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nios2: iic: Convert CPU prop to qom link

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Add a const qom link between the CPU and the IIC instead
of passing the CPU link through a qom property.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20170317210627.23532-1-marex@denx.de
Cc: Alexander Graf <agraf@suse.de>
Cc: Chris Wulff <crwulff@gmail.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Jeff Da Silva <jdasilva@altera.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Sandra Loosemore <sandra@codesourcery.com>
Cc: Yves Vandervennet <yvanderv@altera.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marek Vasut 2017-03-17 22:06:27 +01:00 committed by Peter Maydell
parent 96dd9c89c1
commit ebedf0f9cd
2 changed files with 7 additions and 9 deletions
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13
hw/intc/nios2_iic.c
View file

@ -62,17 +62,15 @@ static void altera_iic_init(Object *obj)
sysbus_init_irq(SYS_BUS_DEVICE(obj), &pv->parent_irq);
}
static Property altera_iic_properties[] = {
DEFINE_PROP_PTR("cpu", AlteraIIC, cpu),
DEFINE_PROP_END_OF_LIST(),
};
static void altera_iic_realize(DeviceState *dev, Error **errp)
{
struct AlteraIIC *pv = ALTERA_IIC(dev);
Error *err = NULL;
pv->cpu = object_property_get_link(OBJECT(dev), "cpu", &err);
if (!pv->cpu) {
error_setg(errp, "altera,iic: CPU not connected");
error_setg(errp, "altera,iic: CPU link not found: %s",
error_get_pretty(err));
return;
}
}
@ -81,8 +79,7 @@ static void altera_iic_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->props = altera_iic_properties;
/* Reason: pointer property "cpu" */
/* Reason: needs to be wired up, e.g. by nios2_10m50_ghrd_init() */
dc->cannot_instantiate_with_device_add_yet = true;
dc->realize = altera_iic_realize;
}

3
hw/nios2/10m50_devboard.c
View file

@ -82,7 +82,8 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
/* Register: Internal Interrupt Controller (IIC) */
dev = qdev_create(NULL, "altera,iic");
qdev_prop_set_ptr(dev, "cpu", cpu);
object_property_add_const_link(OBJECT(dev), "cpu", OBJECT(cpu),
&error_abort);
qdev_init_nofail(dev);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq[0]);
for (i = 0; i < 32; i++) {