On Mon, Jun 12, 2017 at 08:49:39PM +0200, Rafael J. Wysocki wrote: > On Monday, June 12, 2017 05:55:10 PM Daniel Lezcano wrote: > > Some hardware have clusters with different idle states. The current code > > does > > not support this and fails as it expects all the idle states to be > > identical. > > > > Because of this, the Mediatek mtk8173 had to create the same idle state for > > a > > big.Little system and now the Hisilicon 960 is facing the same situation. > > > > Solve this by simply assuming the multiple driver will be needed for all the > > platforms using the ARM generic cpuidle driver which makes sense because of > > the > > different topologies we can support with a single kernel for ARM32 or ARM64. > > > > Every CPU has its own driver, so every single CPU can specify in the DT the > > idle states. > > > > This simple approach allows to support the future dynamIQ system, current > > SMP > > and HMP. > > > > Tested on: > > - 96boards: Hikey 620 > > - 96boards: Hikey 960 > > - 96boards: dragonboard410c > > - Mediatek 8173 > > > > Cc: Sudeep Holla <[email protected]> > > Cc: Lorenzo Pieralisi <[email protected]> > > Tested-by: Leo Yan <[email protected]> > > Signed-off-by: Daniel Lezcano <[email protected]> > > There seems to have been quite some discussion regarding this one and I'm not > sure about the resolution of it. > > I'd feel more comfortable with an ACK or Reviewed-by from Sudeep or Lorenzo > here.
I understand. Sudeep it is ok with the patch [1] without an explicit acked-by. -- Daniel [1] https://www.spinics.net/lists/kernel/msg2525980.html
