1 files changed, 26 insertions, 19 deletions

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 237aea34b69f..4ea995d610d2 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -174,6 +174,21 @@ static int qca_power_setup(struct hci_uart *hu, bool on);
 static void qca_power_shutdown(struct hci_uart *hu);
 static int qca_power_off(struct hci_dev *hdev);
 
+static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)
+{
+	enum qca_btsoc_type soc_type;
+
+	if (hu->serdev) {
+		struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);
+
+		soc_type = qsd->btsoc_type;
+	} else {
+		soc_type = QCA_ROME;
+	}
+
+	return soc_type;
+}
+
 static void __serial_clock_on(struct tty_struct *tty)
 {
 	/* TODO: Some chipset requires to enable UART clock on client
@@ -963,7 +978,6 @@ 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 };
 
@@ -985,8 +999,6 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
 	skb_queue_tail(&qca->txq, skb);
 	hci_uart_tx_wakeup(hu);
 
-	qcadev = serdev_device_get_drvdata(hu->serdev);
-
 	/* Wait for the baudrate change request to be sent */
 
 	while (!skb_queue_empty(&qca->txq))
@@ -996,7 +1008,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
 
 	/* Give the controller time to process the request */
-	if (qcadev->btsoc_type == QCA_WCN3990)
+	if (qca_soc_type(hu) == QCA_WCN3990)
 		msleep(10);
 	else
 		msleep(300);
@@ -1072,10 +1084,7 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
 
 static int qca_check_speeds(struct hci_uart *hu)
 {
-	struct qca_serdev *qcadev;
-
-	qcadev = serdev_device_get_drvdata(hu->serdev);
-	if (qcadev->btsoc_type == QCA_WCN3990) {
+	if (qca_soc_type(hu) == QCA_WCN3990) {
 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
 		    !qca_get_speed(hu, QCA_OPER_SPEED))
 			return -EINVAL;
@@ -1091,7 +1100,6 @@ static int qca_check_speeds(struct hci_uart *hu)
 static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 {
 	unsigned int speed, qca_baudrate;
-	struct qca_serdev *qcadev;
 	int ret = 0;
 
 	if (speed_type == QCA_INIT_SPEED) {
@@ -1099,6 +1107,8 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		if (speed)
 			host_set_baudrate(hu, speed);
 	} else {
+		enum qca_btsoc_type soc_type = qca_soc_type(hu);
+
 		speed = qca_get_speed(hu, QCA_OPER_SPEED);
 		if (!speed)
 			return 0;
@@ -1106,8 +1116,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		/* Disable flow control for wcn3990 to deassert RTS while
 		 * changing the baudrate of chip and host.
 		 */
-		qcadev = serdev_device_get_drvdata(hu->serdev);
-		if (qcadev->btsoc_type == QCA_WCN3990)
+		if (soc_type == QCA_WCN3990)
 			hci_uart_set_flow_control(hu, true);
 
 		qca_baudrate = qca_get_baudrate_value(speed);
@@ -1119,7 +1128,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		host_set_baudrate(hu, speed);
 
 error:
-		if (qcadev->btsoc_type == QCA_WCN3990)
+		if (soc_type == QCA_WCN3990)
 			hci_uart_set_flow_control(hu, false);
 	}
 
@@ -1181,12 +1190,10 @@ static int qca_setup(struct hci_uart *hu)
 	struct hci_dev *hdev = hu->hdev;
 	struct qca_data *qca = hu->priv;
 	unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200;
-	struct qca_serdev *qcadev;
+	enum qca_btsoc_type soc_type = qca_soc_type(hu);
 	int ret;
 	int soc_ver = 0;
 
-	qcadev = serdev_device_get_drvdata(hu->serdev);
-
 	ret = qca_check_speeds(hu);
 	if (ret)
 		return ret;
@@ -1194,7 +1201,7 @@ static int qca_setup(struct hci_uart *hu)
 	/* Patch downloading has to be done without IBS mode */
 	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
 
-	if (qcadev->btsoc_type == QCA_WCN3990) {
+	if (soc_type == QCA_WCN3990) {
 		bt_dev_info(hdev, "setting up wcn3990");
 
 		/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
@@ -1225,7 +1232,7 @@ static int qca_setup(struct hci_uart *hu)
 		qca_baudrate = qca_get_baudrate_value(speed);
 	}
 
-	if (qcadev->btsoc_type != QCA_WCN3990) {
+	if (soc_type != QCA_WCN3990) {
 		/* Get QCA version information */
 		ret = qca_read_soc_version(hdev, &soc_ver);
 		if (ret)
@@ -1234,7 +1241,7 @@ static int qca_setup(struct hci_uart *hu)
 
 	bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
 	/* Setup patch / NVM configurations */
-	ret = qca_uart_setup(hdev, qca_baudrate, qcadev->btsoc_type, soc_ver);
+	ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver);
 	if (!ret) {
 		set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
 		qca_debugfs_init(hdev);
@@ -1250,7 +1257,7 @@ static int qca_setup(struct hci_uart *hu)
 	}
 
 	/* Setup bdaddr */
-	if (qcadev->btsoc_type == QCA_WCN3990)
+	if (soc_type == QCA_WCN3990)
 		hu->hdev->set_bdaddr = qca_set_bdaddr;
 	else
 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;