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Wed, 8 May 2024 10:42:04 -0700 From: Vidya Sagar To: , , , , , , , CC: , , , , , , , , , , Subject: [PATCH V7 3/4] PCI: Unify ACPI and DT 'preserve config' support Date: Wed, 8 May 2024 23:11:37 +0530 Message-ID: <20240508174138.3630283-4-vidyas@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240508174138.3630283-1-vidyas@nvidia.com> References: <20240508174138.3630283-1-vidyas@nvidia.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF00017096:EE_|DS0PR12MB8415:EE_ X-MS-Office365-Filtering-Correlation-Id: 9ff2a747-6f5f-48e5-9017-08dc6f863aa2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230031|36860700004|82310400017|376005|7416005|1800799015; X-Microsoft-Antispam-Message-Info: t4sc45athLZiTLhtOVR/vvWvWiFkgPnyTljw0pHXQpWQ4PzpmqiB38AOXu0dnYcb/HL5ENkuuSChPWdSQ5b4GkuMRs4KX6/ZDP1gXXV+xKw7KSjJA9F31L+7K9ttnM8bclrbDlOgicGdFyPTdAZVeZ9xR3HQDUkuI6iK4sSijaVnY8JmKt6cp6Nt7pHMdcqEMGXjNTVq4LRQ+8qJQnuj7Gz1WZ0hV0eWiOJcv1KpL+17b1Vh4Nn4+KOrUo736kB7ssvplc8voA/bpuDaBMmLjpiFRoUYLrKNQMJeovDSRVkRwRS+wK270W/nUmxz5dNBIggYIlp80WKOKoA2WSfYUyCyHHPk0/wpuOhfO9eMo6DC11+PKiRWMKIKRUhOJFRJiORR2tsLqPlwrRpaqNV2Ad5YJ6XC9Yn2WZE9R97And2Vau0nMmTlRi8Xr3FJmVtvgWaHGeoZb0+FPpd6yyNSnMPLpeOLZx/sUDKhyxxsVtwiR3E66SACaip717Zz4qlbGxhUofKYbYDYwn2yzMQuViQ62pj3ZejjdmRL6kbYvvGR2pk8/IsPSxYq5Rx14UDARunepuYiWpYnpTYg4EECPYYjiEm/7flii+iVrTZ+UugzXqgfT8c8vvGFC54XcprqAeK9yCjDVD9jIaUIAB4Acfwpfxuux83hbw8CA4OkxHa+wLsE3visgRviGkNmITOTyt6CUzWc9cWMRE6w4pOYlzjTe7idPFCoHLRvohKLeu9cS8PH0HjW5XvS1lqyfoF+DE5JiUDaT6tqPgeRyLrNbAxu5DEqJJpb178/DfIDMPo7mttP/K9kox+qYaE5M8RT+JBGXrRqJDeN9qLcRguxlkQorUV8KKUuRoD0Ex1MUi4UurFiuBjTeBgDh+uHuwwqbWKjdNk1h005HAKcKgOv9xx4LkQak/BqMheLuTmipqi/2P3MznrkgsNhM4UlKoNqBC8h5M28lVDOu/OG+dt11E71SwCU+e0wmmJSfaDe3i/asOWccSl5OYdc1PecqHdRfTFYGxvKPp/3GU2Mj1GgJgDlXWqUvw3nDc2U17GfcWRdaHYnFyoIleLkOVqKBvJr0lX15xRNTzW6QLSYbOYD25IKNp1zMipaX9OP3Q7XFdAaGzuCXjmL0+Bl0/ilpzi4f7/E4iguCta2pDW8iAqPpQAKwrmrQopIT/HgOcfDengPm9Xp1gQDeeOQCwuYN5RdmyJwREk1FYjZjGRpBFL1iAwY3cwKiVsWY8Fcc2KKOoo4I6kHsUCmIOu06bprfAk4hfCybX2XDOiQU40+SwPwVBFRquGr84eHrXtukN6clePcuXtQgiqCiTsNKyL1fwGr8LRr6SnhK/Tybia2YchtgUJPiqaL3TVnO1J0cnFQgejRQC1MluYdz1pXqwM0MgN7 X-Forefront-Antispam-Report: CIP:216.228.117.161; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230031)(36860700004)(82310400017)(376005)(7416005)(1800799015); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2024 17:42:27.8238 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9ff2a747-6f5f-48e5-9017-08dc6f863aa2 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017096.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8415 Unify the 'preserve config' support across ACPI and device-tree boot flows. Signed-off-by: Vidya Sagar --- drivers/pci/probe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index ee086d029450..2c232c22d6af 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -894,6 +894,9 @@ static bool pci_preserve_config(struct pci_host_bridge *host_bridge) if (pci_acpi_preserve_config(host_bridge)) return true; + if (host_bridge->dev.parent && host_bridge->dev.parent->of_node) + return of_pci_preserve_config(host_bridge->dev.parent->of_node); + return false; }