variable name for struct watchdog_device Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 2/8] watchdog: Introduce hardware maximum timeout in watchdog core Guenter Roeck
2015-08-13 21:13   ` Uwe Kleine-König
2015-08-15 23:17     ` Guenter Roeck
2015-08-14 11:23   ` Uwe Kleine-König
2015-08-15 23:21     ` Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 3/8] watchdog: Introduce WDOG_RUNNING flag Guenter Roeck
2015-08-14 19:04   ` Uwe Kleine-König
2015-08-15 23:38     ` Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 4/8] watchdog: Make set_timeout function optional Guenter Roeck
2015-08-14 19:05   ` Uwe Kleine-König
2015-08-15 23:41     ` Guenter Roeck [this message]
2015-08-08  5:02 ` [PATCH v2 5/8] watchdog: imx2: Convert to use infrastructure triggered keepalives Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 6/8] watchdog: retu: " Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 7/8] watchdog: gpio_wdt: " Guenter Roeck
2015-08-08  5:02 ` [PATCH v2 8/8] watchdog: at91sam9: " Guenter Roeck

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