diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index f83520e079..032e15c669 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -1643,4 +1643,9 @@ void pci_assign_irqs(struct device *dev, const unsigned char pIntAtoD[4])
 #endif
 	}
 }
+
+void pci_dev_disable_bus_master(const struct device *dev)
+{
+	pci_update_config16(dev, PCI_COMMAND, ~PCI_COMMAND_MASTER, 0x0);
+}
 #endif
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index f091105438..4529074e9b 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -127,6 +127,7 @@ static inline int pci_base_address_is_memory_space(unsigned int attr)
 	return (attr & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_MEMORY;
 }
 
+void pci_dev_disable_bus_master(const struct device *dev);
 #endif /* CONFIG_PCI */
 
 void pci_early_bridge_init(void);