It makes no sense to set a PCI region that has 0 size.
Signed-off-by: Bin Meng <bmeng...@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;
--
2.7.4
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