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macio: Delete unused "macio-gpio" devices

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These devices go with the "via-pmu" device, which is controlled by
property "has-pmu".  macio_newworld_init() creates it unconditionally,
because the property has not been set then.  macio_newworld_realize()
realizes it only when the property is true.  Works, although it can
leave an unrealized device hanging around in the QOM composition tree.
Affects machine mac99 with via=cuda (default).

Delete the unused device by making macio_newworld_realize() unparent
it.  Visible in "info qom-tree":

     /machine (mac99-machine)
       [...]
       /unattached (container)
         /device[9] (macio-newworld)
           [...]
           /escc-legacy-port[8] (qemu:memory-region)
           /escc-legacy-port[9] (qemu:memory-region)
           /escc-legacy[0] (qemu:memory-region)
    -      /gpio (macio-gpio)
    -        /gpio[0] (qemu:memory-region)
           /ide[0] (macio-ide)
             /ide.0 (IDE)
             /pmac-ide[0] (qemu:memory-region)

Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: qemu-ppc@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20200609122339.937862-11-armbru@redhat.com>
This commit is contained in:
Markus Armbruster
2020-06-15 21:36:21 +02:00
parent 3d81f594fd
commit 33208432f5
1 changed files with 2 additions and 0 deletions
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hw/misc/macio/macio.c
+2
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@@ -368,6 +368,8 @@ static void macio_newworld_realize(PCIDevice *d, Error **errp)
memory_region_add_subregion(&s->bar, 0x16000,
sysbus_mmio_get_region(sysbus_dev, 0));
} else {
object_unparent(OBJECT(&ns->gpio));
/* CUDA */
object_initialize_child(OBJECT(s), "cuda", &s->cuda, sizeof(s->cuda),
TYPE_CUDA, &error_abort, NULL);