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PR/55835 CVS commit: src/sys/dev/usb

The following reply was made to PR kern/55835; it has been noted by GNATS.

From: "Nick Hudson" <>
Subject: PR/55835 CVS commit: src/sys/dev/usb
Date: Wed, 9 Dec 2020 07:10:02 +0000

 Module Name:	src
 Committed By:	skrll
 Date:		Wed Dec  9 07:10:01 UTC 2020
 Modified Files:
 	src/sys/dev/usb: ohci.c ohcivar.h
 Log Message:
 Restructure the abort code for TD based transfers (ctrl, bulk, intr).
 In PR kern/22646 some TDs can be on the done queue when the abort start
 and, if this is the case, they need to processed after the WDH interrupt.
 Instead of waiting for WDH we release TDs that have been touched by the
 HC and replace them with new ones.  Once WDH happens the floating TDs
 will be returned to the free list.
 Also addresses the issue seen in PR kern/55835
 Thanks to both Andreas Gustafsson and Edgar FuÃ? for testing.  Apologies to
 Andreas Gustafsson for not committing this to HEAD for 4y6m.w
 To generate a diff of this commit:
 cvs rdiff -u -r1.310 -r1.311 src/sys/dev/usb/ohci.c
 cvs rdiff -u -r1.61 -r1.62 src/sys/dev/usb/ohcivar.h
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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