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, 1 deletions

diff --git a/hw/e1000.c b/hw/e1000.c
index eed02a6..0dd3a12 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1101,7 +1101,7 @@ static void pci_e1000_init(PCIDevice *pci_dev)
 
     pci_conf[0x3d] = 1; // interrupt pin 0
 
-    d->mmio_index = cpu_register_io_memory(0, e1000_mmio_read,
+    d->mmio_index = cpu_register_io_memory(e1000_mmio_read,
             e1000_mmio_write, d);
 
     pci_register_io_region((PCIDevice *)d, 0, PNPMMIO_SIZE,