On Mon, Mar 06, 2006 at 07:44:10PM +0000, Alan Cox wrote:
> On Sad, 2006-03-04 at 23:38 -0500, Dave Jones wrote:
> > There's an ugly patch below that was submitted, which fixes it for
> > some people, but as it's a) ide specific, and b) completely the
> > wrong place to do this and c) racy, I never merged it to mainline.
>
> If I understand the documentation correctly you simply need to disable
> the master bit on the root bridge during the transition and the PCI
> transactions will be stalled, providing you don't take too long about
> it.
tried it, didn't change anything.
The current code goes one step further, and disables it for all devices.
Still no joy. See the do_powersaver() function in arch/i386/kernel/cpu/cpufreq/longhaul.c
Dave
--
http://www.codemonkey.org.uk
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