Re: 3G modem autosuspend

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On Thu, Feb 10, 2011 at 03:27:49PM +0100, Oliver Neukum wrote:
> Am Mittwoch, 9. Februar 2011, 21:55:37 schrieb Sarah Sharp:
> > Is there a reason remote wakeup is disabled by default?  Is there a
> > history of devices that use the option driver having issues with
> > auto-suspend?
> 
> No. I've tested this driver myself and gotten no errors.
> 
> > It seems like if the USB device advertises remote wakeup
> > and the device is self-powered, then we should turn on remote wakeup by
> > default.
> 
> Just for the record there's a potential catch. We also block
> autosuspend, if RESET_RESUME and remote wakeup both are set.
> 
> You've caused me to look at the option driver in rc4 and there is quite
> a number of issues that can cause runtime PM problems. Would
> you test a series of patches?

I'll forward them to the people who have hardware.  They're currently
using 2.6.37, but I think they can backport the patches to test.

Sarah Sharp
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