[PATCH] for ng_ubt2 stalled transfers

[Maksim Yevmenkin]

> Thanks for the quick patch, but that did not help:
>
> ubt0: <Broadcom Corp Foxconn Bluetooth 2.0 plus EDR, class 224/1, rev 2.00/1.00, addr 2> on usbus2
> ubt0:ubt_bulk_read_callback:981: bulk-in transfer failed: USB_ERR_STALLED
> ubt0:ubt_intr_read_callback:834: interrupt transfer failed: USB_ERR_STALLED

stalled transfers are NOT going to be fixed. the patch was to make
sure the system would not crash with stalled transfers.

> I also have another usb bluetooth stick which shows this on insertion:
>
> Jan 23 22:13:00 maggie kernel: usb2_alloc_device:1401: set address 2 failed (ignored)
> Jan 23 22:13:00 maggie kernel: usb2_alloc_device:1436: getting device descriptor at addr 2 failed!

this is something else. this happens earlier than usb2_bluetooth_ng

> Jan 23 22:13:01 maggie kernel: ugen0.2: <Cambridge Silicon Radio> at usbus0
> Jan 23 22:13:01 maggie kernel: ubt1: <Cambridge Silicon Radio Bluetooth USB dongle, class 224/1, rev 1.10/3.73, addr 2> on usbus0

that looks normal to me.

thanks,
max

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> Lars
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