ath9k: fix some more "DMA failed to stop in 10 ms" issues on AR913x (#9654)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27482 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/560-ath9k_rx_stop.patch b/package/mac80211/patches/560-ath9k_rx_stop.patch
new file mode 100644 (file)
index 0000000..17c4c28
--- /dev/null
+++ b/package/mac80211/patches/560-ath9k_rx_stop.patch
@@ -0,0 +1,13 @@
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -737,7 +737,9 @@ bool ath9k_hw_stopdmarecv(struct ath_hw 
+ 
+               if (!AR_SREV_9300_20_OR_LATER(ah)) {
+                       mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
+-                      if (mac_status == 0x1c0 && mac_status == last_mac_status) {
++                      if (mac_status == last_mac_status &&
++                          (mac_status == 0x1c0 ||
++                           (AR_SREV_9100(ah) && mac_status == 0x020))) {
+                               *reset = true;
+                               break;
+                       }