lkml.org 
[lkml]   [2003]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.5.69 Interrupt Latency
On Tue, May 13, 2003 at 08:01:01AM -0500, Paul Fulghum wrote:
> On Tue, 2003-05-13 at 12:30, Greg KH wrote:
> > On Tue, May 13, 2003 at 10:35:07AM -0500, Paul Fulghum wrote:
> > > On Tue, 2003-05-13 at 10:26, Alan Stern wrote:
> > >
> > > > Putting in a sanity check for the global suspend state will be very easy.
> > > > But I would like to point out that this "global suspend" does not refer to
> > > > the entire system, only the USB bus.
> > >
> > > That is a problem then, because the delay can still
> > > occur during normal system operation.
> >
> > Ok, can you try the attached patch and see if it causes your latency
> > problem to go away?
>
> I applied the patch plus a couple of printk statements,
> and the wakeup_hc() is being continuously called
> as well as actually executing the delay.

Is the suspend_hc() function ever getting called by anyone in that
driver?

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:35    [W:0.113 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site