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/um/kernel/early_printk.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 arch/um/kernel/early_printk.c (limited to 'arch/um/kernel/early_printk.c') diff --git a/arch/um/kernel/early_printk.c b/arch/um/kernel/early_printk.c new file mode 100644 index 000000000..4a0800bc3 --- /dev/null +++ b/arch/um/kernel/early_printk.c @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2011 Richard Weinberger + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include + +static void early_console_write(struct console *con, const char *s, unsigned int n) +{ + um_early_printk(s, n); +} + +static struct console early_console_dev = { + .name = "earlycon", + .write = early_console_write, + .flags = CON_BOOT, + .index = -1, +}; + +static int __init setup_early_printk(char *buf) +{ + if (!early_console) { + early_console = &early_console_dev; + register_console(&early_console_dev); + } + return 0; +} + +early_param("earlyprintk", setup_early_printk); -- cgit v1.2.3