From d737d7da8e7e931360282199341f44ac0803c837 Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Mon, 3 Mar 2014 23:23:51 +0100
Subject: [PATCH] firewire: sbp2: replace card lock by target lock

firewire-core uses fw_card.lock to protect topology data and transaction
data.  firewire-sbp2 uses fw_card.lock for entirely unrelated purposes.

Introduce a sbp2_target.lock to firewire-sbp2 and replace all
fw_card.lock uses in the driver.  fw_card.lock is now entirely private
to firewire-core.  This has no immediate advantage apart from making it
clear in the code that firewire-sbp2 does not interact with the core
via the core lock.

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