Re: [PATCH v10 4/5] Watchdog: introduce ARM SBSA watchdog driver

[Timur Tabi]

Will Deacon wrote:
> > +static int sbsa_gwdt_keepalive(struct watchdog_device *wdd)
> > >+{
> > >+	struct sbsa_gwdt *gwdt = to_sbsa_gwdt(wdd);
> > >+
> > >+	/*
> > >+	* Writing WRR for an explicit watchdog refresh.
> > >+	* You can write anyting(like 0xc0ffee).
> > >+	*/
> > >+	writel(0xc0ffee, gwdt->refresh_base + SBSA_GWDT_WRR);
> > >+
> > >+	return 0;
> > >+}
> You might get in trouble for that. 0xd09f00d is probably less poisonous.
>
> http://www.petpoisonhelpline.com/poison/caffeine/

Any reason why we can't just keep it simple and write 0?