From c083ce9980109065297aa2171d18980a0ac92bb9 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 11 Jun 2014 16:17:54 +0530
Subject: [PATCH] ath9k: send powersave frame on channel switch

While leaving from or entering to active channel context, send out
nullfunc frame to inform to the AP about the presence of station.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
Reading git-format-patch failed