Messages in this thread | | | Date | Wed, 30 Jul 2014 10:43:33 +0100 | From | Will Deacon <> | Subject | Re: [PATCH] ARM: smp_scu: Enable standby mode |
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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@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:
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-July/275326.html
Will
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