From: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Date: Wed, 24 Aug 2011 16:08:07 +0000 (+0530)
Subject: ath9k: Fix PS wrappers in ath9k_set_coverage_class
X-Git-Tag: v3.0.5~212
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ec518b00f722f9655c1505bbcab25240629cc2af;p=karo-tx-linux.git

ath9k: Fix PS wrappers in ath9k_set_coverage_class

commit 8b2a3827bb12430d932cd479b22d906baf08c212 upstream.

this callback is called during suspend/resume and also via iw command.
it configures parameters like sifs, slottime, acktimeout in
ath9k_hw_init_global_settings where few REG_READ, REG_RMW are also done
and hence the need for PS wrappers

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 2ca351fe6d3c..5362306d4034 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2260,7 +2260,11 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
 
 	mutex_lock(&sc->mutex);
 	ah->coverage_class = coverage_class;
+
+	ath9k_ps_wakeup(sc);
 	ath9k_hw_init_global_settings(ah);
+	ath9k_ps_restore(sc);
+
 	mutex_unlock(&sc->mutex);
 }