diff options
Diffstat (limited to 'drivers/bluetooth/btmtksdio.c')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 93c47796ecfd..d9cf0c492e29 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -98,6 +98,7 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define MTK_SDIO_BLOCK_SIZE 256 #define BTMTKSDIO_TX_WAIT_VND_EVT 1 +#define BTMTKSDIO_HW_TX_READY 2 struct mtkbtsdio_hdr { __le16 len; @@ -113,7 +114,6 @@ struct btmtksdio_dev { struct work_struct txrx_work; unsigned long tx_state; struct sk_buff_head txq; - bool hw_tx_ready; struct sk_buff *evt_skb; @@ -254,7 +254,7 @@ static int btmtksdio_tx_packet(struct btmtksdio_dev *bdev, sdio_hdr->reserved = cpu_to_le16(0); sdio_hdr->bt_type = hci_skb_pkt_type(skb); - bdev->hw_tx_ready = false; + clear_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); err = sdio_writesb(bdev->func, MTK_REG_CTDR, skb->data, round_up(skb->len, MTK_SDIO_BLOCK_SIZE)); if (err < 0) @@ -484,11 +484,12 @@ static void btmtksdio_txrx_work(struct work_struct *work) bt_dev_dbg(bdev->hdev, "Get fw own back"); if (int_status & TX_EMPTY) - bdev->hw_tx_ready = true; + set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); + else if (unlikely(int_status & TX_FIFO_OVERFLOW)) bt_dev_warn(bdev->hdev, "Tx fifo overflow"); - if (bdev->hw_tx_ready) { + if (test_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state)) { skb = skb_dequeue(&bdev->txq); if (skb) { err = btmtksdio_tx_packet(bdev, skb); @@ -832,7 +833,7 @@ static int btmtksdio_setup(struct hci_dev *hdev) u32 fw_version = 0; calltime = ktime_get(); - bdev->hw_tx_ready = true; + set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); switch (bdev->data->chipid) { case 0x7921: |