From: Nick Kossifidis <mick@madwifi.org>
Date: Sun, 20 Jul 2008 03:38:16 +0000 (+0300)
Subject: ath5k: Do ADC test during reset
X-Git-Tag: v2.6.27-rc2~2^2~24^2~23
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=e2a0ccebc4ffabc1c7234cfd324299b5a936e0f2;p=~shefty%2Frdma-dev.git

ath5k: Do ADC test during reset

 * Do an ADC test during reset to match recent regdumps

Changes-licensed-under: ISC
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index dc51b844c62..3937e46e473 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -1078,6 +1078,19 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
 		mdelay(1);
 	}
 
+	/*
+	 * Perform ADC test (?)
+	 */
+	data = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
+	ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
+	for (i = 0; i <= 20; i++) {
+		if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
+			break;
+		udelay(200);
+	}
+	ath5k_hw_reg_write(ah, data, AR5K_PHY_TST1);
+	data = 0;
+
 	/*
 	 * Enable calibration and wait until completion
 	 */