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ARM: 5939/1: ARM: Add option CMDLINE_FORCE to force usage of the in-kernel cmdline

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Add an option to force usage of the in-kernel cmdline even if the boot
loader passes another command string to the kernel.

Useful if someone cannot or don't want to change the
command-line options of the boot loader but is able to change
the kernel.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Alexander Holler 2010-02-16 19:04:53 +01:00 • committed by Russell King
parent 830703c766
commit 92d2040d78
2 changed files with 13 additions and 0 deletions
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2
arch/arm/kernel/setup.c
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@ -593,6 +593,7 @@ static int __init parse_tag_revision(const struct tag *tag)
__tagtable(ATAG_REVISION, parse_tag_revision);
#ifndef CONFIG_CMDLINE_FORCE
static int __init parse_tag_cmdline(const struct tag *tag)
{
strlcpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
@ -600,6 +601,7 @@ static int __init parse_tag_cmdline(const struct tag *tag)
}
__tagtable(ATAG_CMDLINE, parse_tag_cmdline);
#endif /* CONFIG_CMDLINE_FORCE */
/*
* Scan the tag table for this tag, and call its parse function.