lkml.org 
[lkml]   [2015]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 6/7] Watchdog: introduce ARM SBSA watchdog driver
From
Hi Timur

On 25 May 2015 at 00:44, Timur Tabi <timur@codeaurora.org> wrote:
> Guenter Roeck wrote:
>
>> The current watchdog API suggests that the pretimeout "allows Linux
>> to record useful information (like panic information and kernel
>> coredumps) before it resets". The call to panic() would be the
>> means to make this happen.
>
>
> Now that I think about it, that does make sense.
>
> However, if a pre-timeout is not set, then the driver should never call
> panic(). That means that the interrupt handler should only be registered if
> sbsa_gwdt_set_pretimeout() is called.

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


>
>
> --
> 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.



--
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
Room 1512, Regus One Corporate Avenue,Level 15,
One Corporate Avenue,222 Hubin Road,Huangpu District,
Shanghai,China 200021


\
 
 \ /
  Last update: 2015-05-24 19:01    [W:1.614 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site