static DEFINE_MUTEX(pci_epf_mutex);
-static struct bus_type pci_epf_bus_type;
+static const struct bus_type pci_epf_bus_type;
static const struct device_type pci_epf_type;
/**
epf->driver = NULL;
}
-static struct bus_type pci_epf_bus_type = {
+static const struct bus_type pci_epf_bus_type = {
.name = "pci-epf",
.match = pci_epf_device_match,
.probe = pci_epf_device_probe,