32078f915d
This is now set by the usb-serial core, no need for the driver to individually set it. Thanks to Alan Stern for the idea to get rid of it. Cc: William Greathouse <wgreathouse@smva.com> Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com> Cc: Lonnie Mendez <dignome@gmail.com> Cc: Peter Berger <pberger@brimson.com> Cc: Al Borchers <alborchers@steinerpoint.com> Cc: Gary Brubaker <xavyer@ix.netcom.com> Cc: Oliver Neukum <oliver@neukum.name> Cc: Matthias Urlichs <smurf@smurf.noris.de> Cc: Support Department <support@connecttech.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Kautuk Consul <consul.kautuk@gmail.com> Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Bart Hartgers <bart.hartgers@gmail.com> Cc: Johan Hovold <jhovold@gmail.com> Cc: Preston Fick <preston.fick@silabs.com> Cc: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> Cc: Simon Arlott <simon@fire.lp0.eu> Cc: Andrew Worsley <amworsley@gmail.com> Cc: "Michał Wróbel" <michal.wrobel@flytronic.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Aleksey Babahin <tamerlan311@gmail.com> Cc: Dan Carpenter <error27@gmail.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Donald Lee <donald@asix.com.tw> Cc: Julia Lawall <julia@diku.dk> Cc: Michal Sroczynski <msroczyn@gmail.com> Cc: Wang YanQing <Udknight@gmail.com> Cc: Dan Williams <dcbw@redhat.com> Cc: Thomas Tuttle <ttuttle@chromium.org> Cc: Rigbert Hamisch <rigbert@gmx.de> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Jesper Juhl <jj@chaosbits.net> Cc: Adhir Ramjiawan <adhirramjiawan0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/*
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* USB Debug cable driver
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*
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* Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*/
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#include <linux/gfp.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/tty.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/usb/serial.h>
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#define USB_DEBUG_MAX_PACKET_SIZE 8
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#define USB_DEBUG_BRK_SIZE 8
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static char USB_DEBUG_BRK[USB_DEBUG_BRK_SIZE] = {
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0x00,
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0xff,
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0x01,
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0xfe,
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0x00,
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0xfe,
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0x01,
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0xff,
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};
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static const struct usb_device_id id_table[] = {
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{ USB_DEVICE(0x0525, 0x127a) },
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{ },
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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static struct usb_driver debug_driver = {
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.name = "debug",
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.id_table = id_table,
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};
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/* This HW really does not support a serial break, so one will be
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* emulated when ever the break state is set to true.
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*/
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static void usb_debug_break_ctl(struct tty_struct *tty, int break_state)
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{
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struct usb_serial_port *port = tty->driver_data;
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if (!break_state)
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return;
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usb_serial_generic_write(tty, port, USB_DEBUG_BRK, USB_DEBUG_BRK_SIZE);
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}
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static void usb_debug_process_read_urb(struct urb *urb)
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{
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struct usb_serial_port *port = urb->context;
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if (urb->actual_length == USB_DEBUG_BRK_SIZE &&
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memcmp(urb->transfer_buffer, USB_DEBUG_BRK,
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USB_DEBUG_BRK_SIZE) == 0) {
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usb_serial_handle_break(port);
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return;
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}
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usb_serial_generic_process_read_urb(urb);
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}
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static struct usb_serial_driver debug_device = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "debug",
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},
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.id_table = id_table,
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.num_ports = 1,
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.bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE,
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.break_ctl = usb_debug_break_ctl,
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.process_read_urb = usb_debug_process_read_urb,
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};
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static struct usb_serial_driver * const serial_drivers[] = {
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&debug_device, NULL
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};
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module_usb_serial_driver(debug_driver, serial_drivers);
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MODULE_LICENSE("GPL");
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