[PATCH] ACPI: Do not enable ACPI SPCR console by default on arm64
Prarit Bhargava
prarit at redhat.com
Thu May 30 06:06:17 PDT 2024
On 5/29/24 21:53, Liu Wei wrote:
> Consistency with x86 and loongarch, don't enable ACPI SPCR console
> by default on arm64
>
> Signed-off-by: Liu Wei <liuwei09 at cestc.cn>
> ---
> arch/arm64/kernel/acpi.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
> index dba8fcec7f33..1deda3e5a0d2 100644
> --- a/arch/arm64/kernel/acpi.c
> +++ b/arch/arm64/kernel/acpi.c
> @@ -227,7 +227,8 @@ void __init acpi_boot_table_init(void)
> if (earlycon_acpi_spcr_enable)
> early_init_dt_scan_chosen_stdout();
> } else {
> - acpi_parse_spcr(earlycon_acpi_spcr_enable, true);
> + /* Do not enable ACPI SPCR console by default */
> + acpi_parse_spcr(earlycon_acpi_spcr_enable, false);
> if (IS_ENABLED(CONFIG_ACPI_BGRT))
> acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt);
> }
It's been a while, and the status of arm hardware may have changed.
IIRC the choice to force enable this is that most arm hardware is
headless and this was a _required_ option for booting.
I'm not sure if that's still the case as it's been a long time.
Can anyone from the ARM community provide an approval here?
P.
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