94 lines
3.0 KiB
Diff
94 lines
3.0 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
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@@ -829,7 +829,7 @@ static bool ar9002_hw_init_cal(struct at
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if (AR_SREV_9271(ah)) {
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if (!ar9285_hw_cl_cal(ah, chan))
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return false;
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- } else if (AR_SREV_9285_12_OR_LATER(ah)) {
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+ } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
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if (!ar9285_hw_clc(ah, chan))
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return false;
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} else {
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--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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@@ -1381,3 +1381,25 @@ void ar9003_hw_bb_watchdog_dbg_info(stru
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"==== BB update: done ====\n\n");
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}
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EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info);
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+
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+void ar9003_hw_disable_phy_restart(struct ath_hw *ah)
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+{
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+ u32 val;
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+
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+ /* While receiving unsupported rate frame rx state machine
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+ * gets into a state 0xb and if phy_restart happens in that
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+ * state, BB would go hang. If RXSM is in 0xb state after
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+ * first bb panic, ensure to disable the phy_restart.
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+ */
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+ if (!((MS(ah->bb_watchdog_last_status,
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+ AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) ||
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+ ah->bb_hang_rx_ofdm))
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+ return;
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+
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+ ah->bb_hang_rx_ofdm = true;
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+ val = REG_READ(ah, AR_PHY_RESTART);
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+ val &= ~AR_PHY_RESTART_ENA;
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+
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+ REG_WRITE(ah, AR_PHY_RESTART, val);
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+}
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+EXPORT_SYMBOL(ar9003_hw_disable_phy_restart);
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1555,9 +1555,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st
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if (ah->btcoex_hw.enabled)
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ath9k_hw_btcoex_enable(ah);
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- if (AR_SREV_9300_20_OR_LATER(ah))
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+ if (AR_SREV_9300_20_OR_LATER(ah)) {
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ar9003_hw_bb_watchdog_config(ah);
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+ ar9003_hw_disable_phy_restart(ah);
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+ }
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+
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ath9k_hw_apply_gpio_override(ah);
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return 0;
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--- a/drivers/net/wireless/ath/ath9k/hw.h
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+++ b/drivers/net/wireless/ath/ath9k/hw.h
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@@ -842,6 +842,7 @@ struct ath_hw {
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u32 bb_watchdog_last_status;
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u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
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+ u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */
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unsigned int paprd_target_power;
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unsigned int paprd_training_power;
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@@ -990,6 +991,7 @@ void ar9002_hw_enable_wep_aggregation(st
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void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
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void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
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void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
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+void ar9003_hw_disable_phy_restart(struct ath_hw *ah);
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void ar9003_paprd_enable(struct ath_hw *ah, bool val);
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void ar9003_paprd_populate_single_table(struct ath_hw *ah,
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struct ath9k_hw_cal_data *caldata,
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -670,7 +670,8 @@ void ath9k_tasklet(unsigned long data)
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u32 status = sc->intrstatus;
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u32 rxmask;
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- if (status & ATH9K_INT_FATAL) {
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+ if ((status & ATH9K_INT_FATAL) ||
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+ (status & ATH9K_INT_BB_WATCHDOG)) {
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ath_reset(sc, true);
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return;
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}
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@@ -737,6 +738,7 @@ irqreturn_t ath_isr(int irq, void *dev)
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{
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#define SCHED_INTR ( \
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ATH9K_INT_FATAL | \
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+ ATH9K_INT_BB_WATCHDOG | \
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ATH9K_INT_RXORN | \
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ATH9K_INT_RXEOL | \
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ATH9K_INT_RX | \
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