ath9k_hw: Do full chip reset on 11A channels for AR9003

AR9003 seems to have issues sometimes with fast channel change
in 5GHz and this case is handled specifically for AR9280 by doing
a full reset. Let's do a full reset for 5GHz channles of AR9380
& for all channels of AR9280 pci chips.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4ace66c9d59d..f2de7ee047ce 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1499,14 +1499,16 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
         }
         ah->noise = ath9k_hw_getchan_noise(ah, chan);
 
+        if ((AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI) ||
+            (AR_SREV_9300_20_OR_LATER(ah) && IS_CHAN_5GHZ(chan)))
+                bChannelChange = false;
+
         if (bChannelChange &&
             (ah->chip_fullsleep != true) &&
             (ah->curchan != NULL) &&
             (chan->channel != ah->curchan->channel) &&
             ((chan->channelFlags & CHANNEL_ALL) ==
-             (ah->curchan->channelFlags & CHANNEL_ALL)) &&
-            (!AR_SREV_9280(ah) || AR_DEVID_7010(ah))) {
-
+             (ah->curchan->channelFlags & CHANNEL_ALL))) {
                 if (ath9k_hw_channel_change(ah, chan)) {
                         ath9k_hw_loadnf(ah, ah->curchan);
                         ath9k_hw_start_nfcal(ah, true);