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Message-ID: <DM8PR03MB624786DEF5E135986ECB7B1F962A9@DM8PR03MB6247.namprd03.prod.outlook.com>
Date: Thu, 20 Oct 2022 14:47:25 +0000
From: "Tilki, Ibrahim" <Ibrahim.Tilki@...log.com>
To: Guenter Roeck <linux@...ck-us.net>,
"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
"alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>,
"jdelvare@...e.com" <jdelvare@...e.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"krzysztof.kozlowski+dt@...aro.org"
<krzysztof.kozlowski+dt@...aro.org>
CC: "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"Arslanbenzer, Zeynep" <Zeynep.Arslanbenzer@...log.com>
Subject: RE: [PATCH 1/2] drivers: rtc: add max313xx series rtc driver
...
> > +
> > +static int max313xx_wdt_ping(struct watchdog_device *wdd)
> > +{
> > + int ret;
> > +
> > + ret = max313xx_wdt_stop(wdd);
> > + if (ret)
> > + return ret;
> > +
> > + return max313xx_wdt_start(wdd);
>
> Having to stop a watchdog just to ping it is unusual. Is this really
> necessary ?
>
Unfortunately RTCs do not have any other way of resetting timer counter
other than restarting the timer.
Ibrahim
> > +}
> > +
...
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