On Wed, Jul 12, 2017 at 2:55 PM, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:
> On Wed, Jul 12, 2017 at 02:45:18PM -0700, Olof Johansson wrote:
>> Dmitry,
>>
>> I installed current mainline (as of 3b06b1a744) on a z840 here, and
>> lost the mouse.
>>
>> Bisecting down, it seems like "HID: usbhid: remove custom locking from
>> usbhid_open/close" (e399396a6b0) is at fault, and if I revert that and
>> 283a21da1239 I get a working system again. Userspace is Ubuntu 16.04.
>
> Olof, does the patch below work for you?
Yup! Thanks!
> --
> Dmitry
>
> HID: usbhid: fix "always poll" quirk
>
> From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
>
> Even though the IO for devices with "always poll" quirk is already running,
> we still need to set HID_OPENED bit in usbhid->iofl so the interrupt
> handler does not ignore the data coming from the device.
>
> Reported-by: Olof Johansson <olof@xxxxxxxxx>
> Fixes: e399396a6b0 ("HID: usbhid: remove custom locking from usbhid_open...")
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Tested-by: Olof Johansson <olof@xxxxxxxxx>
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