[PATCH V2] arm64: add support for 8250/16550 earlyprintk

[Marc Zyngier]

On Fri,  1 Mar 2013 14:11:47 +0530, Anup Patel <anup.patel at linaro.org>
wrote:
> This patch adds support for using earlyprintk with 8250/16550 UART
ports.
> 
> The 8250/16550 UART can either have 8-bit or 32-bit aligned registers
> which is HW vendor dependent.
> 
> Kernel args for 8-bit aligned regs:
> earlyprintk=uart8250-8bit,<phys_address>
> 
> Kernel args for 32-bit aligned regs:
> earlyprintk=uart8250-32bit,<phys_address>
> 
> Signed-off-by: Anup Patel <anup.patel at linaro.org>

Looks OK to me. FWIW:

Reviewed-by: Marc Zyngier <marc.zyngier at arm.com>
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