Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:51577 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753795Ab2BUJXN (ORCPT ); Tue, 21 Feb 2012 04:23:13 -0500 From: Sujith Manoharan MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <20291.25205.954138.786228@gargle.gargle.HOWL> (sfid-20120221_102319_842300_75E6082C) Date: Tue, 21 Feb 2012 14:53:01 +0530 To: CC: Subject: [RFC/WIP 10/22] ath9k_hw: Use a helper function to get MCI ISR Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Sujith Manoharan --- drivers/net/wireless/ath/ath9k/ar9003_mac.c | 29 +------------------------- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 25 +++++++++++++++++++++++ drivers/net/wireless/ath/ath9k/hw.h | 1 + 3 files changed, 28 insertions(+), 27 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index 39cb482..575f36a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -180,7 +180,6 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) u32 mask2 = 0; struct ath9k_hw_capabilities *pCap = &ah->caps; struct ath_common *common = ath9k_hw_common(ah); - struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 sync_cause = 0, async_cause; async_cause = REG_READ(ah, AR_INTR_ASYNC_CAUSE); @@ -302,32 +301,8 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) ar9003_hw_bb_watchdog_read(ah); } - if (async_cause & AR_INTR_ASYNC_MASK_MCI) { - u32 raw_intr, rx_msg_intr; - - rx_msg_intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW); - raw_intr = REG_READ(ah, AR_MCI_INTERRUPT_RAW); - - if ((raw_intr == 0xdeadbeef) || (rx_msg_intr == 0xdeadbeef)) - ath_dbg(common, MCI, - "MCI gets 0xdeadbeef during MCI int processing new raw_intr=0x%08x, new rx_msg_raw=0x%08x, raw_intr=0x%08x, rx_msg_raw=0x%08x\n", - raw_intr, rx_msg_intr, mci->raw_intr, - mci->rx_msg_intr); - else { - mci->rx_msg_intr |= rx_msg_intr; - mci->raw_intr |= raw_intr; - *masked |= ATH9K_INT_MCI; - - if (rx_msg_intr & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO) - mci->cont_status = - REG_READ(ah, AR_MCI_CONT_STATUS); - - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, rx_msg_intr); - REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, raw_intr); - ath_dbg(common, MCI, "AR_INTR_SYNC_MCI\n"); - - } - } + if (async_cause & AR_INTR_ASYNC_MASK_MCI) + ar9003_mci_get_isr(ah, masked); if (sync_cause) { if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index f910bae..118e774 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -412,6 +412,31 @@ void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, } EXPORT_SYMBOL(ar9003_mci_get_interrupt); +void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked) +{ + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + u32 raw_intr, rx_msg_intr; + + rx_msg_intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW); + raw_intr = REG_READ(ah, AR_MCI_INTERRUPT_RAW); + + if ((raw_intr == 0xdeadbeef) || (rx_msg_intr == 0xdeadbeef)) { + ath_dbg(common, MCI, + "MCI gets 0xdeadbeef during int processing\n"); + } else { + mci->rx_msg_intr |= rx_msg_intr; + mci->raw_intr |= raw_intr; + *masked |= ATH9K_INT_MCI; + + if (rx_msg_intr & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO) + mci->cont_status = REG_READ(ah, AR_MCI_CONT_STATUS); + + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, rx_msg_intr); + REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, raw_intr); + } +} + void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g) { struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 6a29004..ebc32d0 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -1231,6 +1231,7 @@ void ar9003_mci_send_lna_transfer(struct ath_hw *ah, bool wait_done); void ar9003_mci_sync_bt_state(struct ath_hw *ah); void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, u32 *rx_msg_intr); +void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked); #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT static inline enum ath_btcoex_scheme -- 1.7.9.1