ath9k_hw: use the skip count for PA calibration on AR9271

Periodic power amplifier offset calibration is skipped on ath9k
algorithmically, this is required on AR9271.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index e76dd7498653..d5026e4f484b 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -1059,9 +1059,12 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
         /* Do NF cal only at longer intervals */
         if (longcal) {
                 /* Do periodic PAOffset Cal */
-                if (AR_SREV_9271(ah))
-                        ath9k_hw_9271_pa_cal(ah, false);
-                else if (AR_SREV_9285_11_OR_LATER(ah)) {
+                if (AR_SREV_9271(ah)) {
+                        if (!ah->pacal_info.skipcount)
+                                ath9k_hw_9271_pa_cal(ah, false);
+                        else
+                                ah->pacal_info.skipcount--;
+                } else if (AR_SREV_9285_11_OR_LATER(ah)) {
                         if (!ah->pacal_info.skipcount)
                                 ath9k_hw_9285_pa_cal(ah, false);
                         else