Re: [PATCH v4 1/4] ACPI: parse SPCR and enable matching console

From: Timur Tabi
Date: Thu Mar 17 2016 - 13:20:24 EST

On Mon, Feb 29, 2016 at 6:02 AM, Aleksey Makarov
<aleksey.makarov@xxxxxxxxxx> wrote:
> 'ARM Server Base Boot Requiremets' [1] mentions SPCR (Serial Port
> Console Redirection Table) [2] as a mandatory ACPI table that
> specifies the configuration of serial console.
> Parse this table and check if any registered console match the
> description. If it does, enable that console.
> Introduce a new function acpi_console_check(). At the uart port
> registration, this function checks if the ACPI SPCR table specifies
> its argument of type struct uart_port to be a console
> and if so calls add_preferred_console().
> [1]
> [2]
> Signed-off-by: Aleksey Makarov <aleksey.makarov@xxxxxxxxxx>

Tested-by: Timur Tabi <timur@xxxxxxxxxxxxxx>

I know another version of patch is coming, but I tested this version
and it works.

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