[Qemu-devel] [PATCH] hw/arm/virt-acpi-build: use PCIE_MMCFG_BUS to retrieve end_bus_number

[Wei Yang]

This is more proper to use PCIE_MMCFG_BUS to retrieve end_bus_number.

Signed-off-by: Wei Yang <address@hidden>
---
 hw/arm/virt-acpi-build.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index d7e2e4885b..57679a89bf 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -560,8 +560,8 @@ build_mcfg(GArray *table_data, BIOSLinker *linker, 
VirtMachineState *vms)
     /* Only a single allocation so no need to play with segments */
     mcfg->allocation[0].pci_segment = cpu_to_le16(0);
     mcfg->allocation[0].start_bus_number = 0;
-    mcfg->allocation[0].end_bus_number = (memmap[ecam_id].size
-                                          / PCIE_MMCFG_SIZE_MIN) - 1;
+    mcfg->allocation[0].end_bus_number =
+        PCIE_MMCFG_BUS(memmap[ecam_id].size - 1);
 
     build_header(linker, table_data, (void *)(table_data->data + mcfg_start),
                  "MCFG", table_data->len - mcfg_start, 1, NULL, NULL);
-- 
2.19.1