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authorFelix Fietkau <nbd@openwrt.org>2012-12-07 16:46:04 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-12-07 16:46:04 +0000
commit6ec11910ca5abfb3d646d15ca11e1c7ed48cfc3e (patch)
treee53928d7ac5004a755b1a8455945a93fa17386dc /package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch
parent104526605c12d4e37b9bf2aab92baf3f79addb4c (diff)
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mac80211: update to wireless-testing 2012-12-06
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34571 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch')
-rw-r--r--package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch b/package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch
new file mode 100644
index 0000000000..606eb1c63d
--- /dev/null
+++ b/package/mac80211/patches/552-ath9k_rx_dma_stop_check.patch
@@ -0,0 +1,28 @@
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -689,7 +689,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
+ {
+ #define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
+ struct ath_common *common = ath9k_hw_common(ah);
+- u32 mac_status, last_mac_status = 0;
++ u32 mac_status = 0, last_mac_status = 0;
+ int i;
+
+ /* Enable access to the DMA observation bus */
+@@ -719,6 +719,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
+ }
+
+ if (i == 0) {
++ if (!AR_SREV_9300_20_OR_LATER(ah) &&
++ (mac_status & 0x700) == 0) {
++ /*
++ * DMA is idle but the MAC is still stuck
++ * processing events
++ */
++ *reset = true;
++ return true;
++ }
++
+ ath_err(common,
+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
+ AH_RX_STOP_DMA_TIMEOUT / 1000,