navman.c (05c7cd39907184328f48d3e7899f9cdd653ad336) navman.c (2e124b4a390ca85325fae75764bef92f0547fa25)
1/*
2 * Navman Serial USB driver
3 *
4 * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.

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27 { },
28};
29MODULE_DEVICE_TABLE(usb, id_table);
30
31static void navman_read_int_callback(struct urb *urb)
32{
33 struct usb_serial_port *port = urb->context;
34 unsigned char *data = urb->transfer_buffer;
1/*
2 * Navman Serial USB driver
3 *
4 * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.

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27 { },
28};
29MODULE_DEVICE_TABLE(usb, id_table);
30
31static void navman_read_int_callback(struct urb *urb)
32{
33 struct usb_serial_port *port = urb->context;
34 unsigned char *data = urb->transfer_buffer;
35 struct tty_struct *tty;
36 int status = urb->status;
37 int result;
38
39 switch (status) {
40 case 0:
41 /* success */
42 break;
43 case -ECONNRESET:

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50 default:
51 dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
52 __func__, status);
53 goto exit;
54 }
55
56 usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data);
57
35 int status = urb->status;
36 int result;
37
38 switch (status) {
39 case 0:
40 /* success */
41 break;
42 case -ECONNRESET:

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49 default:
50 dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
51 __func__, status);
52 goto exit;
53 }
54
55 usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data);
56
58 tty = tty_port_tty_get(&port->port);
59 if (tty && urb->actual_length) {
57 if (urb->actual_length) {
60 tty_insert_flip_string(&port->port, data, urb->actual_length);
58 tty_insert_flip_string(&port->port, data, urb->actual_length);
61 tty_flip_buffer_push(tty);
59 tty_flip_buffer_push(&port->port);
62 }
60 }
63 tty_kref_put(tty);
64
65exit:
66 result = usb_submit_urb(urb, GFP_ATOMIC);
67 if (result)
68 dev_err(&urb->dev->dev,
69 "%s - Error %d submitting interrupt urb\n",
70 __func__, result);
71}

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62exit:
63 result = usb_submit_urb(urb, GFP_ATOMIC);
64 if (result)
65 dev_err(&urb->dev->dev,
66 "%s - Error %d submitting interrupt urb\n",
67 __func__, result);
68}

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