From: Andy Shevchenko Date: Mon, 2 Oct 2023 13:54:24 +0000 (+0300) Subject: ACPI: PCI: Switch to use acpi_evaluate_dsm_typed() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9fbdc0504244a3c958a0ef4f0ff7016072553f71;p=linux.git ACPI: PCI: Switch to use acpi_evaluate_dsm_typed() 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 Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 84030804a7633..58b89b8d950ed 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);