From: Guenter Roeck <linux@roeck-us.net>
To: Timur Tabi <timur@codeaurora.org>,
Will Deacon <will.deacon@arm.com>,
fu.wei@linaro.org
Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
wim@iguana.be, corbet@lwn.net, catalin.marinas@arm.com,
Suravee.Suthikulpanit@amd.com, linux-kernel@vger.kernel.org,
linux-watchdog@vger.kernel.org, linux-doc@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linaro-acpi@lists.linaro.org, rruigrok@codeaurora.org,
harba@codeaurora.org, cov@codeaurora.org, dyoung@redhat.com,
panand@redhat.com, graeme.gregory@linaro.org,
al.stone@linaro.org, hanjun.guo@linaro.org, jcm@redhat.com,
arnd@arndb.de, leo.duran@amd.com, sudeep.holla@arm.com
Subject: Re: [PATCH v10 4/5] Watchdog: introduce ARM SBSA watchdog driver
Date: Thu, 4 Feb 2016 08:46:49 -0800 [thread overview]
Message-ID: <56B38079.10607@roeck-us.net> (raw)
In-Reply-To: <56B37E52.300@codeaurora.org>
On 02/04/2016 08:37 AM, Timur Tabi wrote:
> 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?
+1
Guenter
next prev parent reply other threads:[~2016-02-04 16:47 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-03 17:18 [PATCH v10 0/5] Watchdog: introduce ARM SBSA watchdog driver fu.wei
2016-02-03 17:18 ` [PATCH v10 1/5] Documentation: add sbsa-gwdt driver documentation fu.wei
2016-02-03 17:18 ` [PATCH v10 2/5] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei
2016-02-03 17:18 ` [PATCH v10 3/5] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei
2016-02-03 17:18 ` [PATCH v10 4/5] Watchdog: introduce ARM SBSA watchdog driver fu.wei
2016-02-03 17:48 ` Timur Tabi
2016-02-03 17:57 ` Fu Wei
2016-02-03 17:58 ` Timur Tabi
2016-02-03 18:09 ` Fu Wei
2016-02-03 18:12 ` Timur Tabi
2016-02-04 16:25 ` Mathieu Poirier
2016-02-05 9:01 ` Fu Wei
2016-02-04 16:31 ` Will Deacon
2016-02-04 16:37 ` Timur Tabi
2016-02-04 16:46 ` Guenter Roeck [this message]
2016-02-05 8:52 ` Fu Wei
2016-02-03 17:18 ` [PATCH v10 5/5] Watchdog: ARM SBSA Generic Watchdog half timeout panic support fu.wei
2016-02-03 17:27 ` Timur Tabi
2016-02-03 17:49 ` Fu Wei
2016-02-03 17:53 ` Timur Tabi
2016-02-03 18:06 ` Fu Wei
2016-02-03 18:08 ` Timur Tabi
2016-02-03 18:18 ` Fu Wei
2016-02-03 18:26 ` Timur Tabi
2016-02-03 18:37 ` Fu Wei
2016-02-03 18:45 ` Timur Tabi
2016-02-03 23:00 ` Fu Wei
2016-02-04 5:17 ` Guenter Roeck
2016-02-04 13:48 ` Timur Tabi
2016-02-04 14:41 ` Guenter Roeck
2016-02-05 9:51 ` Fu Wei
2016-02-05 13:02 ` Thomas Petazzoni
2016-02-05 13:08 ` Timur Tabi
2016-02-05 13:33 ` Thomas Petazzoni
2016-02-05 14:42 ` Guenter Roeck
2016-02-05 18:21 ` Fu Wei
2016-02-05 23:54 ` Guenter Roeck
2016-02-06 18:02 ` Fu Wei
2016-02-06 18:55 ` Timur Tabi
2016-02-07 2:02 ` Fu Wei
2016-02-06 18:57 ` Guenter Roeck
2016-02-07 2:12 ` Fu Wei
2016-02-04 16:32 ` Mathieu Poirier
2016-02-04 16:41 ` Guenter Roeck
2016-02-04 16:43 ` Timur Tabi
2016-02-05 9:20 ` Fu Wei
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