From: Bjorn Helgaas <helgaas@kernel.org>
To: Vidya Sagar <vidyas@nvidia.com>
Cc: "Rafael J . Wysocki" <rafael@kernel.org>,
"Len Brown" <lenb@kernel.org>, "Will Deacon" <will@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh@kernel.org>,
"Frank Rowand" <frowand.list@gmail.com>,
"Thierry Reding" <treding@nvidia.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Krishna Thota" <kthota@nvidia.com>,
"Manikanta Maddireddy" <mmaddireddy@nvidia.com>,
"Vidya Sagar" <sagar.tv@gmail.com>,
linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
"Bjorn Helgaas" <bhelgaas@google.com>
Subject: [PATCH v7-incomplete 3/3] PCI: Unify ACPI and DT 'preserve config' support
Date: Sun, 21 Apr 2024 14:09:14 -0500 [thread overview]
Message-ID: <20240421190914.374399-4-helgaas@kernel.org> (raw)
In-Reply-To: <20240421190914.374399-1-helgaas@kernel.org>
From: Bjorn Helgaas <bhelgaas@google.com>
---
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;
}
--
2.34.1
next prev parent reply other threads:[~2024-04-21 19:09 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-10 3:07 [PATCH V2 0/2] Add support to preserve boot config in the DT flow Vidya Sagar
2024-01-10 3:07 ` [PATCH V2 1/2] dt-bindings: Add PCIe "preserve-boot-config" property Vidya Sagar
2024-01-12 14:33 ` Rob Herring
2024-01-10 3:07 ` [PATCH V2 2/2] PCI: Add support for " Vidya Sagar
2024-01-12 16:58 ` Bjorn Helgaas
2024-01-15 14:32 ` Vidya Sagar
2024-01-16 16:55 ` Rob Herring
2024-01-19 17:31 ` Bjorn Helgaas
2024-01-12 16:59 ` Bjorn Helgaas
2024-02-22 12:41 ` [PATCH V3] PCI: Add support for preserving boot configuration Vidya Sagar
2024-02-22 17:06 ` Bjorn Helgaas
2024-02-22 21:18 ` Vidya Sagar
2024-02-22 22:08 ` Bjorn Helgaas
2024-02-23 8:00 ` [PATCH V4] " Vidya Sagar
2024-03-05 14:10 ` Rob Herring
2024-03-05 14:24 ` Rob Herring
2024-04-01 7:50 ` [PATCH V5] " Vidya Sagar
2024-04-02 16:01 ` Rob Herring
2024-04-10 7:44 ` Vidya Sagar
2024-04-10 20:50 ` Bjorn Helgaas
2024-04-18 17:31 ` Vidya Sagar
2024-04-18 17:40 ` [PATCH V6] " Vidya Sagar
2024-04-21 19:03 ` Bjorn Helgaas
2024-04-21 19:09 ` [PATCH v7-incomplete 0/3] " Bjorn Helgaas
2024-04-21 19:09 ` [PATCH v7-incomplete 1/3] PCI: Move PRESERVE_BOOT_CONFIG _DSM evaluation to pci_register_host_bridge() Bjorn Helgaas
2024-04-22 7:45 ` Andy Shevchenko
2024-04-21 19:09 ` [PATCH v7-incomplete 2/3] PCI: of: Add of_pci_preserve_config() for per-host bridge support Bjorn Helgaas
2024-04-21 19:09 ` Bjorn Helgaas [this message]
2024-04-22 7:43 ` [PATCH v7-incomplete 3/3] PCI: Unify ACPI and DT 'preserve config' support Andy Shevchenko
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