Specify PCI based UART for earlyprintk

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Add support for specifying PCI based UARTs for earlyprintk
using a syntax like "earlyprintk=pciserial,00:18.1,115200",
where 00:18.1 is the BDF of a UART device.

[Slightly tidied from Stuart's original patch]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Stuart R. Anderson 2015-01-20 12:07:57 +00:00 • committed by Greg Kroah-Hartman

parent d2b6f44779

commit ea9e9d8029

1 changed files with 166 additions and 16 deletions

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arch/x86/kernel/early_printk.c

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