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

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