From: Francesco VIRLINZI <francesco.virlinzi@st.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH][RFC] sh: suspend interpreter V1
Date: Tue, 21 Apr 2009 07:17:32 +0000 [thread overview]
Message-ID: <49ED730C.9050507@st.com> (raw)
In-Reply-To: <20090323091739.25647.6773.sendpatchset@rx1.opensource.se>
Hi Magnus
> Can you disable power to certain parts of the SoC? Do you have
> multiple power domains?
>
Not currently... It should be in the future.
But hibernation on memory works with a 'power domain' board based
therefore it's easy to implement in the customer board.
> Do you need functions for saving and restoring hardware state in
> device drivers?
For some IP it's required.
> I've been talking a bit about run time device power
> management. Maybe that would be useful for you guys?
>
What do you have in mind?
Currently we release a kernel tool to leave the customer able to design
their our power profile.
This means the system is moved from a profile to an other....
A real runtime power management requires a support linux currently
doesn't have.
Regards
Francesco
> Cheers,
>
> / magnus
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>
prev parent reply other threads:[~2009-04-21 7:17 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-23 9:17 [PATCH][RFC] sh: suspend interpreter V1 Magnus Damm
2009-03-23 15:35 ` Francesco VIRLINZI
2009-03-24 7:00 ` Francesco VIRLINZI
2009-03-24 11:08 ` Magnus Damm
2009-03-24 13:41 ` Francesco VIRLINZI
2009-03-25 10:10 ` Magnus Damm
2009-03-25 14:46 ` takasi-y
2009-03-30 2:45 ` Magnus Damm
2009-03-30 7:02 ` Francesco VIRLINZI
2009-03-31 8:42 ` Paul Mundt
2009-04-15 11:15 ` Magnus Damm
2009-04-15 11:23 ` Paul Mundt
2009-04-16 14:15 ` Francesco VIRLINZI
2009-04-16 14:22 ` Francesco VIRLINZI
2009-04-17 2:07 ` Magnus Damm
2009-04-17 6:44 ` Francesco VIRLINZI
2009-04-17 10:39 ` Magnus Damm
2009-04-17 12:00 ` Francesco VIRLINZI
2009-04-17 21:38 ` Jean-Christophe PLAGNIOL-VILLARD
2009-04-20 10:26 ` Magnus Damm
2009-04-20 12:27 ` Jean-Christophe PLAGNIOL-VILLARD
2009-04-20 12:33 ` Francesco VIRLINZI
2009-04-20 12:55 ` Francesco VIRLINZI
2009-04-20 13:03 ` Jean-Christophe PLAGNIOL-VILLARD
2009-04-20 13:15 ` Jean-Christophe PLAGNIOL-VILLARD
2009-04-20 13:30 ` Michael Trimarchi
2009-04-21 7:17 ` Francesco VIRLINZI [this message]
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