[PATCH 04/13] ARM: OMAP3+: SmartReflex: Add a shutdown hook

[Nishanth Menon]

On 23:33-20120229, Jean Pihet wrote:
> From: Nishanth Menon <nm at ti.com>
> 
> SmartReflex fix for erratum ID i724.
> 
> Since OMAP's VP and PRM modules do not get reset by warm reset,
> we should ensure that proper shutdown procedure is followed prior
> to allowing the kernel to reboot back up.
> 
Considering [1], can we rephrase the following?
> Without this patch, Smartreflex module might be left active or
IMHO, the word "patch" is redundant :)
> system might be caught in an indeterminate sequence when reboot
when software controlled reboot is triggered
> is triggered, leaving the next reboot behavior to be unpredictable.

In the case of hardware controlled warm reset such as that by watchdog
timer, prevention of this scenario is not possible.


[..]
-- 
Regards,
Nishanth Menon
[1] http://marc.info/?l=linux-omap&m=133053887101828&w=2