[RFC/PATCH] idle loop changes

Matt Porter porter at cox.net
Thu Aug 1 07:24:01 EST 2002

On Wed, Jul 31, 2002 at 12:32:00PM -0700, Tom Rini wrote:
> The following is based on the final patch that Armin posted a short
> while back.  What this does is allow for the power_save() function to be
> overridden, but still provide a 'sane' default.  This moves the existing
> power_save() function into ppc6xx_idle.c, as after talking with Hollis,
> the function won't work as-is on Power3/iSeries (bits have moved or are
> non-existant).
> I'm not totally sure if it's better to do it this way, or to not provide
> a default power_save(), so that if we don't set pm_idle to something, we
> just never call power_save() (as opposed to a call, check for a bit &
> return).  Comments?

To build it on non-6xx you need to move the powersave_nap declaration
back to idle.c and extern it in ppc6xx_idle.c.  It's required by
sysctl.  Other than that, this will work.

Matt Porter
porter at cox.net
This is Linux Country. On a quiet night, you can hear Windows reboot.

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

More information about the Linuxppc-dev mailing list