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-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c10
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h1
3 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 87d9c348e598..b04fa4622822 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -1203,7 +1203,7 @@ EXPORT_SYMBOL(ar9003_mci_cleanup);
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 value = 0;
+ u32 value = 0, tsf;
u8 query_type;
switch (state_type) {
@@ -1261,6 +1261,14 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
ar9003_mci_send_coex_bt_status_query(ah, true, query_type);
break;
case MCI_STATE_RECOVER_RX:
+ tsf = ath9k_hw_gettsf32(ah);
+ if ((tsf - mci->last_recovery) <= MCI_RECOVERY_DUR_TSF) {
+ ath_dbg(ath9k_hw_common(ah), MCI,
+ "(MCI) ignore Rx recovery\n");
+ break;
+ }
+ ath_dbg(ath9k_hw_common(ah), MCI, "(MCI) RECOVER RX\n");
+ mci->last_recovery = tsf;
ar9003_mci_prep_interface(ah);
mci->query_bt = true;
mci->need_flush_btinfo = true;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
index 0910310ae834..3e51f54b0122 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
@@ -18,6 +18,7 @@
#define AR9003_MCI_H
#define MCI_FLAG_DISABLE_TIMESTAMP 0x00000001 /* Disable time stamp */
+#define MCI_RECOVERY_DUR_TSF (100 * 1000) /* 100 ms */
/* Default remote BT device MCI COEX version */
#define MCI_GPM_COEX_MAJOR_VERSION_DEFAULT 3
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 94e921147e4c..2f84ab273d0c 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -88,6 +88,7 @@ struct ath9k_hw_mci {
u8 bt_state;
u8 stomp_ftp;
bool concur_tx;
+ u32 last_recovery;
};
struct ath_btcoex_hw {