The SDHCI is a SD master, let it implement the SD_BUS_MASTER interface,
this even allow remove the SDHCI_BUS type.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sd/sdhci.c | 30 +++++++++---------------------
 1 file changed, 9 insertions(+), 21 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 40596f6ebe..d8188fdc2a 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -35,9 +35,6 @@
 #include "qemu/log.h"
 #include "trace.h"
 
-#define TYPE_SDHCI_BUS "sdhci-bus"
-#define SDHCI_BUS(obj) OBJECT_CHECK(SDBus, (obj), TYPE_SDHCI_BUS)
-
 /* Default SD/MMC host controller features information, which will be
  * presented in CAPABILITIES register of generic SD host controller at reset.
  * If not stated otherwise:
@@ -1279,11 +1276,15 @@ static Property sdhci_properties[] = {
 static void sdhci_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    SDBusClass *sbc = SDBUS_MASTER_CLASS(klass);
 
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     dc->vmsd = &sdhci_vmstate;
     dc->props = sdhci_properties;
     dc->reset = sdhci_poweron_reset;
+
+    sbc->set_inserted = sdhci_set_inserted;
+    sbc->set_readonly = sdhci_set_readonly;
 }
 
 /* --- qdev PCI --- */
@@ -1328,6 +1329,7 @@ static const TypeInfo sdhci_pci_info = {
     .instance_size = sizeof(SDHCIState),
     .class_init = sdhci_pci_class_init,
     .interfaces = (InterfaceInfo[]) {
+        { TYPE_SD_BUS_MASTER_INTERFACE },
         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { },
     },
@@ -1383,30 +1385,16 @@ static const TypeInfo sdhci_sysbus_info = {
     .instance_init = sdhci_sysbus_init,
     .instance_finalize = sdhci_sysbus_finalize,
     .class_init = sdhci_sysbus_class_init,
-};
-
-/* --- qdev bus master --- */
-
-static void sdhci_bus_class_init(ObjectClass *klass, void *data)
-{
-    SDBusClass *sbc = SD_BUS_CLASS(klass);
-
-    sbc->set_inserted = sdhci_set_inserted;
-    sbc->set_readonly = sdhci_set_readonly;
-}
-
-static const TypeInfo sdhci_bus_info = {
-    .name = TYPE_SDHCI_BUS,
-    .parent = TYPE_SD_BUS,
-    .instance_size = sizeof(SDBus),
-    .class_init = sdhci_bus_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_SD_BUS_MASTER_INTERFACE },
+        { },
+    },
 };
 
 static void sdhci_register_types(void)
 {
     type_register_static(&sdhci_pci_info);
     type_register_static(&sdhci_sysbus_info);
-    type_register_static(&sdhci_bus_info);
 }
 
 type_init(sdhci_register_types)
-- 
2.15.1