From mboxrd@z Thu Jan  1 00:00:00 1970
From: timur@codeaurora.org (Timur Tabi)
Date: Thu, 4 Feb 2016 10:37:38 -0600
Subject: [PATCH v10 4/5] Watchdog: introduce ARM SBSA watchdog driver
In-Reply-To: <20160204163101.GH17257@arm.com>
References: <1454519923-25230-1-git-send-email-fu.wei@linaro.org>
 <1454519923-25230-5-git-send-email-fu.wei@linaro.org>
 <20160204163101.GH17257@arm.com>
Message-ID: <56B37E52.300@codeaurora.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

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?