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d0380e6c3c
The early console implementations are the same all over the place. Move the print function to kernel/printk and get rid of the copies. [akpm@linux-foundation.org: arch/mips/kernel/early_printk.c needs kernel.h for va_list] [paul.gortmaker@windriver.com: sh4: make the bios early console support depend on EARLY_PRINTK] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Mike Frysinger <vapier@gentoo.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Richard Weinberger <richard@nod.at> Reviewed-by: Ingo Molnar <mingo@kernel.org> Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
44 lines
988 B
C
44 lines
988 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
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* Copyright (C) 2007 MIPS Technologies, Inc.
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* written by Ralf Baechle (ralf@linux-mips.org)
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*/
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#include <linux/kernel.h>
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#include <linux/console.h>
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#include <linux/printk.h>
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#include <linux/init.h>
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#include <asm/setup.h>
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extern void prom_putchar(char);
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static void early_console_write(struct console *con, const char *s, unsigned n)
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{
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while (n-- && *s) {
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if (*s == '\n')
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prom_putchar('\r');
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prom_putchar(*s);
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s++;
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}
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}
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static struct console early_console_prom = {
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.name = "early",
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.write = early_console_write,
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.flags = CON_PRINTBUFFER | CON_BOOT,
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.index = -1
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};
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void __init setup_early_printk(void)
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{
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if (early_console)
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return;
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early_console = &early_console_prom;
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register_console(&early_console_prom);
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}
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