* Marcelo Tosatti <[EMAIL PROTECTED]> wrote:
> On Wed, Jan 03, 2007 at 09:34:57PM -0800, David Brownell wrote:
> > On Friday 29 December 2006 11:26 am, Marcelo Tosatti wrote:
>
> <snip>
>
> > Move that earlier ... into the existing block of code for STS_PCD.
>
> As Alan mentioned that can't be done since we hold ehci->lock at that
> point, and usb_hcd_poll_rh_status() attempts to acquire it.
>
> > Presumably you tested this and it behaves?
>
> Switch ehci-hcd to use the new polling scheme, which reports root hub
> status changes via the interrupt handler, in an asynchronous fashion.
> Doing so disables polling for status changes (whose handler is
> rh_timer_func).
>
> Tested on a Geode GX machine, which is now capable of running at =~ 5
> timer interrupts per second (in the -rt tree), resulting in
> significant power savings.
thanks! I've applied your patch to the -rt tree.
Ingo
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