Contributors: 4
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Heiko Carstens |
137 |
96.48% |
2 |
40.00% |
Gerald Schaefer |
2 |
1.41% |
1 |
20.00% |
Vasily Gorbik |
2 |
1.41% |
1 |
20.00% |
Greg Kroah-Hartman |
1 |
0.70% |
1 |
20.00% |
Total |
142 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2017
*/
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/sclp.h>
static void sclp_early_write(struct console *con, const char *s, unsigned int len)
{
__sclp_early_printk(s, len, 0);
}
static struct console sclp_early_console = {
.name = "earlysclp",
.write = sclp_early_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1,
};
static int __init setup_early_printk(char *buf)
{
if (early_console)
return 0;
/* Accept only "earlyprintk" and "earlyprintk=sclp" */
if (buf && !str_has_prefix(buf, "sclp"))
return 0;
if (!sclp.has_linemode && !sclp.has_vt220)
return 0;
early_console = &sclp_early_console;
register_console(early_console);
return 0;
}
early_param("earlyprintk", setup_early_printk);