Bluetooth: btmtksdio: drop the unnecessary variable created

Use the existent variable to drop the unnecessary variable created.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index 93c47796ecfd82f0aeaa14192d967e7528f50ae0..d9cf0c492e292e27e2a9e2cf8919e28f8bf2e50d 100644 (file)
--- 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: