From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 20 Jan 2013 20:55:22 +0000 (+0100)
Subject: ath9k: allow setting arbitrary antenna masks on AR9003+
X-Git-Tag: v3.7.6~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=170c873e1406f2a3bf578acdeac7343388dae248;p=thirdparty%2Fkernel%2Fstable.git

ath9k: allow setting arbitrary antenna masks on AR9003+

commit fea92cbf0850d788683827990670d3968f893327 upstream.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7909e4309411c..6962c8a11ef75 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1830,6 +1830,9 @@ static u32 fill_chainmask(u32 cap, u32 new)
 
 static bool validate_antenna_mask(struct ath_hw *ah, u32 val)
 {
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		return true;
+
 	switch (val & 0x7) {
 	case 0x1:
 	case 0x3: