Re: [34-stable regression] USB delay init quirk causes device events loss

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On Mon, 13 Sep 2010, Jiri Slaby wrote:

> Hi,
> 
> this commit:
> commit 93362a875fc69881ae69299efaf19a55a1f57db0
> Author: Phil Dibowitz <phil@xxxxxxxx>
> Date:   Thu Jul 22 00:05:01 2010 +0200
> 
>     USB delay init quirk for logitech Harmony 700-series devices
> 
> causes a lot of pain for users who loose events from their input devices:
> https://bugzilla.novell.com/show_bug.cgi?id=638200
> 
> opensuse 11.3 uses 2.6.34 stable and that's how the patch got there.
> Reverting it makes it work again.
> 
> The problem is that the patch shuffles with usb_detect_quirks which used
> to disable autosuspend by default. Apparently it no longer does.

I don't see how that patch could have the effect you claim.  
usb_detect_quirks still calls usb_disable_autosuspend.  Can you do a 
little more debugging to find out why it isn't working as expected?  
Reverting the commit is not a good solution.

Alan Stern

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