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-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c5
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/mci.c70
-rw-r--r--drivers/net/wireless/ath/ath9k/mci.h3
4 files changed, 23 insertions, 56 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 8439656..2cd607f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -973,7 +973,6 @@ void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
u16 len, u32 sched_addr)
{
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;
@@ -982,7 +981,6 @@ void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
mci->gpm_buf = gpm_buf;
mci->gpm_len = len;
mci->sched_addr = sched_addr;
- mci->sched_buf = sched_buf;
ar9003_mci_reset(ah, true, true, true);
}
@@ -990,14 +988,11 @@ EXPORT_SYMBOL(ar9003_mci_setup);
void ar9003_mci_cleanup(struct ath_hw *ah)
{
- 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, MCI, "MCI ar9003_mci_cleanup\n");
ar9003_mci_disable_interrupt(ah);
}
EXPORT_SYMBOL(ar9003_mci_cleanup);
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 278361c..0cb7ce9 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -67,7 +67,6 @@ struct ath9k_hw_mci {
u32 wlan_cal_done;
u32 config;
u8 *gpm_buf;
- u8 *sched_buf;
bool ready;
bool update_2g5g;
bool is_2g;
diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c
index 05c23ea..85a957a 100644
--- a/drivers/net/wireless/ath/ath9k/mci.c
+++ b/drivers/net/wireless/ath/ath9k/mci.c
@@ -383,84 +383,60 @@ static void ath_mci_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload)
}
}
-static int ath_mci_buf_alloc(struct ath_softc *sc, struct ath_mci_buf *buf)
-{
- int error = 0;
-
- buf->bf_addr = dma_alloc_coherent(sc->dev, buf->bf_len,
- &buf->bf_paddr, GFP_KERNEL);
-
- if (buf->bf_addr == NULL) {
- error = -ENOMEM;
- goto fail;
- }
-
- return 0;
-
-fail:
- memset(buf, 0, sizeof(*buf));
- return error;
-}
-
-static void ath_mci_buf_free(struct ath_softc *sc, struct ath_mci_buf *buf)
-{
- if (buf->bf_addr) {
- dma_free_coherent(sc->dev, buf->bf_len, buf->bf_addr,
- buf->bf_paddr);
- memset(buf, 0, sizeof(*buf));
- }
-}
-
int ath_mci_setup(struct ath_softc *sc)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_mci_coex *mci = &sc->mci_coex;
- int error = 0;
+ struct ath_mci_buf *buf = &mci->sched_buf;
if (!ATH9K_HW_CAP_MCI)
return 0;
- mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE;
+ buf->bf_addr = dma_alloc_coherent(sc->dev,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
+ &buf->bf_paddr, GFP_KERNEL);
- if (ath_mci_buf_alloc(sc, &mci->sched_buf)) {
+ if (buf->bf_addr == NULL) {
ath_dbg(common, FATAL, "MCI buffer alloc failed\n");
- error = -ENOMEM;
- goto fail;
+ return -ENOMEM;
}
- mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE;
+ memset(buf->bf_addr, MCI_GPM_RSVD_PATTERN,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE);
- memset(mci->sched_buf.bf_addr, MCI_GPM_RSVD_PATTERN,
- mci->sched_buf.bf_len);
+ mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE;
mci->gpm_buf.bf_len = ATH_MCI_GPM_BUF_SIZE;
- mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr +
- mci->sched_buf.bf_len;
+ mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr + mci->sched_buf.bf_len;
mci->gpm_buf.bf_paddr = mci->sched_buf.bf_paddr + mci->sched_buf.bf_len;
- /* initialize the buffer */
- memset(mci->gpm_buf.bf_addr, MCI_GPM_RSVD_PATTERN, mci->gpm_buf.bf_len);
-
ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr,
mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4),
mci->sched_buf.bf_paddr);
-fail:
- return error;
+
+ ath_dbg(common, MCI, "MCI Initialized\n");
+
+ return 0;
}
void ath_mci_cleanup(struct ath_softc *sc)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_hw *ah = sc->sc_ah;
struct ath_mci_coex *mci = &sc->mci_coex;
+ struct ath_mci_buf *buf = &mci->sched_buf;
if (!ATH9K_HW_CAP_MCI)
return;
- /*
- * both schedule and gpm buffers will be released
- */
- ath_mci_buf_free(sc, &mci->sched_buf);
+ if (buf->bf_addr)
+ dma_free_coherent(sc->dev,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
+ buf->bf_addr, buf->bf_paddr);
+
ar9003_mci_cleanup(ah);
+
+ ath_dbg(common, MCI, "MCI De-Initialized\n");
}
void ath_mci_intr(struct ath_softc *sc)
diff --git a/drivers/net/wireless/ath/ath9k/mci.h b/drivers/net/wireless/ath/ath9k/mci.h
index 29e3e51..b805bf2 100644
--- a/drivers/net/wireless/ath/ath9k/mci.h
+++ b/drivers/net/wireless/ath/ath9k/mci.h
@@ -113,7 +113,6 @@ struct ath_mci_profile {
u8 num_bdr;
};
-
struct ath_mci_buf {
void *bf_addr; /* virtual addr of desc */
dma_addr_t bf_paddr; /* physical addr of buffer */
@@ -121,10 +120,8 @@ struct ath_mci_buf {
};
struct ath_mci_coex {
- atomic_t mci_cal_flag;
struct ath_mci_buf sched_buf;
struct ath_mci_buf gpm_buf;
- u32 bt_cal_start;
};
void ath_mci_flush_profile(struct ath_mci_profile *mci);
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