Re: [PATCH v10 3/4] ARM64: ACPI: enable ACPI_SPCR_TABLE

From: Will Deacon
Date: Thu Sep 08 2016 - 07:17:23 EST


On Wed, Sep 07, 2016 at 12:30:19PM +0300, Aleksey Makarov wrote:
>
> On 09/05/2016 03:36 PM, Aleksey Makarov wrote:
> > SBBR mentions SPCR as a mandatory ACPI table. So enable it for ARM64
> >
> > Earlycon should be set up as early as possible. ACPI boot tables are
> > mapped in arch/arm64/kernel/acpi.c:acpi_boot_table_init() that
> > is called from setup_arch() and that's where we parse SPCR.
> > So it has to be opted-in per-arch.
> >
> > When ACPI_SPCR_TABLE is defined initialization of DT earlycon is
> > deferred until the DT/ACPI decision is done. Initialize DT earlycon
> > if ACPI is disabled.
>
> Hi Will, Catalin,
>
> Can you review this patch and consider ACKing it please?

Hanjun, Al, Mark, Graeme -- any comments on this?

Will