diff options
| author |   Vidya Sagar <vidyas@nvidia.com> | 2024-05-08 23:11:37 +0530 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2024-06-03 16:17:49 -0500 |
| commit | 1e6922482cd429e568537f8f6cf159765b5d176f (patch) | |
| tree | 81ebd4874c3d3123e36701a7d6adafa2d342f2dc | |
| parent | PCI: of: Add of_pci_preserve_config() for per-host bridge support (diff) | |
| download | wireguard-linux-1e6922482cd429e568537f8f6cf159765b5d176f.tar.xz wireguard-linux-1e6922482cd429e568537f8f6cf159765b5d176f.zip | |
PCI: Unify ACPI and DT 'preserve config' support
Unify the 'preserve config' support across ACPI and device-tree
boot flows.
Link: https://lore.kernel.org/r/20240508174138.3630283-4-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
| -rw-r--r-- | drivers/pci/probe.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index fd6525277061..8786d2c1a0bd 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; } |