serial: earlycon: Refactor parse_options into serial core

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Prepare to support console-defined matching; refactor the command
line parameter string processing from parse_options() into a
new core function, uart_parse_earlycon(), which decodes command line
parameters of the form:
   earlycon=<name>,io|mmio|mmio32,<addr>,<options>
   console=<name>,io|mmio|mmio32,<addr>,<options>
   earlycon=<name>,0x<addr>,<options>
   console=<name>,0x<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 2015-03-01 11:05:46 -05:00 • committed by Greg Kroah-Hartman

parent 1e1257860f

commit 73abaf87f0

3 changed files with 61 additions and 26 deletions

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39

drivers/tty/serial/earlycon.c

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46

drivers/tty/serial/serial_core.c

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2

include/linux/serial_core.h

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