[PATCH v8 4/5] usb: serial: add dbc debug device support to usb_debug

From: Lu Baolu
Date: Tue Mar 21 2017 - 04:02:35 EST


This patch adds dbc debug device support to the usb_debug driver.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Acked-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/usb_debug.c | 28 +++++++++++++++++++++++++---
1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index ca2fa5b..92f7e5c 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -32,7 +32,18 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0525, 0x127a) },
{ },
};
-MODULE_DEVICE_TABLE(usb, id_table);
+
+static const struct usb_device_id dbc_id_table[] = {
+ { USB_DEVICE(0x1d6b, 0x0004) },
+ { },
+};
+
+static const struct usb_device_id id_table_combined[] = {
+ { USB_DEVICE(0x0525, 0x127a) },
+ { USB_DEVICE(0x1d6b, 0x0004) },
+ { },
+};
+MODULE_DEVICE_TABLE(usb, id_table_combined);

/* This HW really does not support a serial break, so one will be
* emulated when ever the break state is set to true.
@@ -71,9 +82,20 @@ static struct usb_serial_driver debug_device = {
.process_read_urb = usb_debug_process_read_urb,
};

+static struct usb_serial_driver dbc_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "xhci_dbc",
+ },
+ .id_table = dbc_id_table,
+ .num_ports = 1,
+ .break_ctl = usb_debug_break_ctl,
+ .process_read_urb = usb_debug_process_read_urb,
+};
+
static struct usb_serial_driver * const serial_drivers[] = {
- &debug_device, NULL
+ &debug_device, &dbc_device, NULL
};

-module_usb_serial_driver(serial_drivers, id_table);
+module_usb_serial_driver(serial_drivers, id_table_combined);
MODULE_LICENSE("GPL");
--
2.1.4