From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Mon, 18 Jun 2007 21:24:43 +0000 (-0700)
Subject: IB/ipath: Wait for PIO available interrupt
X-Git-Tag: v2.6.23-rc1~1085^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db5518cd09c21f0fa70af0a4ca38badd90622c9e;p=pandora-kernel.git

IB/ipath: Wait for PIO available interrupt

The send function is called when posting new send work requests.
There is no point in trying to send a packet if the QP is already
waiting for a HW send buffer so don't clear the busy bit until the
buffer available interrupt happens.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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