2012-02-22 07:11:05

by Sujith Manoharan

[permalink] [raw]
Subject: [PATCH 10/26] ath9k_hw: Use a helper function to get MCI ISR

Signed-off-by: Sujith Manoharan <[email protected]>
---
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 2cd607f..1a01788e 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 c8261d4..a81c4e7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1230,6 +1230,7 @@ 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