From: Andrea Merello <andrea.merello@gmail.com>
Date: Fri, 4 Apr 2014 16:25:51 +0000 (+0200)
Subject: rtl8180: be paranoid in stopping unused queues.
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~36^2~279^2^2~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=294bc611abab43e83bf14d85c493e77ceb364f2e;p=pandora-kernel.git

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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