linux-kernel - Re: [PATCH] Enable ACPI_ADR_SPACE_PCI_CONFIG in acpi_gbl_default_address_spaces only when ACPI_PCI

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Date:   Tue, 9 Feb 2021 15:35:14 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Weidong Cui <weidongcui@...il.com>
Cc:     Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Len Brown <lenb@...nel.org>, Xinyang Ge <aegiryy@...il.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Enable ACPI_ADR_SPACE_PCI_CONFIG in acpi_gbl_default_address_spaces
 only when ACPI_PCI_CONFIGURED is defined

On Tue, Feb 9, 2021 at 4:22 AM Weidong Cui <weidongcui@...il.com> wrote:
>
> Signed-off-by: Weidong Cui <weidongcui@...il.com>
> Signed-off-by: Xinyang Ge <aegiryy@...il.com>

ACPICA material, left to Erik & Bob, thanks!

> ---
>  drivers/acpi/acpica/evhandler.c | 2 ++
>  include/acpi/acconfig.h         | 4 ++++
>  2 files changed, 6 insertions(+)
>
> diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
> index 5884eba04..4c25ad433 100644
> --- a/drivers/acpi/acpica/evhandler.c
> +++ b/drivers/acpi/acpica/evhandler.c
> @@ -26,7 +26,9 @@ acpi_ev_install_handler(acpi_handle obj_handle,
>  u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
>         ACPI_ADR_SPACE_SYSTEM_MEMORY,
>         ACPI_ADR_SPACE_SYSTEM_IO,
> +#ifdef ACPI_PCI_CONFIGURED
>         ACPI_ADR_SPACE_PCI_CONFIG,
> +#endif
>         ACPI_ADR_SPACE_DATA_TABLE
>  };
>
> diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
> index a225eff49..790999028 100644
> --- a/include/acpi/acconfig.h
> +++ b/include/acpi/acconfig.h
> @@ -162,7 +162,11 @@
>  /* Maximum space_ids for Operation Regions */
>
>  #define ACPI_MAX_ADDRESS_SPACE          255
> +#ifdef ACPI_PCI_CONFIGURED
>  #define ACPI_NUM_DEFAULT_SPACES         4
> +#else
> +#define ACPI_NUM_DEFAULT_SPACES         3
> +#endif
>
>  /* Array sizes.  Used for range checking also */
>
> --
> 2.24.3 (Apple Git-128)
>