diff options
Diffstat (limited to 'package/mac80211')
| -rw-r--r-- | package/mac80211/patches/570-ath9k_mci_static.patch | 37 | ||||
| -rw-r--r-- | package/mac80211/patches/571-ath9k_btcoex_optional.patch | 546 |
2 files changed, 583 insertions, 0 deletions
diff --git a/package/mac80211/patches/570-ath9k_mci_static.patch b/package/mac80211/patches/570-ath9k_mci_static.patch new file mode 100644 index 000000000..9a337c0d6 --- /dev/null +++ b/package/mac80211/patches/570-ath9k_mci_static.patch @@ -0,0 +1,37 @@ +--- a/drivers/net/wireless/ath/ath9k/mci.c ++++ b/drivers/net/wireless/ath/ath9k/mci.c +@@ -234,8 +234,8 @@ static void ath_mci_cal_msg(struct ath_s + } + } + +-void ath_mci_process_profile(struct ath_softc *sc, +- struct ath_mci_profile_info *info) ++static void ath_mci_process_profile(struct ath_softc *sc, ++ struct ath_mci_profile_info *info) + { + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_btcoex *btcoex = &sc->btcoex; +@@ -261,8 +261,8 @@ void ath_mci_process_profile(struct ath_ + ath_mci_update_scheme(sc); + } + +-void ath_mci_process_status(struct ath_softc *sc, +- struct ath_mci_profile_status *status) ++static void ath_mci_process_status(struct ath_softc *sc, ++ struct ath_mci_profile_status *status) + { + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_btcoex *btcoex = &sc->btcoex; +--- a/drivers/net/wireless/ath/ath9k/mci.h ++++ b/drivers/net/wireless/ath/ath9k/mci.h +@@ -128,10 +128,6 @@ struct ath_mci_coex { + }; + + void ath_mci_flush_profile(struct ath_mci_profile *mci); +-void ath_mci_process_profile(struct ath_softc *sc, +- struct ath_mci_profile_info *info); +-void ath_mci_process_status(struct ath_softc *sc, +- struct ath_mci_profile_status *status); + int ath_mci_setup(struct ath_softc *sc); + void ath_mci_cleanup(struct ath_softc *sc); + void ath_mci_intr(struct ath_softc *sc); diff --git a/package/mac80211/patches/571-ath9k_btcoex_optional.patch b/package/mac80211/patches/571-ath9k_btcoex_optional.patch new file mode 100644 index 000000000..53448880a --- /dev/null +++ b/package/mac80211/patches/571-ath9k_btcoex_optional.patch @@ -0,0 +1,546 @@ +--- a/drivers/net/wireless/ath/ath9k/Kconfig ++++ b/drivers/net/wireless/ath/ath9k/Kconfig +@@ -59,6 +59,14 @@ config ATH9K_RATE_CONTROL + Say Y, if you want to use the ath9k specific rate control + module instead of minstrel_ht. + ++config ATH9K_BTCOEX_SUPPORT ++ bool "Atheros ath9k bluetooth coexistence support" ++ depends on ATH9K ++ default y ++ ---help--- ++ Say Y, if you want to use the ath9k radios together with ++ Bluetooth modules in the same system. ++ + config ATH9K_HTC + tristate "Atheros HTC based wireless cards support" + depends on USB && MAC80211 +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -210,7 +210,11 @@ enum ath9k_hw_caps { + ATH9K_HW_CAP_5GHZ = BIT(14), + ATH9K_HW_CAP_APM = BIT(15), + ATH9K_HW_CAP_RTT = BIT(16), ++#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT + ATH9K_HW_CAP_MCI = BIT(17), ++#else ++ ATH9K_HW_CAP_MCI = 0, ++#endif + }; + + struct ath9k_hw_capabilities { +--- a/drivers/net/wireless/ath/ath9k/btcoex.h ++++ b/drivers/net/wireless/ath/ath9k/btcoex.h +@@ -98,6 +98,16 @@ struct ath_btcoex_hw { + u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS]; + }; + ++#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT ++static inline enum ath_btcoex_scheme ++ath9k_hw_get_btcoex_scheme(struct ath_hw *ah) ++{ ++ return ah->btcoex_hw.scheme; ++} ++#else ++#define ath9k_hw_get_btcoex_scheme(...) ATH_BTCOEX_CFG_NONE ++#endif ++ + void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); + void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); + void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -411,7 +411,7 @@ static int ath9k_init_btcoex(struct ath_ + struct ath_hw *ah = sc->sc_ah; + int r; + +- switch (sc->sc_ah->btcoex_hw.scheme) { ++ switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) { + case ATH_BTCOEX_CFG_NONE: + break; + case ATH_BTCOEX_CFG_2WIRE: +@@ -866,10 +866,10 @@ static void ath9k_deinit_softc(struct at + kfree(sc->sbands[IEEE80211_BAND_5GHZ].channels); + + if ((sc->btcoex.no_stomp_timer) && +- sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) ++ ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) + ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); + +- if (sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_MCI) ++ if (ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_MCI) + ath_mci_cleanup(sc); + + for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) +--- a/drivers/net/wireless/ath/ath9k/pci.c ++++ b/drivers/net/wireless/ath/ath9k/pci.c +@@ -121,7 +121,7 @@ static void ath_pci_aspm_init(struct ath + if (!parent) + return; + +- if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) { ++ if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { + /* Bluetooth coexistance requires disabling ASPM. */ + pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &aspm); + aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); +--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c +@@ -610,7 +610,7 @@ static void ath9k_init_btcoex(struct ath + { + int qnum; + +- switch (priv->ah->btcoex_hw.scheme) { ++ switch (ath9k_hw_get_btcoex_scheme(priv->ah)) { + case ATH_BTCOEX_CFG_NONE: + break; + case ATH_BTCOEX_CFG_3WIRE: +@@ -704,7 +704,8 @@ static int ath9k_init_priv(struct ath9k_ + + if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) { + ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE; +- ath9k_init_btcoex(priv); ++ if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) ++ ath9k_init_btcoex(priv); + } + + return 0; +--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c +@@ -958,7 +958,7 @@ static int ath9k_htc_start(struct ieee80 + mod_timer(&priv->tx.cleanup_timer, + jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL)); + +- if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) { ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) { + ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + ath9k_hw_btcoex_enable(ah); +@@ -1010,7 +1010,8 @@ static void ath9k_htc_stop(struct ieee80 + + mutex_lock(&priv->mutex); + +- if (ah->btcoex_hw.enabled) { ++ if (ah->btcoex_hw.enabled && ++ ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { + ath9k_hw_btcoex_disable(ah); + if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) + ath_htc_cancel_btcoex_work(priv); +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -742,11 +742,11 @@ void ath9k_tasklet(unsigned long data) + ath_tx_tasklet(sc); + } + +- if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) + if (status & ATH9K_INT_GENTIMER) + ath_gen_timer_isr(sc->sc_ah); + +- if (status & ATH9K_INT_MCI) ++ if ((status & ATH9K_INT_MCI) && ATH9K_HW_CAP_MCI) + ath_mci_intr(sc); + + out: +@@ -1083,14 +1083,14 @@ static int ath9k_start(struct ieee80211_ + + spin_unlock_bh(&sc->sc_pcu_lock); + +- if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && ++ if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && + !ah->btcoex_hw.enabled) { + if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) + ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + ath9k_hw_btcoex_enable(ah); + +- if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) + ath9k_btcoex_timer_resume(sc); + } + +@@ -1194,9 +1194,10 @@ static void ath9k_stop(struct ieee80211_ + /* Ensure HW is awake when we try to shut it down. */ + ath9k_ps_wakeup(sc); + +- if (ah->btcoex_hw.enabled) { ++ if (ah->btcoex_hw.enabled && ++ ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { + ath9k_hw_btcoex_disable(ah); +- if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) + ath9k_btcoex_timer_pause(sc); + ath_mci_flush_profile(&sc->btcoex.mci); + } +--- a/drivers/net/wireless/ath/ath9k/gpio.c ++++ b/drivers/net/wireless/ath/ath9k/gpio.c +@@ -253,6 +253,9 @@ int ath_init_btcoex_timer(struct ath_sof + { + struct ath_btcoex *btcoex = &sc->btcoex; + ++ if (ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_NONE) ++ return 0; ++ + btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000; + btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * + btcoex->btcoex_period / 100; +@@ -286,6 +289,9 @@ void ath9k_btcoex_timer_resume(struct at + ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX, + "Starting btcoex timers\n"); + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + /* make sure duty cycle timer is also stopped when resuming */ + if (btcoex->hw_timer_enabled) + ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); +@@ -306,6 +312,9 @@ void ath9k_btcoex_timer_pause(struct ath + struct ath_btcoex *btcoex = &sc->btcoex; + struct ath_hw *ah = sc->sc_ah; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + del_timer_sync(&btcoex->period_timer); + + if (btcoex->hw_timer_enabled) +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1929,7 +1929,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st + #endif + } + +- if (ah->btcoex_hw.enabled) ++ if (ah->btcoex_hw.enabled && ++ ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) + ath9k_hw_btcoex_enable(ah); + + if (mci && mci_hw->ready) { +--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +@@ -116,6 +116,9 @@ void ath_htc_init_btcoex_work(struct ath + { + struct ath_btcoex *btcoex = &priv->btcoex; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; + btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * + btcoex->btcoex_period / 100; +@@ -134,6 +137,9 @@ void ath_htc_resume_btcoex_work(struct a + struct ath_btcoex *btcoex = &priv->btcoex; + struct ath_hw *ah = priv->ah; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX, "Starting btcoex work\n"); + + btcoex->bt_priority_cnt = 0; +@@ -148,6 +154,9 @@ void ath_htc_resume_btcoex_work(struct a + */ + void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv) + { ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + cancel_delayed_work_sync(&priv->coex_period_work); + cancel_delayed_work_sync(&priv->duty_cycle_work); + } +--- a/drivers/net/wireless/ath/ath9k/btcoex.c ++++ b/drivers/net/wireless/ath/ath9k/btcoex.c +@@ -68,6 +68,9 @@ void ath9k_hw_init_btcoex_hw(struct ath_ + u32 i, idx; + bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + if (AR_SREV_9300_20_OR_LATER(ah)) + rxclear_polarity = !ath_bt_config.bt_rxclear_polarity; + +@@ -99,6 +102,9 @@ void ath9k_hw_btcoex_init_2wire(struct a + { + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + /* connect bt_active to baseband */ + REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL, + (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF | +@@ -121,6 +127,9 @@ void ath9k_hw_btcoex_init_3wire(struct a + { + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + /* btcoex 3-wire */ + REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, + (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB | +@@ -147,6 +156,9 @@ static void ath9k_hw_btcoex_enable_2wire + { + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + /* Configure the desired GPIO port for TX_FRAME output */ + ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio, + AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); +@@ -158,6 +170,9 @@ void ath9k_hw_btcoex_set_weight(struct a + { + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) | + SM(wlan_weight, AR_BTCOEX_WL_WGHT); + } +@@ -219,9 +234,9 @@ void ath9k_hw_btcoex_enable(struct ath_h + { + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + +- switch (btcoex_hw->scheme) { ++ switch (ath9k_hw_get_btcoex_scheme(ah)) { + case ATH_BTCOEX_CFG_NONE: +- break; ++ return; + case ATH_BTCOEX_CFG_2WIRE: + ath9k_hw_btcoex_enable_2wire(ah); + break; +@@ -246,6 +261,9 @@ void ath9k_hw_btcoex_disable(struct ath_ + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + int i; + ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + btcoex_hw->enabled = false; + if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) { + ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); +@@ -294,6 +312,9 @@ static void ar9003_btcoex_bt_stomp(struc + void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah, + enum ath_stomp_type stomp_type) + { ++ if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) ++ return; ++ + if (AR_SREV_9300_20_OR_LATER(ah)) { + ar9003_btcoex_bt_stomp(ah, stomp_type); + return; +--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c +@@ -85,6 +85,9 @@ void ar9003_mci_remote_reset(struct ath_ + { + u32 payload[4] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffff00}; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0, payload, 16, + wait_done, false); + udelay(5); +@@ -94,6 +97,9 @@ void ar9003_mci_send_lna_transfer(struct + { + u32 payload = 0x00000000; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ar9003_mci_send_message(ah, MCI_LNA_TRANS, 0, &payload, 1, + wait_done, false); + } +@@ -107,6 +113,9 @@ static void ar9003_mci_send_req_wake(str + + void ar9003_mci_send_sys_waking(struct ath_hw *ah, bool wait_done) + { ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ar9003_mci_send_message(ah, MCI_SYS_WAKING, MCI_FLAG_DISABLE_TIMESTAMP, + NULL, 0, wait_done, false); + } +@@ -221,6 +230,9 @@ void ar9003_mci_send_coex_halt_bt_gpm(st + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + u32 payload[4] = {0, 0, 0, 0}; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ath_dbg(common, ATH_DBG_MCI, "MCI Send Coex %s BT GPM.\n", + (halt) ? "halt" : "unhalt"); + +@@ -381,12 +393,17 @@ static void ar9003_mci_prep_interface(st + + void ar9003_mci_disable_interrupt(struct ath_hw *ah) + { ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + REG_WRITE(ah, AR_MCI_INTERRUPT_EN, 0); + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); + } + + void ar9003_mci_enable_interrupt(struct ath_hw *ah) + { ++ if (!ATH9K_HW_CAP_MCI) ++ return; + + REG_WRITE(ah, AR_MCI_INTERRUPT_EN, AR_MCI_INTERRUPT_DEFAULT); + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, +@@ -397,6 +414,9 @@ bool ar9003_mci_check_int(struct ath_hw + { + u32 intr; + ++ if (!ATH9K_HW_CAP_MCI) ++ return false; ++ + intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW); + return ((intr & ints) == ints); + } +@@ -405,6 +425,10 @@ void ar9003_mci_get_interrupt(struct ath + u32 *rx_msg_intr) + { + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; ++ ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + *raw_intr = mci->raw_intr; + *rx_msg_intr = mci->rx_msg_intr; + +@@ -418,6 +442,9 @@ void ar9003_mci_2g5g_changed(struct ath_ + { + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + if (!mci->update_2g5g && + (mci->is_2g != is_2g)) + mci->update_2g5g = true; +@@ -531,6 +558,9 @@ void ar9003_mci_reset(struct ath_hw *ah, + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + u32 regval, thresh; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ath_dbg(common, ATH_DBG_MCI, "MCI full_sleep = %d, is_2g = %d\n", + is_full_sleep, is_2g); + +@@ -661,6 +691,9 @@ void ar9003_mci_mute_bt(struct ath_hw *a + { + struct ath_common *common = ath9k_hw_common(ah); + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + /* disable all MCI messages */ + REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000); + REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff); +@@ -693,6 +726,9 @@ void ar9003_mci_sync_bt_state(struct ath + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + u32 cur_bt_state; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL); + + if (mci->bt_state != cur_bt_state) { +@@ -857,6 +893,9 @@ void ar9003_mci_2g5g_switch(struct ath_h + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + if (mci->update_2g5g) { + if (mci->is_2g) { + +@@ -908,6 +947,9 @@ bool ar9003_mci_send_message(struct ath_ + u32 saved_mci_int_en; + int i; + ++ if (!ATH9K_HW_CAP_MCI) ++ return false; ++ + saved_mci_int_en = REG_READ(ah, AR_MCI_INTERRUPT_EN); + regval = REG_READ(ah, AR_BTCOEX_CTRL); + +@@ -973,6 +1015,9 @@ void ar9003_mci_setup(struct ath_hw *ah, + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + void *sched_buf = (void *)((char *) gpm_buf + (sched_addr - gpm_addr)); + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + mci->gpm_addr = gpm_addr; + mci->gpm_buf = gpm_buf; + mci->gpm_len = len; +@@ -987,6 +1032,9 @@ void ar9003_mci_cleanup(struct ath_hw *a + { + struct ath_common *common = ath9k_hw_common(ah); + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + /* Turn off MCI and Jupiter mode. */ + REG_WRITE(ah, AR_BTCOEX_CTRL, 0x00); + ath_dbg(common, ATH_DBG_MCI, "MCI ar9003_mci_cleanup\n"); +@@ -1056,6 +1104,9 @@ u32 ar9003_mci_wait_for_gpm(struct ath_h + u8 recv_type = 0, recv_opcode = 0; + bool b_is_bt_cal_done = (gpm_type == MCI_GPM_BT_CAL_DONE); + ++ if (!ATH9K_HW_CAP_MCI) ++ return 0; ++ + more_data = time_out ? MCI_GPM_NOMORE : MCI_GPM_MORE; + + while (time_out > 0) { +@@ -1188,6 +1239,9 @@ u32 ar9003_mci_state(struct ath_hw *ah, + u32 value = 0, more_gpm = 0, gpm_ptr; + u8 query_type; + ++ if (!ATH9K_HW_CAP_MCI) ++ return 0; ++ + switch (state_type) { + case MCI_STATE_ENABLE: + if (mci->ready) { +--- a/drivers/net/wireless/ath/ath9k/mci.c ++++ b/drivers/net/wireless/ath/ath9k/mci.c +@@ -425,6 +425,9 @@ int ath_mci_setup(struct ath_softc *sc) + struct ath_mci_coex *mci = &sc->mci_coex; + int error = 0; + ++ if (!ATH9K_HW_CAP_MCI) ++ return 0; ++ + mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE; + + if (ath_mci_buf_alloc(sc, &mci->sched_buf)) { +@@ -458,6 +461,9 @@ void ath_mci_cleanup(struct ath_softc *s + struct ath_hw *ah = sc->sc_ah; + struct ath_mci_coex *mci = &sc->mci_coex; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + /* + * both schedule and gpm buffers will be released + */ +@@ -476,6 +482,9 @@ void ath_mci_intr(struct ath_softc *sc) + u32 more_data = MCI_GPM_MORE; + bool skip_gpm = false; + ++ if (!ATH9K_HW_CAP_MCI) ++ return; ++ + ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg); + + if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) == 0) { |