From: Clemens Ladisch <clemens@ladisch.de>
Date: Mon, 11 Apr 2011 07:56:12 +0000 (+0200)
Subject: firewire: ohci: do not start DMA contexts before link is enabled
X-Git-Tag: v3.0-rc1~368^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ecf8328e59447b83a1f79628487e0e9f8801db84;p=pandora-kernel.git

firewire: ohci: do not start DMA contexts before link is enabled

OHCI 1.1 5.7.3 not only forbids enabling or starting any DMA contexts
before the linkEnable bit is set, but also explicitly warns of undefined
behaviour if this order is violated.

Don't violate it then.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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