Re: [PATCH v6 5/5] ACPI : enable ACPI_PROCESSOR_IDLE on ARM64

[Sudeep Holla]

On 27/06/16 16:05, Daniel Lezcano wrote:
> On 06/27/2016 05:03 PM, Sudeep Holla wrote:
> > Hi Daniel,
> >
> > On 27/06/16 15:33, Daniel Lezcano wrote:
> > > On 06/14/2016 04:48 PM, Sudeep Holla wrote:
> > > > Now that ACPI processor idle driver supports LPI(Low Power Idle), lets
> > > > enable ACPI_PROCESSOR_IDLE for ARM64 too.
> > > >
> > > > This patch just removes the IA64 and X86 dependency on
> > > > ACPI_PROCESSOR_IDLE
> > > >
> > > > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> > > > Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> > > > Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> > > > ---
> > >
> > > Hi Sudeep,
> > >
> > > now that ACPI processor supports ARM64 did you check the
> > > CPUIDLE_DRIVER_STATE_START trick in the code and its derivative ?
> >
> > No, that is used only for C-State and ARM64 doesn't support it.
> > Patch 1/5 puts all the C-State code under #ifdef so that it's not
> > compiled on ARM64.
> >
> > > I deleted the patch 2/5 but there is a place where:
> >
> > Sorry, I don't follow what you mean by that.
>
> I meant I just deleted from my mailbox the patch 2/5, so I can't do
> inline comment.

Ah ok, anyways LPI always starts from index 0. IIUC that was your main
concern.

--
Regards,
Sudeep