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>

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4ace66c..f2de7ee 100644 (file)
--- 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);