# HG changeset patch
# User Jerone Young <[EMAIL PROTECTED]>
# Date 1206969060 18000
# Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
# Parent 1506aa38ddabb0bf73fff3ac3f3db5f9ef6458cc
Add idle power save for ppc 4xx
This patch sets the wait state MSR when power_save is called in cpu_idle loop
On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> # HG changeset patch
> # User Jerone Young <[EMAIL PROTECTED]>
> # Date 1206969060 18000
> # Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
> # Parent 1506aa38ddabb0bf73fff3ac3f3db5f9ef6458cc
> Add idle power save for ppc 4xx
>
> This pat
On Mon, 31 Mar 2008 12:07:17 -0500
Josh Boyer <[EMAIL PROTECTED]> wrote:
> On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> > # HG changeset patch
> > # User Jerone Young <[EMAIL PROTECTED]>
> > # Date 1206969060 18000
> > # Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
> > # Parent 15
On Mon, 2008-03-31 at 13:05 -0500, Josh Boyer wrote:
> On Mon, 31 Mar 2008 12:07:17 -0500
> Josh Boyer <[EMAIL PROTECTED]> wrote:
>
> > On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> > > # HG changeset patch
> > > # User Jerone Young <[EMAIL PROTECTED]>
> > > # Date 1206969060 18000
> >
On Mon, 2008-03-31 at 12:07 -0500, Josh Boyer wrote:
> On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> > # HG changeset patch
> > # User Jerone Young <[EMAIL PROTECTED]>
> > # Date 1206969060 18000
> > # Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
> > # Parent 1506aa38ddabb0bf73fff3a
On Mon, 2008-03-31 at 13:23 -0500, Jerone Young wrote:
> > > diff --git a/arch/powerpc/kernel/idle_4xx.c
> > > b/arch/powerpc/kernel/idle_4xx.c
> > > new file mode 100644
> > > --- /dev/null
> > > +++ b/arch/powerpc/kernel/idle_4xx.c
> >
> > Can this be added to sysdev/ppc4xx_soc.c instead?
>
>
On Mon, 31 Mar 2008 13:05:18 -0500, Josh Boyer wrote:
> On Mon, 31 Mar 2008 12:07:17 -0500
> Josh Boyer <[EMAIL PROTECTED]> wrote:
>
>> On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
>> > # HG changeset patch
>> > # User Jerone Young <[EMAIL PROTECTED]> # Date 1206969060 18000
>> > # Node
On Mon, 2008-03-31 at 19:24 +, Hollis Blanchard wrote:
> On Mon, 31 Mar 2008 13:05:18 -0500, Josh Boyer wrote:
>
> > On Mon, 31 Mar 2008 12:07:17 -0500
> > Josh Boyer <[EMAIL PROTECTED]> wrote:
> >
> >> On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> >> > # HG changeset patch
> >> >
On Mon, 2008-03-31 at 15:28 -0500, Josh Boyer wrote:
> On Mon, 2008-03-31 at 19:24 +, Hollis Blanchard wrote:
> > On Mon, 31 Mar 2008 13:05:18 -0500, Josh Boyer wrote:
> >
> > > On Mon, 31 Mar 2008 12:07:17 -0500
> > > Josh Boyer <[EMAIL PROTECTED]> wrote:
> > >
> > >> On Mon, 2008-03-31 at 0
On Mon, 2008-03-31 at 13:19 -0500, Jerone Young wrote:
> On Mon, 2008-03-31 at 13:05 -0500, Josh Boyer wrote:
> > On Mon, 31 Mar 2008 12:07:17 -0500
> > Josh Boyer <[EMAIL PROTECTED]> wrote:
> >
> > > On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> > > > # HG changeset patch
> > > > # Use
On Tue, 2008-04-01 at 12:04 +1100, Michael Ellerman wrote:
> > > > I'm assuming you pass a dtb to the virtual guest when you start it up.
> > > > Could you define a property in the CPU node there that can be parsed to
> > > > use the power_save function instead of always making it the default?
> >
On Mon, 2008-03-31 at 22:15 -0500, Josh Boyer wrote:
> On Tue, 2008-04-01 at 12:04 +1100, Michael Ellerman wrote:
> > > > > I'm assuming you pass a dtb to the virtual guest when you start it up.
> > > > > Could you define a property in the CPU node there that can be parsed
> > > > > to
> > > > > u
Josh Boyer writes:
> Actually, you probably don't want this as a property in the device
> tree. It doesn't describe hardware. A Kconfig option might be
> warranted though.
In general it is valid to have properties in the device tree that
describe the hypervisor or the kernel's interface to it,
On Tue, 1 Apr 2008 15:00:38 +1100
Paul Mackerras <[EMAIL PROTECTED]> wrote:
> Josh Boyer writes:
>
> > Actually, you probably don't want this as a property in the device
> > tree. It doesn't describe hardware. A Kconfig option might be
> > warranted though.
>
> In general it is valid to have p
On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> # HG changeset patch
> # User Jerone Young <[EMAIL PROTECTED]>
> # Date 1206969060 18000
> # Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
> # Parent 1506aa38ddabb0bf73fff3ac3f3db5f9ef6458cc
> Add idle power save for ppc 4xx
>
> This pat
On Mon, 2008-03-31 at 11:27 -0500, Hollis Blanchard wrote:
> On Mon, 2008-03-31 at 08:12 -0500, Jerone Young wrote:
> > # HG changeset patch
> > # User Jerone Young <[EMAIL PROTECTED]>
> > # Date 1206969060 18000
> > # Node ID 10aea37177130bbe5de7bee6ec06d9010bc5da1f
> > # Parent 1506aa38ddabb0bf7
On Mon, 31 Mar 2008 11:52:02 -0500
Jerone Young <[EMAIL PROTECTED]> wrote:
> > void ppc4xx_idle(void)
> >
> > > +{
> > > + unsigned long msr_save;
> > > +
> > > + /* set wait state MSR */
> > > + local_irq_enable();
> > > + msr_save = mfmsr();
> > > + mtmsr(msr_save|MSR_WE);
> >
> > Why don't yo
On Mar 31, 2008, at 11:15 PM, Josh Boyer wrote:
On Tue, 2008-04-01 at 12:04 +1100, Michael Ellerman wrote:
I'm assuming you pass a dtb to the virtual guest when you start
it up.
Could you define a property in the CPU node there that can be
parsed to
use the power_save function instead of al
On Tue, 2008-04-01 at 08:01 -0400, Jimi Xenidis wrote:
> On Mar 31, 2008, at 11:15 PM, Josh Boyer wrote:
>
> > On Tue, 2008-04-01 at 12:04 +1100, Michael Ellerman wrote:
> > I'm assuming you pass a dtb to the virtual guest when you start
> > it up.
> > Could you define a property in
On Monday 31 March 2008, Jerone Young wrote:
> >
> > > +{
> > > + unsigned long msr_save;
> > > +
> > > + /* set wait state MSR */
> > > + local_irq_enable();
> > > + msr_save = mfmsr();
> > > + mtmsr(msr_save|MSR_WE);
> >
> > Why don't you |MSR_WE|MSR_EE at the same time?
>
> You tech
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