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-rw-r--r--hw/ppc/spapr_vio.c11
-rw-r--r--include/hw/ppc/spapr_vio.h1
2 files changed, 10 insertions, 2 deletions
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index f14944e900..0b085eabe4 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -87,6 +87,7 @@ static int vio_make_devnode(SpaprVioDevice *dev,
     SpaprVioDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
     int vdevice_off, node_off, ret;
     char *dt_name;
+    const char *dt_compatible;
 
     vdevice_off = fdt_path_offset(fdt, "/vdevice");
     if (vdevice_off < 0) {
@@ -113,9 +114,15 @@ static int vio_make_devnode(SpaprVioDevice *dev,
         }
     }
 
-    if (pc->dt_compatible) {
+    if (pc->get_dt_compatible) {
+        dt_compatible = pc->get_dt_compatible(dev);
+    } else {
+        dt_compatible = pc->dt_compatible;
+    }
+
+    if (dt_compatible) {
         ret = fdt_setprop_string(fdt, node_off, "compatible",
-                                 pc->dt_compatible);
+                                 dt_compatible);
         if (ret < 0) {
             return ret;
         }
diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h
index ce6d9b0c66..bed7df60e3 100644
--- a/include/hw/ppc/spapr_vio.h
+++ b/include/hw/ppc/spapr_vio.h
@@ -58,6 +58,7 @@ typedef struct SpaprVioDeviceClass {
     void (*realize)(SpaprVioDevice *dev, Error **errp);
     void (*reset)(SpaprVioDevice *dev);
     int (*devnode)(SpaprVioDevice *dev, void *fdt, int node_off);
+    const char *(*get_dt_compatible)(SpaprVioDevice *dev);
 } SpaprVioDeviceClass;
 
 struct SpaprVioDevice {