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Re: Bootup support for watchdog with short timeout (touch_nmi_watchdog()?)
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From:
Lennart Sorensen <lsorense@...>
To: Stefan Roese <stefan.roese@...>
Cc: <linux-kernel@...>
Subject:
Re: Bootup support for watchdog with short timeout (touch_nmi_watchdog()?)
Date: Monday, October 29, 2007 - 3:45 pm
On Mon, Oct 29, 2007 at 03:22:27PM +0100, Stefan Roese wrote:
quoted text
> I'm trying to implement support for a board specific watchdog on a PPC440EPx > board with a very short timeout. In this case, the watchdog has to > be "kicked" at least every 100ms, even while booting and the real watchdog > driver not running yet. While looking for trigger places in the kernel > source, I noticed the already existing "touch_nmi_watchdog()" function, which > seems to be doing what I need. Even if the name not exactly matches my > hardware setup. > > My question now is, is it recommended to use this > touch_nmi_watchdog() "infrastructure" for my PPC custom specific watchdog > during bootup? And if yes, should it perhaps be renamed to a more generic > name, like "touch_watchdog"? > > Please advise. Thanks.
No idea really. Who would design a watchdog with such a short trigger time? That doesn't seem to be useful in any way. -- Len Sorensen -
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Messages in current thread:
Bootup support for watchdog with short timeout (touch_nmi_wa...
, Stefan Roese
, (Mon Oct 29, 10:22 am)
Re: Bootup support for watchdog with short timeout (touch_nm...
, Lennart Sorensen
, (Mon Oct 29, 3:45 pm)
Re: Bootup support for watchdog with short timeout (touch_nm...
, Josh Boyer
, (Mon Oct 29, 10:54 pm)
Re: Bootup support for watchdog with short timeout (touch_nm...
, Lennart Sorensen
, (Tue Oct 30, 8:51 am)
Re: Bootup support for watchdog with short timeout (touch_nm...
, Stefan Roese
, (Tue Oct 30, 7:16 am)
Re: Bootup support for watchdog with short timeout (touch_nm...
, Wolfgang Denk
, (Tue Oct 30, 5:23 pm)
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