From 592fa228f213932dc5ec433aade654d7352b3e08 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 22 Jul 2015 13:06:13 +0200
Subject: [PATCH] ath9k: remove struct ath_atx_ac

struct ath_atx_ac contains a list of active TIDs belonging to one WMM AC.
This patch changes the code to track active station TIDs in the txq directly.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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