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ath9k_hw: Use a helper function to get MCI ISR
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sujith Manoharan authored and John W. Linville committed Feb 27, 2012
1 parent d68475d commit 5a1e273
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Showing 3 changed files with 28 additions and 27 deletions.
29 changes: 2 additions & 27 deletions drivers/net/wireless/ath/ath9k/ar9003_mac.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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) {
Expand Down
25 changes: 25 additions & 0 deletions drivers/net/wireless/ath/ath9k/ar9003_mci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down
1 change: 1 addition & 0 deletions drivers/net/wireless/ath/ath9k/hw.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down

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