ath9k: avoid accessing MRC registers on single-chain devices
authorFelix Fietkau <nbd@openwrt.org>
Tue, 13 Aug 2013 10:33:28 +0000 (12:33 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 15 Aug 2013 20:07:58 +0000 (16:07 -0400)
They are not implemented, and accessing them might trigger errors

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

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