From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 24 Feb 2012 16:12:24 +0000 (+0100)
Subject: Bluetooth: Allow HCI UART reset parameter via flags ioctl
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a55e1f388767116836d32457a50eda7da3e925e5;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Bluetooth: Allow HCI UART reset parameter via flags ioctl

The flags ioctl for HCI UART drivers already allows setting of certain
Bluetooth core quirks. The reset parameter fits right in here. So allow
this as well.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
---

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index c2d637adb3ca..cdc3594f9901 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -48,8 +48,6 @@
 
 #define VERSION "2.2"
 
-static bool reset = 0;
-
 static struct hci_uart_proto *hup[HCI_UART_MAX_PROTO];
 
 int hci_uart_register_proto(struct hci_uart_proto *p)
@@ -392,12 +390,12 @@ static int hci_uart_register_dev(struct hci_uart *hu)
 	hdev->send  = hci_uart_send_frame;
 	hdev->parent = hu->tty->dev;
 
-	if (!reset)
-		set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
-
 	if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags))
 		set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
 
+	if (!test_bit(HCI_UART_RESET_ON_INIT, &hu->hdev_flags))
+		set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
+
 	if (hci_register_dev(hdev) < 0) {
 		BT_ERR("Can't register HCI device");
 		hci_free_dev(hdev);
@@ -584,9 +582,6 @@ static void __exit hci_uart_exit(void)
 module_init(hci_uart_init);
 module_exit(hci_uart_exit);
 
-module_param(reset, bool, 0644);
-MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
-
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth HCI UART driver ver " VERSION);
 MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 99fb35239d1f..54c8983b183e 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -45,6 +45,7 @@
 #define HCI_UART_ATH3K	5
 
 #define HCI_UART_RAW_DEVICE	0
+#define HCI_UART_RESET_ON_INIT	1
 
 struct hci_uart;