Thread (108 messages) 108 messages, 7 authors, 2015-05-25

Re: [PATCH v2 6/7] Watchdog: introduce ARM SBSA watchdog driver

From: Fu Wei <hidden>
Date: 2015-05-24 17:23:34
Also in: linux-watchdog, lkml

Hi Timur,

On 25 May 2015 at 01:19, Timur Tabi [off-list ref] wrote:
Fu Wei wrote:
quoted
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.
In my driver patch, the first stage, I am using WCV, for the second
stage I am using WOR,
that have been tested on real hardware.

would you please read the pseudocode in Page 23 of SBSA 2.3

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-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
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