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SubjectRe: [PATCH] Add support for always enabled wa tchdog timers
Date
Sat, 23 Aug 2014 10:16:08 -0700 от Guenter Roeck <linux@roeck-us.net>:
> On 08/16/2014 05:45 PM, Evgeny Boger wrote:
> > From: Evgeny Boger <boger@contactless.ru>
> >
> > Add option to use with watchdog timers which are always enabled
> > in hardware, i.e. there is no way to enable/disable it via GPIO pin.
> > The driver will start pinging WDT immediately upon loading
> > and will continue to do so even after stopping the watchdog.
> >
> The headline needs a reference to the affected driver.
>
> Also, please copy the dt mailing list and maintainers.
>
> > Signed-off-by: Evgeny Boger <boger@contactless.ru>
> > ---
> > .../devicetree/bindings/watchdog/gpio-wdt.txt | 14 ++++++-
> > drivers/watchdog/gpio_wdt.c | 45 +++++++++++++++++-----
> > 2 files changed, 48 insertions(+), 11 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt b/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
> > index 37afec1..1f8ca46 100644
> > --- a/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
> > +++ b/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
> > @@ -12,8 +12,11 @@ Required Properties:
> > the opposite level disables the WDT. Active level is determined
> > by the GPIO flags.
> > - hw_margin_ms: Maximum time to reset watchdog circuit (milliseconds).
> > +- always-enabled: Use with wathdog timer which is always enabled

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