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-rw-r--r--include/hw/isa/isa.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/hw/isa/isa.h b/include/hw/isa/isa.h
index ddaae89a85..d4417b34b6 100644
--- a/include/hw/isa/isa.h
+++ b/include/hw/isa/isa.h
@@ -132,12 +132,15 @@ void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start);
* @portio: the ports, sorted by offset.
* @opaque: passed into the portio callbacks.
* @name: passed into memory_region_init_io.
+ *
+ * Returns: 0 on success, negative error code otherwise (e.g. if the
+ * ISA bus is not available)
*/
-void isa_register_portio_list(ISADevice *dev,
- PortioList *piolist,
- uint16_t start,
- const MemoryRegionPortio *portio,
- void *opaque, const char *name);
+int isa_register_portio_list(ISADevice *dev,
+ PortioList *piolist,
+ uint16_t start,
+ const MemoryRegionPortio *portio,
+ void *opaque, const char *name);
static inline ISABus *isa_bus_from_device(ISADevice *d)
{