Re: [PATCH v1 1/1] ACPI: PCI: Switch to use acpi_evaluate_dsm_typed()

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On Mon, Oct 2, 2023 at 4:04 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> The acpi_evaluate_dsm_typed() provides a way to check the type of the
> object evaluated by _DSM call. Use it instead of open coded variant.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
>  drivers/acpi/pci_root.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
> index 84030804a763..58b89b8d950e 100644
> --- a/drivers/acpi/pci_root.c
> +++ b/drivers/acpi/pci_root.c
> @@ -1055,9 +1055,9 @@ struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
>          * exists and returns 0, we must preserve any PCI resource
>          * assignments made by firmware for this host bridge.
>          */
> -       obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 1,
> -                               DSM_PCI_PRESERVE_BOOT_CONFIG, NULL);
> -       if (obj && obj->type == ACPI_TYPE_INTEGER && obj->integer.value == 0)
> +       obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 1,
> +                                     DSM_PCI_PRESERVE_BOOT_CONFIG, NULL, ACPI_TYPE_INTEGER);
> +       if (obj && obj->integer.value == 0)
>                 host_bridge->preserve_config = 1;
>         ACPI_FREE(obj);
>
> --

Applied as 6.7 material, thanks!





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