diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2007-03-01 11:56:43 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-03-04 19:02:37 +0000 |
commit | 36a885306fdf7bb557c773309c993bfb2d0d693c (patch) | |
tree | 643b246c90653c9451ff7fecff74a79c3de8042c /arch/mips/kernel/early_printk.c | |
parent | ca471c86043f4a8b01cba02ba2d3431fddcaf606 (diff) | |
download | linux-36a885306fdf7bb557c773309c993bfb2d0d693c.tar.bz2 |
[MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.
early_printk is a so much saner thing.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/early_printk.c')
-rw-r--r-- | arch/mips/kernel/early_printk.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c new file mode 100644 index 000000000000..304efdc5682f --- /dev/null +++ b/arch/mips/kernel/early_printk.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/console.h> +#include <linux/init.h> + +extern void prom_putchar(char); + +static void early_console_write(struct console *con, const char *s, unsigned n) +{ + while (n-- && *s) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s); + s++; + } +} + +static struct console early_console = { + .name = "early", + .write = early_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; + +void __init setup_early_printk(void) +{ + register_console(&early_console); +} + +void __init disable_early_printk(void) +{ + unregister_console(&early_console); +} |