[PATCH 04/14] ARM: OMAP3+: SmartReflex: Add a shutdown hook

[Jean Pihet]

On Wed, Feb 29, 2012 at 7:07 PM, Kevin Hilman <khilman at ti.com> wrote:
> "Menon, Nishanth" <nm at ti.com> writes:
>
>> On Tue, Feb 28, 2012 at 16:40, Kevin Hilman <khilman at ti.com> wrote:
>>> Jean Pihet <jean.pihet at newoldbits.com> writes:
>>>
>>>> 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.
>>>
>>> prior to reboot?  how?
>>>
>>> This patch only ensures a proper shutdown if the kernel goes down
>>> cleanly.
>>>
>>> How is this handled on reboot?
>> There is no known solution for watchdog resets(part of the errata WA
>> limitation) :( - the best we could do was to make shutdown path safe -
>> this includes s/w (userspace triggered) reboots.
>
> OK, then the changelog needs an update to reflect that.
Just resent patch 04/13 with the update changelog.

>
> Kevin

Jean