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-rw-r--r--drivers/usb/serial/keyspan_pda.c720
1 files changed, 720 insertions, 0 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
new file mode 100644
index 000000000..6fd15cd9e
--- /dev/null
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -0,0 +1,720 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * USB Keyspan PDA / Xircom / Entrega Converter driver
+ *
+ * Copyright (C) 1999 - 2001 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 1999, 2000 Brian Warner <warner@lothar.com>
+ * Copyright (C) 2000 Al Borchers <borchers@steinerpoint.com>
+ * Copyright (C) 2020 Johan Hovold <johan@kernel.org>
+ *
+ * See Documentation/usb/usb-serial.rst for more information on using this
+ * driver
+ */
+
+#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/workqueue.h>
+#include <linux/uaccess.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/usb/ezusb.h>
+
+#define DRIVER_AUTHOR "Brian Warner <warner@lothar.com>, Johan Hovold <johan@kernel.org>"
+#define DRIVER_DESC "USB Keyspan PDA Converter driver"
+
+#define KEYSPAN_TX_THRESHOLD 128
+
+struct keyspan_pda_private {
+ int tx_room;
+ struct work_struct unthrottle_work;
+ struct usb_serial *serial;
+ struct usb_serial_port *port;
+};
+
+static int keyspan_pda_write_start(struct usb_serial_port *port);
+
+#define KEYSPAN_VENDOR_ID 0x06cd
+#define KEYSPAN_PDA_FAKE_ID 0x0103
+#define KEYSPAN_PDA_ID 0x0104 /* no clue */
+
+/* For Xircom PGSDB9 and older Entrega version of the same device */
+#define XIRCOM_VENDOR_ID 0x085a
+#define XIRCOM_FAKE_ID 0x8027
+#define XIRCOM_FAKE_ID_2 0x8025 /* "PGMFHUB" serial */
+#define ENTREGA_VENDOR_ID 0x1645
+#define ENTREGA_FAKE_ID 0x8093
+
+static const struct usb_device_id id_table_combined[] = {
+ { USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_FAKE_ID) },
+ { USB_DEVICE(XIRCOM_VENDOR_ID, XIRCOM_FAKE_ID) },
+ { USB_DEVICE(XIRCOM_VENDOR_ID, XIRCOM_FAKE_ID_2) },
+ { USB_DEVICE(ENTREGA_VENDOR_ID, ENTREGA_FAKE_ID) },
+ { USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_ID) },
+ { } /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, id_table_combined);
+
+static const struct usb_device_id id_table_std[] = {
+ { USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_ID) },
+ { } /* Terminating entry */
+};
+
+static const struct usb_device_id id_table_fake[] = {
+ { USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_FAKE_ID) },
+ { USB_DEVICE(XIRCOM_VENDOR_ID, XIRCOM_FAKE_ID) },
+ { USB_DEVICE(XIRCOM_VENDOR_ID, XIRCOM_FAKE_ID_2) },
+ { USB_DEVICE(ENTREGA_VENDOR_ID, ENTREGA_FAKE_ID) },
+ { } /* Terminating entry */
+};
+
+static int keyspan_pda_get_write_room(struct keyspan_pda_private *priv)
+{
+ struct usb_serial_port *port = priv->port;
+ struct usb_serial *serial = port->serial;
+ u8 room;
+ int rc;
+
+ rc = usb_control_msg_recv(serial->dev,
+ 0,
+ 6, /* write_room */
+ USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_IN,
+ 0, /* value: 0 means "remaining room" */
+ 0, /* index */
+ &room,
+ 1,
+ 2000,
+ GFP_KERNEL);
+ if (rc) {
+ dev_dbg(&port->dev, "roomquery failed: %d\n", rc);
+ return rc;
+ }
+
+ dev_dbg(&port->dev, "roomquery says %d\n", room);
+
+ return room;
+}
+
+static void keyspan_pda_request_unthrottle(struct work_struct *work)
+{
+ struct keyspan_pda_private *priv =
+ container_of(work, struct keyspan_pda_private, unthrottle_work);
+ struct usb_serial_port *port = priv->port;
+ struct usb_serial *serial = port->serial;
+ unsigned long flags;
+ int result;
+
+ dev_dbg(&port->dev, "%s\n", __func__);
+
+ /*
+ * Ask the device to tell us when the tx buffer becomes
+ * sufficiently empty.
+ */
+ result = usb_control_msg(serial->dev,
+ usb_sndctrlpipe(serial->dev, 0),
+ 7, /* request_unthrottle */
+ USB_TYPE_VENDOR | USB_RECIP_INTERFACE
+ | USB_DIR_OUT,
+ KEYSPAN_TX_THRESHOLD,
+ 0, /* index */
+ NULL,
+ 0,
+ 2000);
+ if (result < 0)
+ dev_dbg(&serial->dev->dev, "%s - error %d from usb_control_msg\n",
+ __func__, result);
+ /*
+ * Need to check available space after requesting notification in case
+ * buffer is already empty so that no notification is sent.
+ */
+ result = keyspan_pda_get_write_room(priv);
+ if (result > KEYSPAN_TX_THRESHOLD) {
+ spin_lock_irqsave(&port->lock, flags);
+ priv->tx_room = max(priv->tx_room, result);
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ usb_serial_port_softint(port);
+ }
+}
+
+static void keyspan_pda_rx_interrupt(struct urb *urb)
+{
+ struct usb_serial_port *port = urb->context;
+ unsigned char *data = urb->transfer_buffer;
+ unsigned int len = urb->actual_length;
+ int retval;
+ int status = urb->status;
+ struct keyspan_pda_private *priv;
+ unsigned long flags;
+
+ priv = usb_get_serial_port_data(port);
+
+ switch (status) {
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", __func__, status);
+ return;
+ default:
+ dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __func__, status);
+ goto exit;
+ }
+
+ if (len < 1) {
+ dev_warn(&port->dev, "short message received\n");
+ goto exit;
+ }
+
+ /* see if the message is data or a status interrupt */
+ switch (data[0]) {
+ case 0:
+ /* rest of message is rx data */
+ if (len < 2)
+ break;
+ tty_insert_flip_string(&port->port, data + 1, len - 1);
+ tty_flip_buffer_push(&port->port);
+ break;
+ case 1:
+ /* status interrupt */
+ if (len < 2) {
+ dev_warn(&port->dev, "short interrupt message received\n");
+ break;
+ }
+ dev_dbg(&port->dev, "rx int, d1=%d\n", data[1]);
+ switch (data[1]) {
+ case 1: /* modemline change */
+ break;
+ case 2: /* tx unthrottle interrupt */
+ spin_lock_irqsave(&port->lock, flags);
+ priv->tx_room = max(priv->tx_room, KEYSPAN_TX_THRESHOLD);
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ keyspan_pda_write_start(port);
+
+ usb_serial_port_softint(port);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+exit:
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
+ if (retval)
+ dev_err(&port->dev,
+ "%s - usb_submit_urb failed with result %d\n",
+ __func__, retval);
+}
+
+static void keyspan_pda_rx_throttle(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+
+ /*
+ * Stop receiving characters. We just turn off the URB request, and
+ * let chars pile up in the device. If we're doing hardware
+ * flowcontrol, the device will signal the other end when its buffer
+ * fills up. If we're doing XON/XOFF, this would be a good time to
+ * send an XOFF, although it might make sense to foist that off upon
+ * the device too.
+ */
+ usb_kill_urb(port->interrupt_in_urb);
+}
+
+static void keyspan_pda_rx_unthrottle(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+
+ /* just restart the receive interrupt URB */
+ if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL))
+ dev_dbg(&port->dev, "usb_submit_urb(read urb) failed\n");
+}
+
+static speed_t keyspan_pda_setbaud(struct usb_serial *serial, speed_t baud)
+{
+ int rc;
+ int bindex;
+
+ switch (baud) {
+ case 110:
+ bindex = 0;
+ break;
+ case 300:
+ bindex = 1;
+ break;
+ case 1200:
+ bindex = 2;
+ break;
+ case 2400:
+ bindex = 3;
+ break;
+ case 4800:
+ bindex = 4;
+ break;
+ case 9600:
+ bindex = 5;
+ break;
+ case 19200:
+ bindex = 6;
+ break;
+ case 38400:
+ bindex = 7;
+ break;
+ case 57600:
+ bindex = 8;
+ break;
+ case 115200:
+ bindex = 9;
+ break;
+ default:
+ bindex = 5; /* Default to 9600 */
+ baud = 9600;
+ }
+
+ rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ 0, /* set baud */
+ USB_TYPE_VENDOR
+ | USB_RECIP_INTERFACE
+ | USB_DIR_OUT, /* type */
+ bindex, /* value */
+ 0, /* index */
+ NULL, /* &data */
+ 0, /* size */
+ 2000); /* timeout */
+ if (rc < 0)
+ return 0;
+
+ return baud;
+}
+
+static void keyspan_pda_break_ctl(struct tty_struct *tty, int break_state)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial *serial = port->serial;
+ int value;
+ int result;
+
+ if (break_state == -1)
+ value = 1; /* start break */
+ else
+ value = 0; /* clear break */
+
+ result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ 4, /* set break */
+ USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
+ value, 0, NULL, 0, 2000);
+ if (result < 0)
+ dev_dbg(&port->dev, "%s - error %d from usb_control_msg\n",
+ __func__, result);
+}
+
+static void keyspan_pda_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port,
+ const struct ktermios *old_termios)
+{
+ struct usb_serial *serial = port->serial;
+ speed_t speed;
+
+ /*
+ * cflag specifies lots of stuff: number of stop bits, parity, number
+ * of data bits, baud. What can the device actually handle?:
+ * CSTOPB (1 stop bit or 2)
+ * PARENB (parity)
+ * CSIZE (5bit .. 8bit)
+ * There is minimal hw support for parity (a PSW bit seems to hold the
+ * parity of whatever is in the accumulator). The UART either deals
+ * with 10 bits (start, 8 data, stop) or 11 bits (start, 8 data,
+ * 1 special, stop). So, with firmware changes, we could do:
+ * 8N1: 10 bit
+ * 8N2: 11 bit, extra bit always (mark?)
+ * 8[EOMS]1: 11 bit, extra bit is parity
+ * 7[EOMS]1: 10 bit, b0/b7 is parity
+ * 7[EOMS]2: 11 bit, b0/b7 is parity, extra bit always (mark?)
+ *
+ * HW flow control is dictated by the tty->termios.c_cflags & CRTSCTS
+ * bit.
+ *
+ * For now, just do baud.
+ */
+ speed = tty_get_baud_rate(tty);
+ speed = keyspan_pda_setbaud(serial, speed);
+
+ if (speed == 0) {
+ dev_dbg(&port->dev, "can't handle requested baud rate\n");
+ /* It hasn't changed so.. */
+ speed = tty_termios_baud_rate(old_termios);
+ }
+ /*
+ * Only speed can change so copy the old h/w parameters then encode
+ * the new speed.
+ */
+ tty_termios_copy_hw(&tty->termios, old_termios);
+ tty_encode_baud_rate(tty, speed, speed);
+}
+
+/*
+ * Modem control pins: DTR and RTS are outputs and can be controlled.
+ * DCD, RI, DSR, CTS are inputs and can be read. All outputs can also be
+ * read. The byte passed is: DTR(b7) DCD RI DSR CTS RTS(b2) unused unused.
+ */
+static int keyspan_pda_get_modem_info(struct usb_serial *serial,
+ unsigned char *value)
+{
+ int rc;
+ u8 data;
+
+ rc = usb_control_msg_recv(serial->dev, 0,
+ 3, /* get pins */
+ USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_IN,
+ 0,
+ 0,
+ &data,
+ 1,
+ 2000,
+ GFP_KERNEL);
+ if (rc == 0)
+ *value = data;
+
+ return rc;
+}
+
+static int keyspan_pda_set_modem_info(struct usb_serial *serial,
+ unsigned char value)
+{
+ int rc;
+ rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ 3, /* set pins */
+ USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_OUT,
+ value, 0, NULL, 0, 2000);
+ return rc;
+}
+
+static int keyspan_pda_tiocmget(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial *serial = port->serial;
+ int rc;
+ unsigned char status;
+ int value;
+
+ rc = keyspan_pda_get_modem_info(serial, &status);
+ if (rc < 0)
+ return rc;
+
+ value = ((status & BIT(7)) ? TIOCM_DTR : 0) |
+ ((status & BIT(6)) ? TIOCM_CAR : 0) |
+ ((status & BIT(5)) ? TIOCM_RNG : 0) |
+ ((status & BIT(4)) ? TIOCM_DSR : 0) |
+ ((status & BIT(3)) ? TIOCM_CTS : 0) |
+ ((status & BIT(2)) ? TIOCM_RTS : 0);
+
+ return value;
+}
+
+static int keyspan_pda_tiocmset(struct tty_struct *tty,
+ unsigned int set, unsigned int clear)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial *serial = port->serial;
+ int rc;
+ unsigned char status;
+
+ rc = keyspan_pda_get_modem_info(serial, &status);
+ if (rc < 0)
+ return rc;
+
+ if (set & TIOCM_RTS)
+ status |= BIT(2);
+ if (set & TIOCM_DTR)
+ status |= BIT(7);
+
+ if (clear & TIOCM_RTS)
+ status &= ~BIT(2);
+ if (clear & TIOCM_DTR)
+ status &= ~BIT(7);
+ rc = keyspan_pda_set_modem_info(serial, status);
+ return rc;
+}
+
+static int keyspan_pda_write_start(struct usb_serial_port *port)
+{
+ struct keyspan_pda_private *priv = usb_get_serial_port_data(port);
+ unsigned long flags;
+ struct urb *urb;
+ int count;
+ int room;
+ int rc;
+
+ /*
+ * Guess how much room is left in the device's ring buffer. If our
+ * write will result in no room left, ask the device to give us an
+ * interrupt when the room available rises above a threshold but also
+ * query how much room is currently available (in case our guess was
+ * too conservative and the buffer is already empty when the
+ * unthrottle work is scheduled).
+ */
+
+ /*
+ * We might block because of:
+ * the TX urb is in-flight (wait until it completes)
+ * the device is full (wait until it says there is room)
+ */
+ spin_lock_irqsave(&port->lock, flags);
+
+ room = priv->tx_room;
+ count = kfifo_len(&port->write_fifo);
+
+ if (!test_bit(0, &port->write_urbs_free) || count == 0 || room == 0) {
+ spin_unlock_irqrestore(&port->lock, flags);
+ return 0;
+ }
+ __clear_bit(0, &port->write_urbs_free);
+
+ if (count > room)
+ count = room;
+ if (count > port->bulk_out_size)
+ count = port->bulk_out_size;
+
+ urb = port->write_urb;
+ count = kfifo_out(&port->write_fifo, urb->transfer_buffer, count);
+ urb->transfer_buffer_length = count;
+
+ port->tx_bytes += count;
+ priv->tx_room -= count;
+
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ dev_dbg(&port->dev, "%s - count = %d, txroom = %d\n", __func__, count, room);
+
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc) {
+ dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed\n");
+
+ spin_lock_irqsave(&port->lock, flags);
+ port->tx_bytes -= count;
+ priv->tx_room = max(priv->tx_room, room + count);
+ __set_bit(0, &port->write_urbs_free);
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ return rc;
+ }
+
+ if (count == room)
+ schedule_work(&priv->unthrottle_work);
+
+ return count;
+}
+
+static void keyspan_pda_write_bulk_callback(struct urb *urb)
+{
+ struct usb_serial_port *port = urb->context;
+ unsigned long flags;
+
+ spin_lock_irqsave(&port->lock, flags);
+ port->tx_bytes -= urb->transfer_buffer_length;
+ __set_bit(0, &port->write_urbs_free);
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ keyspan_pda_write_start(port);
+
+ usb_serial_port_softint(port);
+}
+
+static int keyspan_pda_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count)
+{
+ int rc;
+
+ dev_dbg(&port->dev, "%s - count = %d\n", __func__, count);
+
+ if (!count)
+ return 0;
+
+ count = kfifo_in_locked(&port->write_fifo, buf, count, &port->lock);
+
+ rc = keyspan_pda_write_start(port);
+ if (rc)
+ return rc;
+
+ return count;
+}
+
+static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)
+{
+ struct usb_serial *serial = port->serial;
+
+ if (on)
+ keyspan_pda_set_modem_info(serial, BIT(7) | BIT(2));
+ else
+ keyspan_pda_set_modem_info(serial, 0);
+}
+
+
+static int keyspan_pda_open(struct tty_struct *tty,
+ struct usb_serial_port *port)
+{
+ struct keyspan_pda_private *priv = usb_get_serial_port_data(port);
+ int rc;
+
+ /* find out how much room is in the Tx ring */
+ rc = keyspan_pda_get_write_room(priv);
+ if (rc < 0)
+ return rc;
+
+ spin_lock_irq(&port->lock);
+ priv->tx_room = rc;
+ spin_unlock_irq(&port->lock);
+
+ rc = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+ if (rc) {
+ dev_dbg(&port->dev, "%s - usb_submit_urb(read int) failed\n", __func__);
+ return rc;
+ }
+
+ return 0;
+}
+
+static void keyspan_pda_close(struct usb_serial_port *port)
+{
+ struct keyspan_pda_private *priv = usb_get_serial_port_data(port);
+
+ /*
+ * Stop the interrupt URB first as its completion handler may submit
+ * the write URB.
+ */
+ usb_kill_urb(port->interrupt_in_urb);
+ usb_kill_urb(port->write_urb);
+
+ cancel_work_sync(&priv->unthrottle_work);
+
+ spin_lock_irq(&port->lock);
+ kfifo_reset(&port->write_fifo);
+ spin_unlock_irq(&port->lock);
+}
+
+/* download the firmware to a "fake" device (pre-renumeration) */
+static int keyspan_pda_fake_startup(struct usb_serial *serial)
+{
+ unsigned int vid = le16_to_cpu(serial->dev->descriptor.idVendor);
+ const char *fw_name;
+
+ /* download the firmware here ... */
+ ezusb_fx1_set_reset(serial->dev, 1);
+
+ switch (vid) {
+ case KEYSPAN_VENDOR_ID:
+ fw_name = "keyspan_pda/keyspan_pda.fw";
+ break;
+ case XIRCOM_VENDOR_ID:
+ case ENTREGA_VENDOR_ID:
+ fw_name = "keyspan_pda/xircom_pgs.fw";
+ break;
+ default:
+ dev_err(&serial->dev->dev, "%s: unknown vendor, aborting.\n",
+ __func__);
+ return -ENODEV;
+ }
+
+ if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) {
+ dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n",
+ fw_name);
+ return -ENOENT;
+ }
+
+ /*
+ * After downloading firmware renumeration will occur in a moment and
+ * the new device will bind to the real driver.
+ */
+
+ /* We want this device to fail to have a driver assigned to it. */
+ return 1;
+}
+
+MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
+MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
+
+static int keyspan_pda_port_probe(struct usb_serial_port *port)
+{
+
+ struct keyspan_pda_private *priv;
+
+ priv = kmalloc(sizeof(struct keyspan_pda_private), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle);
+ priv->port = port;
+
+ usb_set_serial_port_data(port, priv);
+
+ return 0;
+}
+
+static void keyspan_pda_port_remove(struct usb_serial_port *port)
+{
+ struct keyspan_pda_private *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
+}
+
+static struct usb_serial_driver keyspan_pda_fake_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "keyspan_pda_pre",
+ },
+ .description = "Keyspan PDA - (prerenumeration)",
+ .id_table = id_table_fake,
+ .num_ports = 1,
+ .attach = keyspan_pda_fake_startup,
+};
+
+static struct usb_serial_driver keyspan_pda_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "keyspan_pda",
+ },
+ .description = "Keyspan PDA",
+ .id_table = id_table_std,
+ .num_ports = 1,
+ .num_bulk_out = 1,
+ .num_interrupt_in = 1,
+ .dtr_rts = keyspan_pda_dtr_rts,
+ .open = keyspan_pda_open,
+ .close = keyspan_pda_close,
+ .write = keyspan_pda_write,
+ .write_bulk_callback = keyspan_pda_write_bulk_callback,
+ .read_int_callback = keyspan_pda_rx_interrupt,
+ .throttle = keyspan_pda_rx_throttle,
+ .unthrottle = keyspan_pda_rx_unthrottle,
+ .set_termios = keyspan_pda_set_termios,
+ .break_ctl = keyspan_pda_break_ctl,
+ .tiocmget = keyspan_pda_tiocmget,
+ .tiocmset = keyspan_pda_tiocmset,
+ .port_probe = keyspan_pda_port_probe,
+ .port_remove = keyspan_pda_port_remove,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+ &keyspan_pda_device,
+ &keyspan_pda_fake_device,
+ NULL
+};
+
+module_usb_serial_driver(serial_drivers, id_table_combined);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 12:45:31 +0000