haraldwolff/qemu-patch-raspberry4
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pcspk: convert "pit" property type from ptr to link

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The speaker device needs pointer to ISA PIT device to operate. But according to
qdev-properties.h, properties of pointer type should be avoided. It seems a
link type property is a good substitution.

Signed-off-by: Efimov Vasily <real@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Efimov Vasily 2016-06-22 15:24:46 +03:00 committed by Paolo Bonzini
parent e8ad4d1680
commit 873b4d3f05
2 changed files with 8 additions and 3 deletions
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9
hw/audio/pcspk.c
View file

@ -31,6 +31,7 @@
#include "qemu/timer.h"
#include "hw/timer/i8254.h"
#include "hw/audio/pcspk.h"
#include "qapi/error.h"
#define PCSPK_BUF_LEN 1792
#define PCSPK_SAMPLE_RATE 32000
@ -169,6 +170,11 @@ static void pcspk_initfn(Object *obj)
PCSpkState *s = PC_SPEAKER(obj);
memory_region_init_io(&s->ioport, OBJECT(s), &pcspk_io_ops, s, "pcspk", 1);
object_property_add_link(obj, "pit", TYPE_I8254,
(Object **)&s->pit,
qdev_prop_allow_set_link_before_realize,
0, &error_abort);
}
static void pcspk_realizefn(DeviceState *dev, Error **errp)
@ -183,7 +189,6 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp)
static Property pcspk_properties[] = {
DEFINE_PROP_UINT32("iobase", PCSpkState, iobase, -1),
DEFINE_PROP_PTR("pit", PCSpkState, pit),
DEFINE_PROP_END_OF_LIST(),
};
@ -194,7 +199,7 @@ static void pcspk_class_initfn(ObjectClass *klass, void *data)
dc->realize = pcspk_realizefn;
set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
dc->props = pcspk_properties;
/* Reason: pointer property "pit", realize sets global pcspk_state */
/* Reason: realize sets global pcspk_state */
dc->cannot_instantiate_with_device_add_yet = true;
}

2
include/hw/audio/pcspk.h
View file

@ -38,7 +38,7 @@ static inline ISADevice *pcspk_init(ISABus *bus, ISADevice *pit)
isadev = isa_create(bus, TYPE_PC_SPEAKER);
dev = DEVICE(isadev);
qdev_prop_set_uint32(dev, "iobase", 0x61);
qdev_prop_set_ptr(dev, "pit", pit);
object_property_set_link(OBJECT(dev), OBJECT(pit), "pit", NULL);
qdev_init_nofail(dev);
return isadev;