resume regression in 2.6.37

[s.neumann@raumfeld.com (Sven Neumann)]

On Thu, 2011-01-13 at 18:33 +0100, Thomas Gleixner wrote:

> > Without the revert there is absolutely no sign of resume. With the
> > change reverted I can see that the PXA powers up again, there's an LED
> > showing that the USB controller has power again. Unfortunately there's
> > seems to be another problem and the resume doesn't complete. I've tried
> > to get console output by using no_console_suspend, but there's just
> > gibberish on the console after resume :(
> > 
> > Any idea on how to proceed from here? I could perhaps ask our hardware
> > engineer to try find out where exactly we are stuck in the resume. But
> > I'd like to avoid that if possible.
> 
> Can you stick a printk into the set_wake() function of that irq chip
> and print the irq and on arguments and the return value . Run that
> with both stock 2.6.37 and the patch reverted.

pxa3xx_set_wake(31, 1) returns 0

Same result with stock 2.6.37 and the patch reverted. Except that
without the patch reverted, the device doesn't power up again.


Sven