On Fri, Jun 20, 2025 at 09:13:07PM +0800, Li Chen wrote:
> From: Li Chen <chenl311@xxxxxxxxxxxxxxx>
>
> If CONFIG_ACPI_SPCR_TABLE is disabled, acpi_parse_spcr()
> currently returns 0, which may incorrectly suggest that
> SPCR parsing was successful. This patch changes the behavior
> to return -ENODEV to clearly indicate that SPCR support
> is not available.
>
> This prepares the codebase for future changes that depend
> on acpi_parse_spcr() failure detection, such as suppressing
> misleading console messages.
>
> Signed-off-by: Li Chen <chenl311@xxxxxxxxxxxxxxx>
> ---
> include/linux/acpi.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index f102c0fe34318..71e692f952905 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -1503,7 +1503,7 @@ int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
> #else
> static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
> {
> - return 0;
> + return -ENODEV;
> }
> #endif
Rafael, are you ok with this patch going via the arm64 tree?
Thanks.
--
Catalin
