From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Handle MCI_STATE_INIT_GPM_OFFSET separately and do not
overload ar9003_mci_get_next_gpm_offset() with a special
case.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_mci.c | 27 +++++++++++++--------------
drivers/net/wireless/ath/ath9k/ar9003_mci.h | 2 +-
drivers/net/wireless/ath/ath9k/mci.c | 5 ++---
3 files changed, 16 insertions(+), 18 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 505dfe3..133b867 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -593,7 +593,7 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
if (!time_out)
break;
- offset = ar9003_mci_get_next_gpm_offset(ah, false, &more_data);
+ offset = ar9003_mci_get_next_gpm_offset(ah, &more_data);
if (offset == MCI_GPM_INVALID)
continue;
@@ -657,7 +657,7 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
time_out = 0;
while (more_data == MCI_GPM_MORE) {
- offset = ar9003_mci_get_next_gpm_offset(ah, false, &more_data);
+ offset = ar9003_mci_get_next_gpm_offset(ah, &more_data);
if (offset == MCI_GPM_INVALID)
break;
@@ -986,7 +986,8 @@ int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
regval &= ~SM(1, AR_MCI_COMMAND2_RESET_RX);
REG_WRITE(ah, AR_MCI_COMMAND2, regval);
- ar9003_mci_get_next_gpm_offset(ah, true, NULL);
+ /* Init GPM offset after MCI Reset Rx */
+ ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET);
REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE,
(SM(0xe801, AR_MCI_MSG_ATTRIBUTES_TABLE_INVALID_HDR) |
@@ -1280,6 +1281,14 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
}
value &= AR_BTCOEX_CTRL_MCI_MODE_EN;
break;
+ case MCI_STATE_INIT_GPM_OFFSET:
+ value = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
+
+ if (value < mci->gpm_len)
+ mci->gpm_idx = value;
+ else
+ mci->gpm_idx = 0;
+ break;
case MCI_STATE_LAST_SCHD_MSG_OFFSET:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_LAST_SCHD_MSG_INDEX);
@@ -1426,21 +1435,11 @@ void ar9003_mci_check_gpm_offset(struct ath_hw *ah)
mci->gpm_idx = 0;
}
-u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, bool first, u32 *more)
+u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, u32 *more)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 offset, more_gpm = 0, gpm_ptr;
- if (first) {
- gpm_ptr = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
-
- if (gpm_ptr >= mci->gpm_len)
- gpm_ptr = 0;
-
- mci->gpm_idx = gpm_ptr;
- return gpm_ptr;
- }
-
/*
* This could be useful to avoid new GPM message interrupt which
* may lead to spurious interrupt after power sleep, or multiple
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
index 174ebea..e288611 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
@@ -312,7 +312,7 @@ int ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
void ar9003_mci_cleanup(struct ath_hw *ah);
void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
u32 *rx_msg_intr);
-u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, bool first, u32 *more);
+u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, u32 *more);
void ar9003_mci_set_bt_version(struct ath_hw *ah, u8 major, u8 minor);
void ar9003_mci_send_wlan_channels(struct ath_hw *ah);
/*
diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c
index 3f7a11e..66596b9 100644
--- a/drivers/net/wireless/ath/ath9k/mci.c
+++ b/drivers/net/wireless/ath/ath9k/mci.c
@@ -495,7 +495,7 @@ void ath_mci_intr(struct ath_softc *sc)
ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg);
if (ar9003_mci_state(ah, MCI_STATE_ENABLE) == 0) {
- ar9003_mci_get_next_gpm_offset(ah, true, NULL);
+ ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET);
return;
}
@@ -559,8 +559,7 @@ void ath_mci_intr(struct ath_softc *sc)
return;
pgpm = mci->gpm_buf.bf_addr;
- offset = ar9003_mci_get_next_gpm_offset(ah, false,
- &more_data);
+ offset = ar9003_mci_get_next_gpm_offset(ah, &more_data);
if (offset == MCI_GPM_INVALID)
break;
--
2.3.0
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
