From: "Jan-Bernd Themann" <redacted>
Date: Tue, 15 Jun 2010 17:35:42 +0200

Port reset operations and memory add/remove operations need to 
be serialized to avoid a kernel deadlock. The deadlock is caused
by calling the napi_disable() function twice.
Therefore we have to employ the dlpar_mem_lock in the ehea_reset_port
function as well


Signed-off-by: Jan-Bernd Themann <redacted>

Applied.