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of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATTREE

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DT earlycon is only supported for CONFIG_OF_EARLY_FLATTREE=y; exclude
of_setup_earlycon() if not defined.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2016-01-16 15:23:38 -08:00 committed by Greg Kroah-Hartman
parent 6e9131cc43
commit 8477614d9f
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/earlycon.c
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@ -204,6 +204,8 @@ static int __init param_setup_earlycon(char *buf)
}
early_param("earlycon", param_setup_earlycon);
#ifdef CONFIG_OF_EARLY_FLATTREE
int __init of_setup_earlycon(unsigned long addr,
int (*setup)(struct earlycon_device *, const char *))
{
@ -227,3 +229,5 @@ int __init of_setup_earlycon(unsigned long addr,
register_console(early_console_dev.con);
return 0;
}
#endif /* CONFIG_OF_EARLY_FLATTREE */