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(parent: 9446b45) | patch
- Bugfix: Fix a EHCI hardware race, where the hardware computed data toggle
authorHans Petter Selasky <hselasky@FreeBSD.org>
Mon, 21 Mar 2011 21:16:25 +0000 (21:16 +0000)
committerHans Petter Selasky <hselasky@FreeBSD.org>
Mon, 21 Mar 2011 21:16:25 +0000 (21:16 +0000)
commitdbe63d3a2758953cd85c21c566cc528e38215d99
tree595e0ad285cd637ff25868834145a3ff15019acdtree | snapshot
parent9446b4536e247d67046c177a2728c8faeb8e0fa2commit | diff
- Bugfix: Fix a EHCI hardware race, where the hardware computed data toggle
value is updated after that we read it in the queue-head. This patch can
fix problems with BULK timeouts. The issue was found on a Nvidia chipset.

MFC after: 14 days
Approved by: thompsa (mentor)
sys/dev/usb/controller/ehci.c diff | blob | history
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