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-rw-r--r--src/fw/pciinit.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/fw/pciinit.c b/src/fw/pciinit.c
index 6b13cd5..bb44dc2 100644
--- a/src/fw/pciinit.c
+++ b/src/fw/pciinit.c
@@ -970,9 +970,11 @@ static int pci_bios_check_devices(struct pci_bus *busses)
int resource_optional = 0;
if (hotplug_support == HOTPLUG_PCIE)
resource_optional = pcie_cap && (type == PCI_REGION_TYPE_IO);
+
+ u64 top_align = pci_mem64_top >> 11;
if (hotplug_support && pci_pad_mem64 && is64
- && (type == PCI_REGION_TYPE_PREFMEM))
- align = pci_mem64_top >> 11;
+ && (type == PCI_REGION_TYPE_PREFMEM) && (top_align > align))
+ align = top_align;
if (align > sum && hotplug_support && !resource_optional)
sum = align; /* reserve min size for hot-plug */
if (size > sum) {