On Wed, Oct 27, 2004 at 06:22:55PM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2004-10-27 at 09:07 +0200, Sjoerd Simons wrote:
> > On Wed, Oct 27, 2004 at 03:42:48PM +1000, Benjamin Herrenschmidt wrote:
> > > Hi !
> > >
> > > This is an experimental patch against 2.6.9. It concerns the ATI based
> > > Aluminium PowerBook. The nVidia based ones aren't concerned at all, and
> > > the iBook G4 will have to wait a bit more for me to get the video wakeup
> > > code right.
> > >
> > > It will add sleep (suspend-to-ram) support for these machines.
> > >
> > > It's based on various tested bits but is untested on these machines in
> > > it's current form, so let me know.
> >
> > Woohoo, it works :) I've attached the dmesg output of a suspend-resume
> > cycle.
> > This is on a PowerBook5,2 (15" with radeon 9600)
> >
> > After suspend only bluetooth seems to be dysfunctional, but i guess that a
> > problem in bluez..
>
> Look at drivers/usb/core/hub.c, there is this:
>
> #if 1
> dev_warn(&intf->dev, "resume is unsafe!\n");
> #else
> down_write(&usb_bus_type.rwsem);
> device_release_driver(&intf->dev);
> up_write(&usb_bus_type.rwsem);
> #endif
>
> (At line 1530)
>
> Can you try turning that #if 1 into #if 0 and let me know if that helps with
> bluetooth ?
the usb_bus_type struct doesn't have the rwsem member anymore, so that doesn't
compile..
Sjoerd
--
Doubt isn't the opposite of faith; it is an element of faith.
-- Paul Tillich, German theologian.
