--- /dev/null
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Sun, 7 Jun 2015 13:53:35 +0200
+Subject: [PATCH] ath9k: force rx_clear when disabling rx
+
+This makes stopping Rx more reliable and should reduce the frequency of
+Rx related DMA stop warnings
+
+Cc: stable@vger.kernel.org
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -677,13 +677,15 @@ void ath9k_hw_startpcureceive(struct ath
+
+ ath9k_ani_reset(ah, is_scanning);
+
+- REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
++ REG_CLR_BIT(ah, AR_DIAG_SW,
++ AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
+ }
+ EXPORT_SYMBOL(ath9k_hw_startpcureceive);
+
+ void ath9k_hw_abortpcurecv(struct ath_hw *ah)
+ {
+- REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
++ REG_SET_BIT(ah, AR_DIAG_SW,
++ AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
+
+ ath9k_hw_disable_mib_counters(ah);
+ }
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -693,7 +693,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
+@@ -695,7 +695,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
{
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
struct ath_common *common = ath9k_hw_common(ah);
int i;
/* Enable access to the DMA observation bus */
-@@ -723,6 +723,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
+@@ -725,6 +725,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
}
if (i == 0) {
};
/* Hard-reset the chip. Do not call this directly.
-@@ -5538,6 +5578,8 @@ static int b43_one_core_attach(struct b4
+@@ -5542,6 +5582,8 @@ static int b43_one_core_attach(struct b4
if (!wldev)
goto out;
wldev->use_pio = b43_modparam_pio;
wldev->dev = dev;
wldev->wl = wl;
-@@ -5628,6 +5670,9 @@ static struct b43_wl *b43_wireless_init(
+@@ -5632,6 +5674,9 @@ static struct b43_wl *b43_wireless_init(
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;