130 		struct ll_device *lldev = serdev_device_get_drvdata(hu->serdev);  in ll_open()  local
132 		if (!IS_ERR(lldev->ext_clk))  in ll_open()
133 			clk_prepare_enable(lldev->ext_clk);  in ll_open()
165 		struct ll_device *lldev = serdev_device_get_drvdata(hu->serdev);  in ll_close()  local
167 		gpiod_set_value_cansleep(lldev->enable_gpio, 0);  in ll_close()
169 		clk_disable_unprepare(lldev->ext_clk);  in ll_close()
486 static int send_command_from_firmware(struct ll_device *lldev,  in send_command_from_firmware()  argument
495 		bt_dev_warn(lldev->hu.hdev,  in send_command_from_firmware()
500 		bt_dev_dbg(lldev->hu.hdev, "command type %d", cmd->prefix);  in send_command_from_firmware()
502 	skb = __hci_cmd_sync(lldev->hu.hdev, cmd->opcode, cmd->plen,  in send_command_from_firmware()
505 		bt_dev_err(lldev->hu.hdev, "send command failed");  in send_command_from_firmware()
517 static int download_firmware(struct ll_device *lldev)  in download_firmware()  argument
526 	version = read_local_version(lldev->hu.hdev);  in download_firmware()
540 	err = request_firmware(&fw, bts_scr_name, &lldev->serdev->dev);  in download_firmware()
542 		bt_dev_err(lldev->hu.hdev, "request_firmware failed(errno %d) for %s",  in download_firmware()
555 		bt_dev_dbg(lldev->hu.hdev, " action size %d, type %d ",  in download_firmware()
563 			bt_dev_dbg(lldev->hu.hdev, "S");  in download_firmware()
565 			err = send_command_from_firmware(lldev, cmd);  in download_firmware()
571 			bt_dev_dbg(lldev->hu.hdev, "W");  in download_firmware()
574 			bt_dev_info(lldev->hu.hdev, "sleep command in scr");  in download_firmware()
611 	struct ll_device *lldev;  in ll_setup()  local
618 	lldev = serdev_device_get_drvdata(serdev);  in ll_setup()
626 		gpiod_set_value_cansleep(lldev->enable_gpio, 0);  in ll_setup()
628 		gpiod_set_value_cansleep(lldev->enable_gpio, 1);  in ll_setup()
635 		err = download_firmware(lldev);  in ll_setup()
647 	if (!bacmp(&lldev->bdaddr, BDADDR_NONE)) {  in ll_setup()
652 	} else if (bacmp(&lldev->bdaddr, BDADDR_ANY)) {  in ll_setup()
653 		err = ll_set_bdaddr(hu->hdev, &lldev->bdaddr);  in ll_setup()
687 	struct ll_device *lldev;  in hci_ti_probe()  local
691 	lldev = devm_kzalloc(&serdev->dev, sizeof(struct ll_device), GFP_KERNEL);  in hci_ti_probe()
692 	if (!lldev)  in hci_ti_probe()
694 	hu = &lldev->hu;  in hci_ti_probe()
696 	serdev_device_set_drvdata(serdev, lldev);  in hci_ti_probe()
697 	lldev->serdev = hu->serdev = serdev;  in hci_ti_probe()
699 	lldev->enable_gpio = devm_gpiod_get_optional(&serdev->dev,  in hci_ti_probe()
702 	if (IS_ERR(lldev->enable_gpio))  in hci_ti_probe()
703 		return PTR_ERR(lldev->enable_gpio);  in hci_ti_probe()
705 	lldev->ext_clk = devm_clk_get(&serdev->dev, "ext_clock");  in hci_ti_probe()
706 	if (IS_ERR(lldev->ext_clk) && PTR_ERR(lldev->ext_clk) != -ENOENT)  in hci_ti_probe()
707 		return PTR_ERR(lldev->ext_clk);  in hci_ti_probe()
732 			bacpy(&lldev->bdaddr, BDADDR_NONE);  in hci_ti_probe()
754 		baswap(&lldev->bdaddr, bdaddr);  in hci_ti_probe()
763 	struct ll_device *lldev = serdev_device_get_drvdata(serdev);  in hci_ti_remove()  local
765 	hci_uart_unregister_device(&lldev->hu);  in hci_ti_remove()