From f62d816fc4324afbb7cf90110c70b6a14139b225 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 25 Mar 2011 17:43:41 +0100
Subject: [PATCH] ath9k: fix a chip wakeup related crash in ath9k_start

When the chip is still asleep when ath9k_start is called,
ath9k_hw_configpcipowersave can trigger a data bus error.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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