From 294bc611abab43e83bf14d85c493e77ceb364f2e Mon Sep 17 00:00:00 2001
From: Andrea Merello <andrea.merello@gmail.com>
Date: Fri, 4 Apr 2014 18:25:51 +0200
Subject: [PATCH] rtl8180: be paranoid in stopping unused queues.

HW should never attempt to perform DMA for unused queues.
For rtl8187se this is ensured by setting a dedicated register at
init time, before enabling TX.

In rtl8180/5 the register is only written at the first TX (because
in rtl8180/5 it serves also to kick DMA for used queues).
This should be enough, but it's worth to add a register write at
init time, before enabling TX.

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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