ath9k_hw: Clean up rx/tx chain configuration before AGC/IQ cal
Use hw supported chains instead of hard coded values.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 4a4cd88..09f3aa7 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -940,21 +940,18 @@
struct ath9k_channel *chan)
{
struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
int val;
val = REG_READ(ah, AR_ENT_OTP);
ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
- if (AR_SREV_9485(ah))
- ar9003_hw_set_chain_masks(ah, 0x1, 0x1);
- else if (val & AR_ENT_OTP_CHAIN2_DISABLE)
+ /* Configure rx/tx chains before running AGC/TxiQ cals */
+ if (val & AR_ENT_OTP_CHAIN2_DISABLE)
ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
else
- /*
- * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain
- * mode before running AGC/TxIQ cals
- */
- ar9003_hw_set_chain_masks(ah, 0x7, 0x7);
+ ar9003_hw_set_chain_masks(ah, pCap->rx_chainmask,
+ pCap->tx_chainmask);
/* Do Tx IQ Calibration */
if (AR_SREV_9485(ah))