Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
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) 2014 Finn Thain
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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/init.h>
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#include <linux/string.h>
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#include <asm/setup.h>
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#include "../mvme147/mvme147.h"
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#include "../mvme16x/mvme16x.h"
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asmlinkage void __init debug_cons_nputs(struct console *c, const char *s, unsigned int n);
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static struct console early_console_instance = {
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.name = "debug",
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.flags = CON_PRINTBUFFER | CON_BOOT,
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.index = -1
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};
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static int __init setup_early_printk(char *buf)
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{
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if (early_console || buf)
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return 0;
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if (MACH_IS_MVME147)
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early_console_instance.write = mvme147_scc_write;
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else if (MACH_IS_MVME16x)
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early_console_instance.write = mvme16x_cons_write;
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else
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early_console_instance.write = debug_cons_nputs;
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early_console = &early_console_instance;
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register_console(early_console);
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return 0;
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}
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early_param("earlyprintk", setup_early_printk);
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static int __init unregister_early_console(void)
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{
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/*
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* debug_cons_nputs() defined in arch/m68k/kernel/head.S cannot be
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* called after init sections are discarded (for platforms that use it).
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*/
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if (early_console && early_console->write == debug_cons_nputs)
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return unregister_console(early_console);
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return 0;
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}
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late_initcall(unregister_early_console);
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