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-rw-r--r--package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch29
1 files changed, 21 insertions, 8 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
index b8280f68d7..606eb1c63d 100644
--- a/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
+++ b/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
@@ -1,15 +1,28 @@
--- 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);
+@@ -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 (!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) {
++ 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,