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[PATCH v2 10/18] hw/isa/superio: Make the components QOM children
From: |
Markus Armbruster |
Subject: |
[PATCH v2 10/18] hw/isa/superio: Make the components QOM children |
Date: |
Tue, 5 May 2020 17:29:18 +0200 |
isa_superio_realize() attempts to make isa-parallel and isa-serial QOM
children, but this does not work, because it calls
object_property_add_child() after realizing with qdev_init_nofail().
Realizing a device without a parent gives it one: it gets put into the
"/machine/unattached/" orphanage. The extra
object_property_add_child() fails, and isa_superio_realize() ignores
the error.
Move the object_property_add_child() before qdev_init_nofail(), and
pass &error_abort.
For the other components, isa_superio_realize() doesn't even try. Add
object_property_add_child() there.
This affects machines 40p, clipper and fulong2e.
For instance, fulong2e has its vt82c686b-superio (which is an
isa-superio) at /machine/unattached/device[9]. Before the patch, its
components are at /machine/unattached/device[10] .. [14]. Afterwards,
they are at
/machine/unattached/device[9]/{parallel0,serial0,serial1,isa-fdc,i8042}.
Cc: Michael S. Tsirkin <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Paolo Bonzini <address@hidden>
---
hw/isa/isa-superio.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c
index 180a8b9625..0d9d848280 100644
--- a/hw/isa/isa-superio.c
+++ b/hw/isa/isa-superio.c
@@ -62,6 +62,8 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
qdev_prop_set_uint32(d, "irq", k->parallel.get_irq(sio, i));
}
qdev_prop_set_chr(d, "chardev", chr);
+ object_property_add_child(OBJECT(sio), name, OBJECT(isa),
+ &error_abort);
qdev_init_nofail(d);
sio->parallel[i] = isa;
trace_superio_create_parallel(i,
@@ -69,8 +71,6 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
k->parallel.get_iobase(sio, i) : -1,
k->parallel.get_irq ?
k->parallel.get_irq(sio, i) : -1);
- object_property_add_child(OBJECT(dev), name,
- OBJECT(sio->parallel[i]), NULL);
g_free(name);
}
}
@@ -102,6 +102,8 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
qdev_prop_set_uint32(d, "irq", k->serial.get_irq(sio, i));
}
qdev_prop_set_chr(d, "chardev", chr);
+ object_property_add_child(OBJECT(sio), name, OBJECT(isa),
+ &error_abort);
qdev_init_nofail(d);
sio->serial[i] = isa;
trace_superio_create_serial(i,
@@ -109,8 +111,6 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
k->serial.get_iobase(sio, i) : -1,
k->serial.get_irq ?
k->serial.get_irq(sio, i) : -1);
- object_property_add_child(OBJECT(dev), name,
- OBJECT(sio->serial[0]), NULL);
g_free(name);
}
}
@@ -137,6 +137,8 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
qdev_prop_set_drive(d, "driveB", blk_by_legacy_dinfo(drive),
&error_fatal);
}
+ object_property_add_child(OBJECT(sio), "isa-fdc", OBJECT(isa),
+ &error_abort);
qdev_init_nofail(d);
sio->floppy = isa;
trace_superio_create_floppy(0,
@@ -147,7 +149,11 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
}
/* Keyboard, mouse */
- sio->kbc = isa_create_simple(bus, TYPE_I8042);
+ isa = isa_create(bus, TYPE_I8042);
+ object_property_add_child(OBJECT(sio), TYPE_I8042, OBJECT(isa),
+ &error_abort);
+ qdev_init_nofail(DEVICE(isa));
+ sio->kbc = isa;
/* IDE */
if (k->ide.count && (!k->ide.is_enabled || k->ide.is_enabled(sio, 0))) {
@@ -163,6 +169,8 @@ static void isa_superio_realize(DeviceState *dev, Error
**errp)
qdev_prop_set_uint32(d, "irq", k->ide.get_irq(sio, 0));
}
qdev_init_nofail(d);
+ object_property_add_child(OBJECT(sio), "isa-ide", OBJECT(isa),
+ &error_abort);
sio->ide = isa;
trace_superio_create_ide(0,
k->ide.get_iobase ?
--
2.21.1
- [PATCH v2 05/18] qom: Drop convenience method object_property_get_uint16List(), (continued)
- [PATCH v2 05/18] qom: Drop convenience method object_property_get_uint16List(), Markus Armbruster, 2020/05/05
- [PATCH v2 02/18] qom: Clean up inconsistent use of gchar * vs. char *, Markus Armbruster, 2020/05/05
- [PATCH v2 13/18] qdev: Clean up qdev_connect_gpio_out_named(), Markus Armbruster, 2020/05/05
- [PATCH v2 06/18] qom: Make all the object_property_add_FOO() return the property, Markus Armbruster, 2020/05/05
- [PATCH v2 08/18] tests/check-qom-proplist: Improve iterator coverage, Markus Armbruster, 2020/05/05
- [PATCH v2 15/18] Drop more @errp parameters after previous commit, Markus Armbruster, 2020/05/05
- [PATCH v2 18/18] qom: Drop @errp parameter of object_property_del(), Markus Armbruster, 2020/05/05
- [PATCH v2 10/18] hw/isa/superio: Make the components QOM children,
Markus Armbruster <=
- [PATCH v2 17/18] spapr_pci: Drop some dead error handling, Markus Armbruster, 2020/05/05
- [PATCH v2 03/18] qom: Drop object_property_del_child()'s unused parameter @errp, Markus Armbruster, 2020/05/05
- [PATCH v2 09/18] s390x/cpumodel: Fix UI to CPU features pcc-cmac-{aes, eaes}-256, Markus Armbruster, 2020/05/05
- [PATCH v2 12/18] hw/arm/bcm2835: Drop futile attempts at QOM-adopting memory, Markus Armbruster, 2020/05/05
- [PATCH v2 07/18] qom: Drop object_property_set_description() parameter @errp, Markus Armbruster, 2020/05/05
- [PATCH v2 16/18] qdev: Unrealize must not fail, Markus Armbruster, 2020/05/05