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Stefan Richter aa0170fff3 firewire: ohci: fix TI TSB82AA2 regression since 2.6.35

Revert commit 54672386ccf36ffa21d1de8e75624af83f9b0eeb
"firewire: ohci: fix up configuration of TI chips".
It caused massive slow-down and data corruption with a TSB82AA2 based
StarTech EC1394B2 ExpressCard and FireWire 800 harddisks.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/657081
http://thread.gmane.org/gmane.linux.kernel.firewire.user/4013

The fact that some card EEPROMs do not program these enhancements may be
related to TSB81BA3 phy chip errata, if not to bugs of TSB82AA2 itself.
We could re-add these configuration steps, but only conditional on a
whitelist of cards on which these enhancements bring a proven positive
effect.

Reported-and-tested-by: Eric Shattow <lucent@gmail.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org> 2.6.35
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

2010-10-17 14:09:12 +02:00

core-card.c

Merge firewire branches to be released post v2.6.35

2010-08-02 10:09:04 +02:00

core-cdev.c

Merge firewire branches to be released post v2.6.35

2010-08-02 10:09:04 +02:00

core-device.c

Merge firewire branches to be released post v2.6.35

2010-08-02 10:09:04 +02:00

core-iso.c

Merge firewire branches to be released post v2.6.35