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-rw-r--r--drivers/bluetooth/hci_qca.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 82f6cec4f71e..237aea34b69f 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -59,8 +59,7 @@
#define IBS_WAKE_RETRANS_TIMEOUT_MS 100
#define IBS_TX_IDLE_TIMEOUT_MS 2000
-#define BAUDRATE_SETTLE_TIMEOUT_MS 300
-#define POWER_PULSE_TRANS_TIMEOUT_MS 100
+#define CMD_TRANS_TIMEOUT_MS 100
/* susclk rate */
#define SUSCLK_RATE_32KHZ 32768
@@ -964,6 +963,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
{
struct hci_uart *hu = hci_get_drvdata(hdev);
struct qca_data *qca = hu->priv;
+ struct qca_serdev *qcadev;
struct sk_buff *skb;
u8 cmd[] = { 0x01, 0x48, 0xFC, 0x01, 0x00 };
@@ -985,11 +985,21 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
skb_queue_tail(&qca->txq, skb);
hci_uart_tx_wakeup(hu);
- /* wait 300ms to change new baudrate on controller side
- * controller will come back after they receive this HCI command
- * then host can communicate with new baudrate to controller
- */
- msleep(BAUDRATE_SETTLE_TIMEOUT_MS);
+ qcadev = serdev_device_get_drvdata(hu->serdev);
+
+ /* Wait for the baudrate change request to be sent */
+
+ while (!skb_queue_empty(&qca->txq))
+ usleep_range(100, 200);
+
+ serdev_device_wait_until_sent(hu->serdev,
+ msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
+
+ /* Give the controller time to process the request */
+ if (qcadev->btsoc_type == QCA_WCN3990)
+ msleep(10);
+ else
+ msleep(300);
return 0;
}
@@ -1005,7 +1015,7 @@ static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed)
static int qca_send_power_pulse(struct hci_uart *hu, bool on)
{
int ret;
- int timeout = msecs_to_jiffies(POWER_PULSE_TRANS_TIMEOUT_MS);
+ int timeout = msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS);
u8 cmd = on ? QCA_WCN3990_POWERON_PULSE : QCA_WCN3990_POWEROFF_PULSE;
/* These power pulses are single byte command which are sent