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 dc51b84..3937e46 100644 (file)
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -1079,6 +1079,19 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
        }
 
        /*
+        * 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
         */
        AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,