[PATCH 2/2] input: make the Input Core be the last in the poller queue

Aleksey Kuleshov rndfax at yandex.ru
Fri Mar 11 04:25:01 PST 2016

> Here it is. It now works, presumable because of your recent change to
> the interrupt transactions (ehci-hcd: preserve DTC in QH for interrupt
> transactions).

I don't know what you mean, but this patch almost worked. I slightly changed it
and I get working patch: I tested 4 keyboards, only one of them (some Genius)
behave strangely, but this is not related to my recent patch you mentioned.

For Genius keyboard I got these messages:
    Bus 001 Device 003: ID 1c4f:0026 USB Keyboard
    usb-keyboard usb1-0-2: USB keyboard found
    usb-keyboard usb1-0-2: Timeout poll on interrupt endpoint
    usb-keyboard usb1-0-2: got wrong buffer back (00000000 instead of 82130fd8)

And tons of such messages:
    usb-keyboard usb1-0-2: usb_submit_int_msg() failed. Keyboard disconnect?
when there was screen scrolling (which is very slow in my case).

Can you elaborate a little what does not work in your case?

PS. Right now, I'm trying to investigate strange behaviour of Genius keyboard.
I think next week I'll send you patch on your patch.

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