Release 4.7 drivers/usb/serial/kobil_sct.c

/*
 *  KOBIL USB Smart Card Terminal Driver
 *
 *  Copyright (C) 2002  KOBIL Systems GmbH
 *  Author: Thomas Wahrenbruch
 *
 *  Contact: linuxusb@kobil.de
 *
 *  This program is largely derived from work by the linux-usb group
 *  and associated source files.  Please see the usb/serial files for
 *  individual credits and copyrights.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and
 *  patience.
 *
 * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
 * (Adapter K), B1 Professional and KAAN Professional (Adapter B)
 */


#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/ioctl.h>
#include "kobil_sct.h"


#define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"

#define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"


#define KOBIL_VENDOR_ID			0x0D46

#define KOBIL_ADAPTER_B_PRODUCT_ID	0x2011

#define KOBIL_ADAPTER_K_PRODUCT_ID	0x2012

#define KOBIL_USBTWIN_PRODUCT_ID	0x0078

#define KOBIL_KAAN_SIM_PRODUCT_ID       0x0081


#define KOBIL_TIMEOUT		500

#define KOBIL_BUF_LENGTH	300


/* Function prototypes */
static int kobil_port_probe(struct usb_serial_port *probe);
static int kobil_port_remove(struct usb_serial_port *probe);
static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
static void kobil_close(struct usb_serial_port *port);
static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
			 const unsigned char *buf, int count);
static int  kobil_write_room(struct tty_struct *tty);
static int  kobil_ioctl(struct tty_struct *tty,
			unsigned int cmd, unsigned long arg);
static int  kobil_tiocmget(struct tty_struct *tty);
static int  kobil_tiocmset(struct tty_struct *tty,
			   unsigned int set, unsigned int clear);
static void kobil_read_int_callback(struct urb *urb);
static void kobil_write_int_callback(struct urb *urb);
static void kobil_set_termios(struct tty_struct *tty,
			struct usb_serial_port *port, struct ktermios *old);
static void kobil_init_termios(struct tty_struct *tty);


static const struct usb_device_id id_table[] = {
	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },
	{ }			/* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);


static struct usb_serial_driver kobil_device = {
	.driver = {
		.owner =	THIS_MODULE,
		.name =		"kobil",
        },
	.description =		"KOBIL USB smart card terminal",
	.id_table =		id_table,
	.num_ports =		1,
	.port_probe =		kobil_port_probe,
	.port_remove =		kobil_port_remove,
	.ioctl =		kobil_ioctl,
	.set_termios =		kobil_set_termios,
	.init_termios =		kobil_init_termios,
	.tiocmget =		kobil_tiocmget,
	.tiocmset =		kobil_tiocmset,
	.open =			kobil_open,
	.close =		kobil_close,
	.write =		kobil_write,
	.write_room =		kobil_write_room,
	.read_int_callback =	kobil_read_int_callback,
	.write_int_callback =	kobil_write_int_callback,
};


static struct usb_serial_driver * const serial_drivers[] = {
	&kobil_device, NULL
};


struct kobil_private {
	
unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */
	
int filled;  /* index of the last char in buf */
	
int cur_pos; /* index of the next char to send in buf */
	
__u16 device_type;
};




static int kobil_port_probe(struct usb_serial_port *port)
{
	struct usb_serial *serial = port->serial;
	struct kobil_private *priv;

	priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	priv->filled = 0;
	priv->cur_pos = 0;
	priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct);

	switch (priv->device_type) {
	case KOBIL_ADAPTER_B_PRODUCT_ID:
		dev_dbg(&serial->dev->dev, "KOBIL B1 PRO / KAAN PRO detected\n");
		break;
	case KOBIL_ADAPTER_K_PRODUCT_ID:
		dev_dbg(&serial->dev->dev, "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
		break;
	case KOBIL_USBTWIN_PRODUCT_ID:
		dev_dbg(&serial->dev->dev, "KOBIL USBTWIN detected\n");
		break;
	case KOBIL_KAAN_SIM_PRODUCT_ID:
		dev_dbg(&serial->dev->dev, "KOBIL KAAN SIM detected\n");
		break;
	}
	usb_set_serial_port_data(port, priv);

	return 0;
}


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thomas wahrenbruch
thomas wahrenbruch
94
60.26%
2
33.33%
greg kroah-hartman
greg kroah-hartman
50
32.05%
3
50.00%
johan hovold
johan hovold
12
7.69%
1
16.67%
Total
156
100.00%
6
100.00%



static int kobil_port_remove(struct usb_serial_port *port)
{
	struct kobil_private *priv;

	priv = usb_get_serial_port_data(port);
	kfree(priv);

	return 0;
}

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johan hovold
johan hovold
16
51.61%
1
33.33%
thomas wahrenbruch
thomas wahrenbruch
10
32.26%
1
33.33%
greg kroah-hartman
greg kroah-hartman
5
16.13%
1
33.33%
Total
31
100.00%
3
100.00%



static void kobil_init_termios(struct tty_struct *tty)
{
	/* Default to echo off and other sane device settings */
	tty->termios.c_lflag = 0;
	tty->termios.c_iflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
	tty->termios.c_iflag |= IGNBRK | IGNPAR | IXOFF;
	/* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
	tty->termios.c_oflag &= ~ONLCR;
}

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3
100.00%



static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
{
	struct device *dev = &port->dev;
	int result = 0;
	struct kobil_private *priv;
	unsigned char *transfer_buffer;
	int transfer_buffer_length = 8;

	priv = usb_get_serial_port_data(port);

	/* allocate memory for transfer buffer */
	transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
	if (!transfer_buffer)
		return -ENOMEM;

	/* get hardware version */
	result = usb_control_msg(port->serial->dev,
			  usb_rcvctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_GetMisc,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
			  SUSBCR_MSC_GetHWVersion,
			  0,
			  transfer_buffer,
			  transfer_buffer_length,
			  KOBIL_TIMEOUT
	);
	dev_dbg(dev, "%s - Send get_HW_version URB returns: %i\n", __func__, result);
	dev_dbg(dev, "Hardware version: %i.%i.%i\n", transfer_buffer[0],
		transfer_buffer[1], transfer_buffer[2]);

	/* get firmware version */
	result = usb_control_msg(port->serial->dev,
			  usb_rcvctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_GetMisc,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
			  SUSBCR_MSC_GetFWVersion,
			  0,
			  transfer_buffer,
			  transfer_buffer_length,
			  KOBIL_TIMEOUT
	);
	dev_dbg(dev, "%s - Send get_FW_version URB returns: %i\n", __func__, result);
	dev_dbg(dev, "Firmware version: %i.%i.%i\n", transfer_buffer[0],
		transfer_buffer[1], transfer_buffer[2]);

	if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
			priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
		/* Setting Baudrate, Parity and Stopbits */
		result = usb_control_msg(port->serial->dev,
			  usb_sndctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_SetBaudRateParityAndStopBits,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
			  SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity |
							SUSBCR_SPASB_1StopBit,
			  0,
			  NULL,
			  0,
			  KOBIL_TIMEOUT
		);
		dev_dbg(dev, "%s - Send set_baudrate URB returns: %i\n", __func__, result);

		/* reset all queues */
		result = usb_control_msg(port->serial->dev,
			  usb_sndctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_Misc,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
			  SUSBCR_MSC_ResetAllQueues,
			  0,
			  NULL,
			  0,
			  KOBIL_TIMEOUT
		);
		dev_dbg(dev, "%s - Send reset_all_queues URB returns: %i\n", __func__, result);
	}
	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
	    priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
	    priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
		/* start reading (Adapter B 'cause PNP string) */
		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
		dev_dbg(dev, "%s - Send read URB returns: %i\n", __func__, result);
	}

	kfree(transfer_buffer);
	return 0;
}


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thomas wahrenbruch
thomas wahrenbruch
338
85.14%
2
18.18%
greg kroah-hartman
greg kroah-hartman
40
10.08%
2
18.18%
alan cox
alan cox
11
2.77%
2
18.18%
johan hovold
johan hovold
5
1.26%
2
18.18%
eric sesterhenn
eric sesterhenn
1
0.25%
1
9.09%
masanari iida
masanari iida
1
0.25%
1
9.09%
oliver neukum
oliver neukum
1
0.25%
1
9.09%
Total
397
100.00%
11
100.00%



static void kobil_close(struct usb_serial_port *port)
{
	/* FIXME: Add rts/dtr methods */
	usb_kill_urb(port->interrupt_out_urb);
	usb_kill_urb(port->interrupt_in_urb);
}


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thomas wahrenbruch
22
84.62%
1
25.00%
johan hovold
johan hovold
2
7.69%
1
25.00%
greg kroah-hartman
greg kroah-hartman
1
3.85%
1
25.00%
alan cox
alan cox
1
3.85%
1
25.00%
Total
26
100.00%
4
100.00%



static void kobil_read_int_callback(struct urb *urb)
{
	int result;
	struct usb_serial_port *port = urb->context;
	unsigned char *data = urb->transfer_buffer;
	int status = urb->status;

	if (status) {
		dev_dbg(&port->dev, "%s - Read int status not zero: %d\n", __func__, status);
		return;
	}

	if (urb->actual_length) {
		usb_serial_debug_data(&port->dev, __func__, urb->actual_length,
									data);
		tty_insert_flip_string(&port->port, data, urb->actual_length);
		tty_flip_buffer_push(&port->port);
	}

	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
	dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
}


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thomas wahrenbruch
78
59.54%
1
14.29%
greg kroah-hartman
greg kroah-hartman
26
19.85%
2
28.57%
johan hovold
johan hovold
16
12.21%
1
14.29%
jiri slaby
jiri slaby
8
6.11%
2
28.57%
alan cox
alan cox
3
2.29%
1
14.29%
Total
131
100.00%
7
100.00%



static void kobil_write_int_callback(struct urb *urb)
{
}


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thomas wahrenbruch
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johan hovold
2
20.00%
1
50.00%
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10
100.00%
2
100.00%



static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
			const unsigned char *buf, int count)
{
	int length = 0;
	int result = 0;
	int todo = 0;
	struct kobil_private *priv;

	if (count == 0) {
		dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__);
		return 0;
	}

	priv = usb_get_serial_port_data(port);

	if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
		dev_dbg(&port->dev, "%s - Error: write request bigger than buffer size\n", __func__);
		return -ENOMEM;
	}

	/* Copy data to buffer */
	memcpy(priv->buf + priv->filled, buf, count);
	usb_serial_debug_data(&port->dev, __func__, count, priv->buf + priv->filled);
	priv->filled = priv->filled + count;

	/* only send complete block. TWIN, KAAN SIM and adapter K
           use the same protocol. */
	if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
	     ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) {
		/* stop reading (except TWIN and KAAN SIM) */
		if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID)
			|| (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID))
			usb_kill_urb(port->interrupt_in_urb);

		todo = priv->filled - priv->cur_pos;

		while (todo > 0) {
			/* max 8 byte in one urb (endpoint size) */
			length = min(todo, port->interrupt_out_size);
			/* copy data to transfer buffer */
			memcpy(port->interrupt_out_buffer,
					priv->buf + priv->cur_pos, length);
			port->interrupt_out_urb->transfer_buffer_length = length;

			priv->cur_pos = priv->cur_pos + length;
			result = usb_submit_urb(port->interrupt_out_urb,
					GFP_ATOMIC);
			dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result);
			todo = priv->filled - priv->cur_pos;

			if (todo > 0)
				msleep(24);
		}

		priv->filled = 0;
		priv->cur_pos = 0;

		/* start reading (except TWIN and KAAN SIM) */
		if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
			priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
			result = usb_submit_urb(port->interrupt_in_urb,
					GFP_ATOMIC);
			dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
		}
	}
	return count;
}


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thomas wahrenbruch
343
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2
15.38%
greg kroah-hartman
greg kroah-hartman
36
8.55%
4
30.77%
chris wright
chris wright
15
3.56%
1
7.69%
johan hovold
johan hovold
14
3.33%
2
15.38%
alan cox
alan cox
11
2.61%
2
15.38%
harvey harrison
harvey harrison
1
0.24%
1
7.69%
oliver neukum
oliver neukum
1
0.24%
1
7.69%
Total
421
100.00%
13
100.00%



static int kobil_write_room(struct tty_struct *tty)
{
	/* FIXME */
	return 8;
}


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alan cox
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1
50.00%
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15
100.00%
2
100.00%



static int kobil_tiocmget(struct tty_struct *tty)
{
	struct usb_serial_port *port = tty->driver_data;
	struct kobil_private *priv;
	int result;
	unsigned char *transfer_buffer;
	int transfer_buffer_length = 8;

	priv = usb_get_serial_port_data(port);
	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
			|| priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
		/* This device doesn't support ioctl calls */
		return -EINVAL;
	}

	/* allocate memory for transfer buffer */
	transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
	if (!transfer_buffer)
		return -ENOMEM;

	result = usb_control_msg(port->serial->dev,
			  usb_rcvctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_GetStatusLineState,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
			  0,
			  0,
			  transfer_buffer,
			  transfer_buffer_length,
			  KOBIL_TIMEOUT);

	dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n",
		__func__, result, transfer_buffer[0]);

	result = 0;
	if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
		result = TIOCM_DSR;
	kfree(transfer_buffer);
	return result;
}

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greg kroah-hartman
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40.00%
thomas wahrenbruch
thomas wahrenbruch
74
42.77%
2
20.00%
alan cox
alan cox
20
11.56%
3
30.00%
eric sesterhenn
eric sesterhenn
1
0.58%
1
10.00%
Total
173
100.00%
10
100.00%



static int kobil_tiocmset(struct tty_struct *tty,
			   unsigned int set, unsigned int clear)
{
	struct usb_serial_port *port = tty->driver_data;
	struct device *dev = &port->dev;
	struct kobil_private *priv;
	int result;
	int dtr = 0;
	int rts = 0;

	/* FIXME: locking ? */
	priv = usb_get_serial_port_data(port);
	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
		|| priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
		/* This device doesn't support ioctl calls */
		return -EINVAL;
	}

	if (set & TIOCM_RTS)
		rts = 1;
	if (set & TIOCM_DTR)
		dtr = 1;
	if (clear & TIOCM_RTS)
		rts = 0;
	if (clear & TIOCM_DTR)
		dtr = 0;

	if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
		if (dtr != 0)
			dev_dbg(dev, "%s - Setting DTR\n", __func__);
		else
			dev_dbg(dev, "%s - Clearing DTR\n", __func__);
		result = usb_control_msg(port->serial->dev,
			  usb_sndctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_SetStatusLinesOrQueues,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
			  ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
			  0,
			  NULL,
			  0,
			  KOBIL_TIMEOUT);
	} else {
		if (rts != 0)
			dev_dbg(dev, "%s - Setting RTS\n", __func__);
		else
			dev_dbg(dev, "%s - Clearing RTS\n", __func__);
		result = usb_control_msg(port->serial->dev,
			usb_sndctrlpipe(port->serial->dev, 0),
			SUSBCRequest_SetStatusLinesOrQueues,
			USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
			((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
			0,
			NULL,
			0,
			KOBIL_TIMEOUT);
	}
	dev_dbg(dev, "%s - Send set_status_line URB returns: %i\n", __func__, result);
	return (result < 0) ? result : 0;
}

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greg kroah-hartman
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thomas wahrenbruch
thomas wahrenbruch
94
30.32%
2
25.00%
alan cox
alan cox
13
4.19%
3
37.50%
johan hovold
johan hovold
4
1.29%
1
12.50%
Total
310
100.00%
8
100.00%



static void kobil_set_termios(struct tty_struct *tty,
			struct usb_serial_port *port, struct ktermios *old)
{
	struct kobil_private *priv;
	int result;
	unsigned short urb_val = 0;
	int c_cflag = tty->termios.c_cflag;
	speed_t speed;

	priv = usb_get_serial_port_data(port);
	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
			priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
		/* This device doesn't support ioctl calls */
		tty_termios_copy_hw(&tty->termios, old);
		return;
	}

	speed = tty_get_baud_rate(tty);
	switch (speed) {
	case 1200:
		urb_val = SUSBCR_SBR_1200;
		break;
	default:
		speed = 9600;
	case 9600:
		urb_val = SUSBCR_SBR_9600;
		break;
	}
	urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits :
							SUSBCR_SPASB_1StopBit;
	if (c_cflag & PARENB) {
		if  (c_cflag & PARODD)
			urb_val |= SUSBCR_SPASB_OddParity;
		else
			urb_val |= SUSBCR_SPASB_EvenParity;
	} else
		urb_val |= SUSBCR_SPASB_NoParity;
	tty->termios.c_cflag &= ~CMSPAR;
	tty_encode_baud_rate(tty, speed, speed);

	result = usb_control_msg(port->serial->dev,
		  usb_sndctrlpipe(port->serial->dev, 0),
		  SUSBCRequest_SetBaudRateParityAndStopBits,
		  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
		  urb_val,
		  0,
		  NULL,
		  0,
		  KOBIL_TIMEOUT
		);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
greg kroah-hartman
greg kroah-hartman
90
42.06%
1
8.33%
alan cox
alan cox
64
29.91%
7
58.33%
thomas wahrenbruch
thomas wahrenbruch
58
27.10%
2
16.67%
johan hovold
johan hovold
2
0.93%
2
16.67%
Total
214
100.00%
12
100.00%



static int kobil_ioctl(struct tty_struct *tty,
					unsigned int cmd, unsigned long arg)
{
	struct usb_serial_port *port = tty->driver_data;
	struct kobil_private *priv = usb_get_serial_port_data(port);
	int result;

	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
			priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)
		/* This device doesn't support ioctl calls */
		return -ENOIOCTLCMD;

	switch (cmd) {
	case TCFLSH:
		result = usb_control_msg(port->serial->dev,
			  usb_sndctrlpipe(port->serial->dev, 0),
			  SUSBCRequest_Misc,
			  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
			  SUSBCR_MSC_ResetAllQueues,
			  0,
			  NULL,
			  0,
			  KOBIL_TIMEOUT
			);

		dev_dbg(&port->dev,
			"%s - Send reset_all_queues (FLUSH) URB returns: %i\n",
			__func__, result);
		return (result < 0) ? -EIO: 0;
	default:
		return -ENOIOCTLCMD;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
alan cox
alan cox
65
46.43%
4
44.44%
thomas wahrenbruch
thomas wahrenbruch
57
40.71%
1
11.11%
greg kroah-hartman
greg kroah-hartman
16
11.43%
2
22.22%
johan hovold
johan hovold
2
1.43%
2
22.22%
Total
140
100.00%
9
100.00%

module_usb_serial_driver(serial_drivers, id_table);


MODULE_AUTHOR(DRIVER_AUTHOR);

MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
thomas wahrenbruch
thomas wahrenbruch
1507
58.98%
3
6.12%
greg kroah-hartman
greg kroah-hartman
594
23.25%
16
32.65%
alan cox
alan cox
314
12.29%
11
22.45%
johan hovold
johan hovold
94
3.68%
9
18.37%
alan stern
alan stern
16
0.63%
1
2.04%
chris wright
chris wright
15
0.59%
1
2.04%
jiri slaby
jiri slaby
8
0.31%
2
4.08%
eric sesterhenn
eric sesterhenn
2
0.08%
1
2.04%
oliver neukum
oliver neukum
2
0.08%
2
4.08%
masanari iida
masanari iida
1
0.04%
1
2.04%
harvey harrison
harvey harrison
1
0.04%
1
2.04%
marton nemeth
marton nemeth
1
0.04%
1
2.04%
Total
2555
100.00%
49
100.00%
  
Directory: drivers/usb/serial

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