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-rw-r--r--src/device/pci_device.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index b2e3c9ac6448..e42315166db6 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -599,8 +599,15 @@ void pci_dev_enable_resources(struct device *dev)
if (dev->on_mainboard && ops && ops->set_subsystem) {
if (CONFIG_SUBSYSTEM_VENDOR_ID)
dev->subsystem_vendor = CONFIG_SUBSYSTEM_VENDOR_ID;
+ else if (!dev->subsystem_vendor)
+ dev->subsystem_vendor = pci_read_config16(dev,
+ PCI_VENDOR_ID);
if (CONFIG_SUBSYSTEM_DEVICE_ID)
dev->subsystem_device = CONFIG_SUBSYSTEM_DEVICE_ID;
+ else if (!dev->subsystem_device)
+ dev->subsystem_device = pci_read_config16(dev,
+ PCI_DEVICE_ID);
+
printk(BIOS_DEBUG, "%s subsystem <- %04x/%04x\n",
dev_path(dev), dev->subsystem_vendor,
dev->subsystem_device);