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-rw-r--r--drivers/pci/pci-uclass.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index de4c71bf88..46e9c71bdf 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -1182,6 +1182,11 @@ static int _dm_pci_bus_to_phys(struct udevice *ctlr,
struct pci_region *res;
int i;
+ if (hose->region_count == 0) {
+ *pa = bus_addr;
+ return 0;
+ }
+
for (i = 0; i < hose->region_count; i++) {
res = &hose->regions[i];
@@ -1245,6 +1250,11 @@ int _dm_pci_phys_to_bus(struct udevice *dev, phys_addr_t phys_addr,
ctlr = pci_get_controller(dev);
hose = dev_get_uclass_priv(ctlr);
+ if (hose->region_count == 0) {
+ *ba = phys_addr;
+ return 0;
+ }
+
for (i = 0; i < hose->region_count; i++) {
res = &hose->regions[i];