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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Guenter Roeck <linux@roeck-us.net>
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>,
	kernel@pengutronix.de
Subject: Re: [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag
Date: Tue, 4 Aug 2015 17:41:04 +0200	[thread overview]
Message-ID: <20150804154104.GT9999@pengutronix.de> (raw)
In-Reply-To: <1438654414-29259-4-git-send-email-linux@roeck-us.net>

Hello,

On Mon, Aug 03, 2015 at 07:13:29PM -0700, Guenter Roeck wrote:
> The WDOG_RUNNING flag is expected to be set by watchdog drivers if
> the hardware watchdog is running. If the flag is set, the watchdog
> subsystem will ping the watchdog even if the watchdog device is closed.
> 
> The watchdog driver stop function is now optional and may be omitted
> if the watchdog can not be stopped. If stopping the watchdog is not
> possible but the driver implements a stop function, it is responsible
> to set the WDOG_RUNNING flag in its stop function.
> 
> Cc: Timo Kokkonen <timo.kokkonen@offcode.fi>
> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
>  Documentation/watchdog/watchdog-kernel-api.txt | 19 ++++++++-----
>  drivers/watchdog/watchdog_core.c               |  2 +-
>  drivers/watchdog/watchdog_dev.c                | 39 ++++++++++++++++++++------
>  include/linux/watchdog.h                       |  7 +++++
>  4 files changed, 50 insertions(+), 17 deletions(-)
Another thing that I noticed just now after looking at a later patch in
this series: Conceptually that worker stuff better fits into
watchdog_core.c than watchdog_dev.c, doesn't it? But maybe this
separation doesn't make sense anyhow?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

  parent reply	other threads:[~2015-08-04 15:41 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-04  2:13 [PATCH 0/8] watchdog: Add support for keepalives triggered by infrastructure Guenter Roeck
2015-08-04  2:13 ` [PATCH 1/8] watchdog: watchdog_dev: Use single variable name for struct watchdog_device Guenter Roeck
2015-08-04 11:26   ` Uwe Kleine-König
2015-08-04  2:13 ` [PATCH 2/8] watchdog: Introduce hardware maximum timeout in watchdog core Guenter Roeck
2015-08-04 12:18   ` Uwe Kleine-König
2015-08-04 15:31     ` Guenter Roeck
2015-08-04 15:31       ` Guenter Roeck
2015-08-04 15:52       ` Uwe Kleine-König
2015-08-04 16:03         ` Guenter Roeck
2015-08-05  8:22           ` Uwe Kleine-König
2015-08-05  9:14             ` Guenter Roeck
2015-08-04  2:13 ` [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag Guenter Roeck
2015-08-04 12:25   ` Uwe Kleine-König
2015-08-04 15:41   ` Uwe Kleine-König [this message]
2015-08-04 15:56     ` Guenter Roeck
2015-08-04  2:13 ` [PATCH 4/8] watchdog: Make set_timeout function optional Guenter Roeck
2015-08-04 15:38   ` Uwe Kleine-König
2015-08-04 16:43     ` Guenter Roeck
2015-08-04  2:13 ` [PATCH 5/8] watchdog: imx2: Convert to use infrastructure triggered keepalives Guenter Roeck
2015-08-04 15:44   ` Uwe Kleine-König
2015-08-04  2:13 ` [PATCH 6/8] watchdog: retu: " Guenter Roeck
2015-08-04  2:13 ` [PATCH 7/8] watchdog: gpio_wdt: " Guenter Roeck
2015-08-04  2:13 ` [PATCH 8/8] watchdog: at91sam9: " Guenter Roeck
2015-08-04 11:24 ` [PATCH 0/8] watchdog: Add support for keepalives triggered by infrastructure Uwe Kleine-König
2015-08-04 15:01   ` Guenter Roeck
2015-08-04 23:43 ` Pádraig Brady
2015-08-05  0:49   ` Guenter Roeck
2015-08-05  7:36   ` Uwe Kleine-König
2015-08-05  7:50     ` Guenter Roeck
2015-08-05  7:50       ` Guenter Roeck
2015-08-05  8:27       ` Uwe Kleine-König
2015-08-05 17:13 ` David Teigland
2015-08-05 17:41   ` Guenter Roeck
2015-08-05 17:51     ` David Teigland
2015-08-05 19:01       ` Guenter Roeck
2015-08-05 19:51         ` David Teigland
2015-08-05 20:21           ` Guenter Roeck

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