earlycon: 8250: Document kernel command line options

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Document the expected behavior of kernel command lines of the forms:
    console=uart[8250],io|mmio|mmio32,<addr>[,options]
    console=uart[8250],<addr>[,options]
and
    earlycon=uart[8250],io|mmio|mmio32,<addr>[,options]
    earlycon=uart[8250],<addr>[,options]

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 10:52:39 -04:00 • committed by Greg Kroah-Hartman

parent 87515772c3

commit ca782f16ce

2 changed files with 18 additions and 5 deletions

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18

Documentation/kernel-parameters.txt

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5

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

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