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USB_HUB_CLEAR_TT_BUF(9)		 USB Core APIs	       USB_HUB_CLEAR_TT_BUF(9)

NAME
       usb_hub_clear_tt_buffer - clear control/bulk TT state in high speed hub

SYNOPSIS
       int usb_hub_clear_tt_buffer(struct urb * urb);

ARGUMENTS
       urb
	   an URB associated with the failed or incomplete split transaction

DESCRIPTION
       High speed HCDs use this to tell the hub driver that some split control
       or bulk transaction failed in a way that requires clearing internal
       state of a transaction translator. This is normally detected (and
       reported) from interrupt context.

       It may not be possible for that hub to handle additional full (or low)
       speed transactions until that state is fully cleared out.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       USB_HUB_CLEAR_TT_BUF(9)

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