Remove io_index argument from cpu_register_io_memory()

The parameter is always zero except when registering the three internal
io regions (ROM, unassigned, notdirty).  Remove the parameter to reduce
the API's power, thus facilitating future change.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/cpu-common.h b/cpu-common.h
index 4640924a00..8f89325a84 100644
--- a/cpu-common.h
+++ b/cpu-common.h
@@ -41,8 +41,7 @@ void *qemu_get_ram_ptr(ram_addr_t addr);
 /* This should not be used by devices.  */
 ram_addr_t qemu_ram_addr_from_host(void *ptr);
 
-int cpu_register_io_memory(int io_index,
-                           CPUReadMemoryFunc **mem_read,
+int cpu_register_io_memory(CPUReadMemoryFunc **mem_read,
                            CPUWriteMemoryFunc **mem_write,
                            void *opaque);
 void cpu_unregister_io_memory(int table_address);