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SubjectRe: [PATCH 2/2] acpi, x86: Use SPCR table for earlycon on x86
On Thu, Dec 7, 2017 at 11:29 AM, Prarit Bhargava <prarit@redhat.com> wrote:
> -int __init acpi_parse_spcr(bool earlycon)
> +int __init acpi_parse_spcr(bool earlycon, bool enable_console)
> {
> static char opts[ACPI_SPCR_OPTS_SIZE];
> static char uart[ACPI_SPCR_BUF_SIZE];
> @@ -113,7 +113,8 @@ int __init acpi_parse_spcr(bool earlycon)
> if (earlycon)
> setup_earlycon(opts);
>
> - err = add_preferred_console(uart, 0, opts + strlen(uart) + 1);
> + if (enable_console)
> + err = add_preferred_console(uart, 0, opts + strlen(uart) + 1);

So if earlycon==true but enable_console==false, then you parse SPCR
and use it for the early console, but not the primary console? I'm
not sure what that gives you.

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