Message-ID: <55620808.4030605@codeaurora.org>
Date: Sun, 24 May 2015 12:19:04 -0500
From: Timur Tabi <timur@codeaurora.org>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:36.0) Gecko/20100101 Firefox/36.0 SeaMonkey/2.33.1
MIME-Version: 1.0
To: Fu Wei <fu.wei@linaro.org>
CC: Guenter Roeck <linux@roeck-us.net>,
        Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>,
        Linaro ACPI Mailman List <linaro-acpi@lists.linaro.org>,
        linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
        Wei Fu <tekkamanninja@gmail.com>,
        G Gregory <graeme.gregory@linaro.org>, Al Stone <al.stone@linaro.org>,
        Hanjun Guo <hanjun.guo@linaro.org>,
        Ashwin Chaugule <ashwin.chaugule@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>, vgandhi@codeaurora.org, wim@iguana.be,
        Jon Masters <jcm@redhat.com>, Leo Duran <leo.duran@amd.com>,
        Jon Corbet <corbet@lwn.net>, Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v2 6/7] Watchdog: introduce ARM SBSA watchdog driver
References: <=fu.wei@linaro.org>	<1432197156-16947-1-git-send-email-fu.wei@linaro.org>	<1432197156-16947-7-git-send-email-fu.wei@linaro.org>	<555DFCD4.3040701@codeaurora.org>	<CADyBb7vpC6ihvkrRG-htCS8-_xRkjtny=9ZGQsCsmK7-ng5AxA@mail.gmail.com>	<5560D7AC.50009@codeaurora.org>	<5560DCB6.3090008@roeck-us.net>	<CADyBb7t7+aT=pF0we5umAGXJAJ0njU0zULFAZ-OHVpE0m=ueyg@mail.gmail.com>	<5561E7EA.5090702@codeaurora.org>	<CADyBb7tYL7ATRKNAoRYTXo53LKdCiFZ2YDib4g0nZ8=YxTgO+A@mail.gmail.com>	<5561F8A8.4080607@codeaurora.org>	<5561FC70.5080802@roeck-us.net>	<5561FFF0.5090108@codeaurora.org> <CADyBb7snhcR43KT_xrFipBH3PBNBfj39-hE-mSjJ3vMb7Ehp+A@mail.gmail.com>
In-Reply-To: <CADyBb7snhcR43KT_xrFipBH3PBNBfj39-hE-mSjJ3vMb7Ehp+A@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 746
Lines: 17

Fu Wei wrote:
> I don't know why you want to do this tricky way.  you can always
> register the interrupt handler,
> if pre-timeout is 0, system will just trigger WS1 right after WS0

But that only works if the pre-timeout and timeout can be programmed to 
separate values.  And as Guenter says, the SBSA may not guarantee that.

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/