From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 16 Nov 2009 06:10:57 +0000 (+0530)
Subject: ath9k: Fix bug in initializing chain masks
X-Git-Tag: v2.6.33-rc1~388^2~214^2~77
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb53a150caa3068ce366b75dd354718145f5e893;p=profile%2Fivi%2Fkernel-x86-ivi.git

ath9k: Fix bug in initializing chain masks

Check for AR5416 ver 1.0 before calibrating 3 chains
for multi-chain. This is a WAR for calibration
failure.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ffcc4f03..53a7b98 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1146,7 +1146,7 @@ static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
 	case 0x3:
-		if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
+		if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
 			REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
 			REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
 			break;