isa: Tidy support code for isabus_get_fw_dev_path

The only user of ISADevice.ioports is isabus_get_fw_dev_path, and it
only looks at the first entry of the array.  Which suggests that this
entire array+sort operation can be replaced by a simple minimum.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/hw/isa.h b/hw/isa.h
index 432d17a..c5c2618 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -13,12 +13,9 @@ typedef struct ISADeviceInfo ISADeviceInfo;
 
 struct ISADevice {
     DeviceState qdev;
-    MemoryRegion *io[32];
     uint32_t isairq[2];
-    uint16_t ioports[32];
     int nirqs;
-    int nioports;
-    int nio;
+    int ioport_id;
 };
 
 typedef int (*isa_qdev_initfn)(ISADevice *dev);