PageRenderTime 26ms CodeModel.GetById 21ms app.highlight 3ms RepoModel.GetById 1ms app.codeStats 0ms

/arch/mips/kernel/early_printk.c

http://github.com/mirrors/linux
C | 41 lines | 27 code | 5 blank | 9 comment | 5 complexity | 7be7d95650a1b4717bd717d3212da4f2 MD5 | raw file
 1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
 7 * Copyright (C) 2007 MIPS Technologies, Inc.
 8 *   written by Ralf Baechle (ralf@linux-mips.org)
 9 */
10#include <linux/kernel.h>
11#include <linux/console.h>
12#include <linux/printk.h>
13#include <linux/init.h>
14
15#include <asm/setup.h>
16
17static void early_console_write(struct console *con, const char *s, unsigned n)
18{
19	while (n-- && *s) {
20		if (*s == '\n')
21			prom_putchar('\r');
22		prom_putchar(*s);
23		s++;
24	}
25}
26
27static struct console early_console_prom = {
28	.name	= "early",
29	.write	= early_console_write,
30	.flags	= CON_PRINTBUFFER | CON_BOOT,
31	.index	= -1
32};
33
34void __init setup_early_printk(void)
35{
36	if (early_console)
37		return;
38	early_console = &early_console_prom;
39
40	register_console(&early_console_prom);
41}