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-rw-r--r--hw/m48t59.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/m48t59.c b/hw/m48t59.c
index 3c26b544f5..6991e2e8e1 100644
--- a/hw/m48t59.c
+++ b/hw/m48t59.c
@@ -680,6 +680,7 @@ M48t59State *m48t59_init_isa(uint32_t io_base, uint16_t size, int type)
if (io_base != 0) {
register_ioport_read(io_base, 0x04, 1, NVRAM_readb, s);
register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, s);
+ isa_init_ioport_range(dev, io_base, 4);
}
return s;