On 02/29/2016 04:42 AM, Aleksey Makarov wrote:
> SBBR mentions DBG2 as a mandatory ACPI table.
> So enable it for ARM64
Why does this have to be opted-in per-arch?
> Signed-off-by: Aleksey Makarov <aleksey.makarov@xxxxxxxxxx>
> ---
> arch/arm64/Kconfig | 1 +
> arch/arm64/kernel/acpi.c | 2 ++
> 2 files changed, 3 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 9dc5209..0b614d4 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -3,6 +3,7 @@ config ARM64
> select ACPI_CCA_REQUIRED if ACPI
> select ACPI_GENERIC_GSI if ACPI
> select ACPI_REDUCED_HARDWARE_ONLY if ACPI
> + select ACPI_DBG2_TABLE if ACPI
> select ARCH_HAS_DEVMEM_IS_ALLOWED
> select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
> select ARCH_HAS_ELF_RANDOMIZE
> diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
> index d1ce8e2..3370046 100644
> --- a/arch/arm64/kernel/acpi.c
> +++ b/arch/arm64/kernel/acpi.c
> @@ -208,6 +208,8 @@ void __init acpi_boot_table_init(void)
> pr_err("Failed to init ACPI tables\n");
> if (!param_acpi_force)
> disable_acpi();
> + } else {
> + acpi_probe_device_table(dbg2);
> }
> }
>
>
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