Re: [patch] early printk and boot console fixups.

From: Maciej W. Rozycki
Date: Wed May 16 2007 - 13:09:42 EST


On Wed, 16 May 2007, Bjorn Helgaas wrote:

> > for early_uart_console, I have some ideas:
> > 1. merged that into early_serial_console in
> > arch/x86_64/kernel/early_printk.c, and
> > move early_printk.c to kernel/, --- make it understand
> > earlyprintk=uart,io,0x3f8,9600n8
> > earlyprintk=uart,mmio,0xff5e0000,115200n8
> > in addition to vga, ttyS, serial
>
> I would rather try to merge 8250_early and early_printk.
> "console=uart,io,0x3f8" is already pretty similar to
> "earlyprintk=serial", and it would be nice to have only one.
>
> "console=uart" does have the disadvantage that you have to know the
> port address. But it has the advantage that it doesn't depend on
> compiled-in legacy serial port names. If you need early console
> output, you're probably a developer and can come up with the address.

Given the generic name of "uart" I am assuming this will work with any
UART driver making use of the serial_core.c core -- am I correct?

Maciej
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