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authorFelix Fietkau <nbd@openwrt.org>2012-07-14 17:48:49 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-07-14 17:48:49 +0000
commit7eedaace1abe1f683b4d30605fd3298fd54bac53 (patch)
tree084042c041b618dc1ce90fc0fcb385d59a579e3a /package/mac80211
parent08c7eae8f6b310b4579a076a68c716baab8fbdd1 (diff)
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ath9k: add extra checks to reduce the amount of unnecessary rx dma related logspam
SVN-Revision: 32709
Diffstat (limited to 'package/mac80211')
-rw-r--r--package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch15
1 files changed, 15 insertions, 0 deletions
diff --git a/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch b/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
new file mode 100644
index 0000000000..b8280f68d7
--- /dev/null
+++ b/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
@@ -0,0 +1,15 @@
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -718,6 +718,12 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
+ udelay(AH_TIME_QUANTUM);
+ }
+
++ 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;
++ }
++
+ if (i == 0) {
+ ath_err(common,
+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",