ath9k: fix spur mitigation no-spur case for AR9002

For the AR9002, the spur frequency read from the EEPROM is mangled
before being compared against AR_NO_SPUR.  This results in the driver
trying to set up the spur mitigation for bogus spurs, rather than
cleanly breaking out.

Signed-off-by: Brian Prodoehl <bprodoehl@nomadio.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 7ae66a8..7d68d61 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -203,13 +203,14 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah,
        for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
                cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
 
+               if (AR_NO_SPUR == cur_bb_spur)
+                       break;
+
                if (is2GHz)
                        cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
                else
                        cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
 
-               if (AR_NO_SPUR == cur_bb_spur)
-                       break;
                cur_bb_spur = cur_bb_spur - freq;
 
                if (IS_CHAN_HT40(chan)) {