On Fri, 2016-09-09 at 17:28 +0800, Hanjun Guo wrote: > On 2016/9/9 0:34, Mark Salter wrote: > > > > On Thu, 2016-09-08 at 12:16 +0100, Will Deacon wrote: > > > > > > 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 > > I think there is a problem still with systems using 32-bit access to 8250 > > UARTs (i.e. Mustang) but that will need a DBG2 table spec change and > > followup patch to resolve. > Hmm, I think you mean we can add patches later with the spec updated, > and this patch works with SBSA pl011 can go for now? Yes, I think this series is fine for now. > > Thanks > Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
