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/freebsd-11-stable/sys/dev/usb/
H A Dusb_request.cdiff 248246 Wed Mar 13 13:51:06 MDT 2013 hselasky - Make quirk for reading device descriptor from broken USB devices.
Else they won't enumerate at all:
hw.usb.full_ddesc=1
- Reduce the USB descriptor read timeout from 1000ms to
500ms. Typical value for LOW speed devices is 50-100ms.
- Enumerate USB device a maximum of 3 times when a port
connection change event is detected, before giving up.

MFC after: 1 month
H A Dusb_device.cdiff 248246 Wed Mar 13 13:51:06 MDT 2013 hselasky - Make quirk for reading device descriptor from broken USB devices.
Else they won't enumerate at all:
hw.usb.full_ddesc=1
- Reduce the USB descriptor read timeout from 1000ms to
500ms. Typical value for LOW speed devices is 50-100ms.
- Enumerate USB device a maximum of 3 times when a port
connection change event is detected, before giving up.

MFC after: 1 month

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