ttynull.c (10205618052908770451acd33eaeaa7685e97ed2) ttynull.c (a91bd6223ecd46addc71ee6fcd432206d39365d2)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2019 Axis Communications AB
4 *
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2019 Axis Communications AB
4 *
5 * The console is useful for userspace applications which expect a console
6 * device to work without modifications even when no console is available
7 * or desired.
8 *
9 * In order to use this driver, you should redirect the console to this
10 * TTY, or boot the kernel with console=ttynull.
11 *
12 * Based on ttyprintk.c:
13 * Copyright (C) 2010 Samo Pogacnik
14 */
15
16#include <linux/console.h>
17#include <linux/module.h>
18#include <linux/tty.h>
19

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61 return ttynull_driver;
62}
63
64static struct console ttynull_console = {
65 .name = "ttynull",
66 .device = ttynull_device,
67};
68
5 * Based on ttyprintk.c:
6 * Copyright (C) 2010 Samo Pogacnik
7 */
8
9#include <linux/console.h>
10#include <linux/module.h>
11#include <linux/tty.h>
12

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54 return ttynull_driver;
55}
56
57static struct console ttynull_console = {
58 .name = "ttynull",
59 .device = ttynull_device,
60};
61
69void __init register_ttynull_console(void)
70{
71 if (!ttynull_driver)
72 return;
73
74 if (add_preferred_console(ttynull_console.name, 0, NULL))
75 return;
76
77 register_console(&ttynull_console);
78}
79
80static int __init ttynull_init(void)
81{
82 struct tty_driver *driver;
83 int ret;
84
85 driver = tty_alloc_driver(1,
86 TTY_DRIVER_RESET_TERMIOS |
87 TTY_DRIVER_REAL_RAW |

--- 40 unchanged lines hidden --- 		62static int __init ttynull_init(void)
63{
64 struct tty_driver *driver;
65 int ret;
66
67 driver = tty_alloc_driver(1,
68 TTY_DRIVER_RESET_TERMIOS |
69 TTY_DRIVER_REAL_RAW |

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