From patchwork Mon Oct 2 13:53:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 1842128 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=R2CalH1N; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4Rzj9S0Qx0z1yng for ; Tue, 3 Oct 2023 00:54:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237575AbjJBNyC (ORCPT ); Mon, 2 Oct 2023 09:54:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237585AbjJBNyB (ORCPT ); Mon, 2 Oct 2023 09:54:01 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05431E6; Mon, 2 Oct 2023 06:53:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696254839; x=1727790839; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=0iczxjgf4Ie892NJSryS5MvdoCgiYH0AtCxc5GWpQHs=; b=R2CalH1N4wekZtdc7/m2n/6bPAhpPbN6oOCXpoL+YLhy7HSXrLuurYOO 6sykNadUIV4uDKhyF4x13GnmfbPqkVr4natcFkdct3RmVtoWFRotPkSRM HfZ7vuo8vxMW1IMqS53vqJhyCt9WV9z6WCIsEwsjz6ExwuRmvzjkcU/rF Oehnrl4YzwGDq1I6WXSGskt3L4Oekr97pxC5TLnkK1maSn2FhT5yJP+k1 8Y2rrfOmsrIsbphsNumdSTdjD/24izlovGfVsfsxb6SXuPLOLaFENsF8J A+M0frRjZz2NFb7axSzqPrEEwuL30oBfy1YLFqjkP7K9ZfU21MgvTpCZs w==; X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="372995203" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="372995203" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2023 06:53:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="840990880" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="840990880" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 02 Oct 2023 06:53:55 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DCF131A7; Mon, 2 Oct 2023 16:53:53 +0300 (EEST) From: Andy Shevchenko To: Bjorn Helgaas , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Rafael J. Wysocki" , Len Brown , Andy Shevchenko Subject: [PATCH v1 1/1] PCI: ACPI: Switch to use acpi_evaluate_dsm_typed() Date: Mon, 2 Oct 2023 16:53:52 +0300 Message-Id: <20231002135352.2603096-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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 Acked-by: Rafael J. Wysocki --- drivers/pci/pci-acpi.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index a05350a4e49c..cf108259aef6 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -1215,12 +1215,12 @@ void acpi_pci_add_bus(struct pci_bus *bus) if (!pci_is_root_bus(bus)) return; - obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 3, - DSM_PCI_POWER_ON_RESET_DELAY, NULL); + obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 3, + DSM_PCI_POWER_ON_RESET_DELAY, NULL, ACPI_TYPE_INTEGER); if (!obj) return; - if (obj->type == ACPI_TYPE_INTEGER && obj->integer.value == 1) { + if (obj->integer.value == 1) { bridge = pci_find_host_bridge(bus); bridge->ignore_reset_delay = 1; } @@ -1376,12 +1376,13 @@ static void pci_acpi_optimize_delay(struct pci_dev *pdev, if (bridge->ignore_reset_delay) pdev->d3cold_delay = 0; - obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, 3, - DSM_PCI_DEVICE_READINESS_DURATIONS, NULL); + obj = acpi_evaluate_dsm_typed(handle, &pci_acpi_dsm_guid, 3, + DSM_PCI_DEVICE_READINESS_DURATIONS, NULL, + ACPI_TYPE_PACKAGE); if (!obj) return; - if (obj->type == ACPI_TYPE_PACKAGE && obj->package.count == 5) { + if (obj->package.count == 5) { elements = obj->package.elements; if (elements[0].type == ACPI_TYPE_INTEGER) { value = (int)elements[0].integer.value / 1000;