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ppc/pnv: Link "psi" property to PnvOCC::psi pointer

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The OCC object has both a pointer and a "psi" property pointing to the
PSI object. Confusing bugs could arise if these ever go out of sync.

Change the property definition so that it explicitely sets the pointer.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157383334894.165747.7617090757862105199.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-11-15 16:55:49 +01:00 • committed by David Gibson
parent b63f389366
commit ee3d27138d
2 changed files with 13 additions and 15 deletions
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20
hw/ppc/pnv_occ.c
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@ -21,7 +21,7 @@
#include "qapi/error.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "hw/qdev-properties.h"
#include "hw/ppc/pnv.h"
#include "hw/ppc/pnv_xscom.h"
#include "hw/ppc/pnv_occ.h"
@ -257,19 +257,11 @@ static void pnv_occ_realize(DeviceState *dev, Error **errp)
{
PnvOCC *occ = PNV_OCC(dev);
PnvOCCClass *poc = PNV_OCC_GET_CLASS(occ);
Object *obj;
Error *local_err = NULL;
assert(occ->psi);
occ->occmisc = 0;
obj = object_property_get_link(OBJECT(dev), "psi", &local_err);
if (!obj) {
error_propagate(errp, local_err);
error_prepend(errp, "required link 'psi' not found: ");
return;
}
occ->psi = PNV_PSI(obj);
/* XScom region for OCC registers */
pnv_xscom_region_init(&occ->xscom_regs, OBJECT(dev), poc->xscom_ops,
occ, "xscom-occ", poc->xscom_size);
@ -279,12 +271,18 @@ static void pnv_occ_realize(DeviceState *dev, Error **errp)
occ, "occ-common-area", poc->sram_size);
}
static Property pnv_occ_properties[] = {
DEFINE_PROP_LINK("psi", PnvOCC, psi, TYPE_PNV_PSI, PnvPsi *),
DEFINE_PROP_END_OF_LIST(),
};
static void pnv_occ_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = pnv_occ_realize;
dc->desc = "PowerNV OCC Controller";
dc->props = pnv_occ_properties;
}
static const TypeInfo pnv_occ_type_info = {