diff mbox series

[v3,05/12] PCI: of_property: Assign PCI instead of CPU bus address to dynamic bridge nodes

Message ID f6b445b764312fd8ab96745fe4e97fb22f91ae4c.1730123575.git.andrea.porta@suse.com
State New
Headers show
Series [v3,01/12] dt-bindings: clock: Add RaspberryPi RP1 clock bindings | expand

Commit Message

Andrea della Porta Oct. 28, 2024, 2:07 p.m. UTC 
When populating "ranges" property for a PCI bridge, of_pci_prop_ranges()
incorrectly use the CPU bus address of the resource. Since this is a PCI-PCI
bridge, the window should instead be in PCI address space. Call
pci_bus_address() on the resource in order to obtain the PCI bus
address.

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
---
 drivers/pci/of_property.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pci/of_property.c b/drivers/pci/of_property.c
index 5a0b98e69795..886c236e5de6 100644
--- a/drivers/pci/of_property.c
+++ b/drivers/pci/of_property.c
@@ -126,7 +126,7 @@  static int of_pci_prop_ranges(struct pci_dev *pdev, struct of_changeset *ocs,
 		if (of_pci_get_addr_flags(&res[j], &flags))
 			continue;
 
-		val64 = res[j].start;
+		val64 = pci_bus_address(pdev, &res[j] - pdev->resource);
 		of_pci_set_address(pdev, rp[i].parent_addr, val64, 0, flags,
 				   false);
 		if (pci_is_bridge(pdev)) {