From 7fbdaa2a27583664ff700843269bc3ca14e4e1b5 Mon Sep 17 00:00:00 2001
From: Oleksij Rempel <linux@rempel-privat.de>
Date: Wed, 26 Feb 2014 10:03:43 +0100
Subject: [PATCH] ath9k: remove unused listen_interval and sleepduration.

this variable never changed.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reading git-format-patch failed