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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: "Johnson CH Chen (陳昭勳)" <JohnsonCH.Chen@moxa.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>,
	"linux-watchdog@vger.kernel.org" <linux-watchdog@vger.kernel.org>,
	Wim Van Sebroeck <wim@linux-watchdog.org>,
	Alessandro Zummo <a.zummo@towertech.it>
Subject: Re: [PATCH v2] rtc: rtc-ds1374: wdt: Use watchdog core for watchdog part
Date: Mon, 6 Jul 2020 08:34:38 +0200	[thread overview]
Message-ID: <20200706063438.GF6538@piout.net> (raw)
In-Reply-To: <HK2PR01MB328121F60A378124D2C83698FA690@HK2PR01MB3281.apcprd01.prod.exchangelabs.com>

On 06/07/2020 05:18:39+0000, Johnson CH Chen (陳昭勳) wrote:
> > >  #endif /*CONFIG_RTC_DRV_DS1374_WDT*/
> > >  /*
> > > @@ -653,15 +514,25 @@ static int ds1374_probe(struct i2c_client
> > > *client,
> > >
> > >  #ifdef CONFIG_RTC_DRV_DS1374_WDT
> > >  	save_client = client;
> > > -	ret = misc_register(&ds1374_miscdev);
> > > -	if (ret)
> > > -		return ret;
> > > -	ret = register_reboot_notifier(&ds1374_wdt_notifier);
> > > +	ds1374->wdt.info = &ds1374_wdt_info;
> > > +	ds1374->wdt.ops = &ds1374_wdt_ops;
> > > +	ds1374->wdt.timeout = TIMER_MARGIN_DEFAULT;
> > > +	ds1374->wdt.min_timeout = TIMER_MARGIN_MIN;
> > > +	ds1374->wdt.max_timeout = TIMER_MARGIN_MAX;
> > > +
> > > +	watchdog_init_timeout(&ds1374->wdt, wdt_margin, &client->dev);
> > > +	watchdog_set_nowayout(&ds1374->wdt, nowayout);
> > > +	watchdog_stop_on_reboot(&ds1374->wdt);
> > > +	watchdog_stop_on_unregister(&ds1374->wdt);
> > > +	ds1374_wdt_settimeout(&ds1374->wdt, wdt_margin);
> > > +
> > > +	ret = devm_watchdog_register_device(&client->dev, &ds1374->wdt);
> > >  	if (ret) {
> > > -		misc_deregister(&ds1374_miscdev);
> > > +		dev_err(&client->dev, "failed to register DS1374 watchdog
> > > +device\n");

There was no error message before, I don't think this one is necessary.

> > >  		return ret;
> > >  	}
> > > -	ds1374_wdt_settimeout(131072);
> > > +
> > > +	dev_info(&client->dev, "DS1374 watchdog device enabled\n");
> > 
> > Is that necessary ?
> > 
> 
> I think it's good to show watchdog initial timeout. I'll include above suggestions in v3, thanks!
> 

No, please avoid adding more strings in that driver.


-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2020-07-06  6:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-03 11:48 [PATCH v2] rtc: rtc-ds1374: wdt: Use watchdog core for watchdog part Johnson CH Chen (陳昭勳)
2020-07-04 18:41 ` kernel test robot
2020-07-05 15:24 ` Guenter Roeck
2020-07-06  5:18   ` Johnson CH Chen (陳昭勳)
2020-07-06  6:34     ` Alexandre Belloni [this message]
2020-07-06  6:58       ` Johnson CH Chen (陳昭勳)

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