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-rw-r--r--hw/sysbus.c3
-rw-r--r--hw/sysbus.h5
2 files changed, 5 insertions, 3 deletions
diff --git a/hw/sysbus.c b/hw/sysbus.c
index 1f7f138416..d817721420 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -82,7 +82,8 @@ void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target)
     }
 }
 
-void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc)
+void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size,
+                      ram_addr_t iofunc)
 {
     int n;
 
diff --git a/hw/sysbus.h b/hw/sysbus.h
index 1a8f289c75..5980901845 100644
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -21,7 +21,7 @@ struct SysBusDevice {
         target_phys_addr_t addr;
         target_phys_addr_t size;
         mmio_mapfunc cb;
-        int iofunc;
+        ram_addr_t iofunc;
     } mmio[QDEV_MAX_MMIO];
 };
 
@@ -39,7 +39,8 @@ typedef struct {
 void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init);
 void sysbus_register_withprop(SysBusDeviceInfo *info);
 void *sysbus_new(void);
-void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc);
+void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size,
+                      ram_addr_t iofunc);
 void sysbus_init_mmio_cb(SysBusDevice *dev, target_phys_addr_t size,
                             mmio_mapfunc cb);
 void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);