Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1200103

Re: [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag

Show all headers | View raw

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/  |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag Guenter Roeck <linux@roeck-us.net> - 2015-08-04 04:20 +0200
  Re: [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2015-08-04 14:30 +0200
  Re: [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2015-08-04 17:50 +0200
    Re: [PATCH 3/8] watchdog: Introduce WDOG_RUNNING flag Guenter Roeck <linux@roeck-us.net> - 2015-08-04 18:00 +0200

csiph-web