It makes no sense to set a PCI region that has 0 size.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
drivers/pci/pci-uclass.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 9d51236..a2e8296 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -897,8 +897,9 @@ static int decode_regions(struct pci_controller *hose, ofnode parent_node, #endif if (gd->pci_ram_top && gd->pci_ram_top < base + size) size = gd->pci_ram_top - base; - pci_set_region(hose->regions + hose->region_count++, base, base, - size, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); + if (size) + pci_set_region(hose->regions + hose->region_count++, base, + base, size, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); #endif
return 0;