Release 4.7 drivers/usb/serial/usb_debug.c
/*
* USB Debug cable driver
*
* Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*/
#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#define USB_DEBUG_MAX_PACKET_SIZE 8
#define USB_DEBUG_BRK_SIZE 8
static char USB_DEBUG_BRK[USB_DEBUG_BRK_SIZE] = {
0x00,
0xff,
0x01,
0xfe,
0x00,
0xfe,
0x01,
0xff,
};
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0525, 0x127a) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
/* This HW really does not support a serial break, so one will be
* emulated when ever the break state is set to true.
*/
static void usb_debug_break_ctl(struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
if (!break_state)
return;
usb_serial_generic_write(tty, port, USB_DEBUG_BRK, USB_DEBUG_BRK_SIZE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jason wessel | jason wessel | 40 | 100.00% | 1 | 100.00% |
| Total | 40 | 100.00% | 1 | 100.00% |
static void usb_debug_process_read_urb(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
if (urb->actual_length == USB_DEBUG_BRK_SIZE &&
memcmp(urb->transfer_buffer, USB_DEBUG_BRK,
USB_DEBUG_BRK_SIZE) == 0) {
usb_serial_handle_break(port);
return;
}
usb_serial_generic_process_read_urb(urb);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jason wessel | jason wessel | 52 | 96.30% | 1 | 50.00% |
| johan hovold | johan hovold | 2 | 3.70% | 1 | 50.00% |
| Total | 54 | 100.00% | 2 | 100.00% |
static struct usb_serial_driver debug_device = {
.driver = {
.owner = THIS_MODULE,
.name = "debug",
},
.id_table = id_table,
.num_ports = 1,
.bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE,
.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
};
module_usb_serial_driver(serial_drivers, id_table);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jason wessel | jason wessel | 130 | 52.42% | 2 | 18.18% |
| greg kroah-hartman | greg kroah-hartman | 85 | 34.27% | 3 | 27.27% |
| alan stern | alan stern | 16 | 6.45% | 1 | 9.09% |
| aleksey gorelov | aleksey gorelov | 7 | 2.82% | 1 | 9.09% |
| johan hovold | johan hovold | 6 | 2.42% | 2 | 18.18% |
| tejun heo | tejun heo | 3 | 1.21% | 1 | 9.09% |
| marton nemeth | marton nemeth | 1 | 0.40% | 1 | 9.09% |
| Total | 248 | 100.00% | 11 | 100.00% |
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