[PATCH] ARM: smp_scu: Enable standby mode
soren.brinkmann at xilinx.com
Wed Jul 30 08:29:13 PDT 2014
On Wed, 2014-07-30 at 10:43AM +0100, Will Deacon wrote:
> On Tue, Jul 29, 2014 at 06:21:03PM +0100, Soren Brinkmann wrote:
> > Enable the SCU standby mode.
> > From documentation:
> > When set, SCU CLK is turned off when all processors are in WFI mode,
> > there is no pending request on the ACP (if implemented), and there is
> > no remaining activity in the SCU.
> > When SCU CLK is off, ARREADYS, AWREADYS and WREADYS on the ACP are forced
> > LOW. The clock is turned on when any processor leaves WFI mode, or if
> > there is a new request on the ACP.
> > Signed-off-by: Soren Brinkmann <soren.brinkmann at xilinx.com>
> > ---
> > Hi,
> > I am working on some PM related patches for Zynq. One of them is
> > enabling the SCU standby mode. I was wondering whether this is probably
> > something that I should not do in platform specific code, but rather in
> > the common code for everybody?
> Take a look at Shawn's patches for this:
Great, so that is already coming. Is that patch already applied
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