From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/mips/kernel/early_printk.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 arch/mips/kernel/early_printk.c (limited to 'arch/mips/kernel/early_printk.c') diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c new file mode 100644 index 000000000..4a1647ddf --- /dev/null +++ b/arch/mips/kernel/early_printk.c @@ -0,0 +1,41 @@ +/* + * 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 +#include +#include +#include + +#include + +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_prom = { + .name = "early", + .write = early_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; + +void __init setup_early_printk(void) +{ + if (early_console) + return; + early_console = &early_console_prom; + + register_console(&early_console_prom); +} -- cgit v1.2.3