Only assign hdev->wakeup if the serial port supports wakeup. Otherwise it will fall back to the hci_uart_wakeup or the behavior that can be overridden before calling the hci_uart_register_device(). Signed-off-by: Zhengping Jiang <jiangzp@xxxxxxxxxx> --- Changes in v1: - Check serial port support before assigning wakeup callback drivers/bluetooth/hci_qca.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 8df11016fd51..dacb6f5efd29 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1765,7 +1765,8 @@ static int qca_setup(struct hci_uart *hu) qca_debugfs_init(hdev); hu->hdev->hw_error = qca_hw_error; hu->hdev->cmd_timeout = qca_cmd_timeout; - hu->hdev->wakeup = qca_wakeup; + if (device_can_wakeup(hu->serdev->ctrl->dev.parent)) + hu->hdev->wakeup = qca_wakeup; } else if (ret == -ENOENT) { /* No patch/nvm-config found, run with original fw/config */ set_bit(QCA_ROM_FW, &qca->flags); -- 2.38.0.413.g74048e4d9e-goog