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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2011-04-19 19:29:09 +0530
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:50:10 -0400
commite758ff8f7fc9ce96e94131b13e70af2c197fa05e (patch)
tree13ebb37aadd983a960b4d757a37409058eaf3e76
parent17869f4fe940407b5b80039110c0257c90e18a99 (diff)
downloadlinux-e758ff8f7fc9ce96e94131b13e70af2c197fa05e.tar.bz2
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>
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_calib.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 4a4cd88429c0..09f3aa7f82f5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -940,21 +940,18 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
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))