earlycon: 8250: Fix command line regression

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Restore undocumented behavior of kernel command line parameters of
the forms:
    console=uart[8250],io|mmio|mmio32,<addr>[,options]
    console=uart[8250],<addr>[,options]
where 'options' have not been specified; in this case, the hardware
is assumed to be initialized.

Fixes: c7cef0a849 ("console: Add extensible console matching")
Reported-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Peter Hurley 2015-04-06 10:48:49 -04:00 • committed by Greg Kroah-Hartman

parent 99492c39f3

commit 87515772c3

2 changed files with 24 additions and 26 deletions

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31

drivers/tty/serial/8250/8250_core.c

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19

drivers/tty/serial/8250/8250_early.c

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