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ppc/pnv: Link "chip" property to PnvCore::chip pointer 

The core object has both a pointer and a "chip" property pointing to the
chip 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: <157383336007.165747.1524120147081367440.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-11-15 16:56:00 +01:00 committed by David Gibson
parent f2582acf99
commit 158e17a65e
2 changed files with 4 additions and 10 deletions
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4
hw/ppc/pnv.c
View File

@ -1327,8 +1327,8 @@ static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
object_property_set_int(OBJECT(pnv_core),
pcc->core_pir(chip, core_hwid),
"pir", &error_fatal);
object_property_add_const_link(OBJECT(pnv_core), "chip",
OBJECT(chip), &error_fatal);
object_property_set_link(OBJECT(pnv_core), OBJECT(chip), "chip",
&error_abort);
object_property_set_bool(OBJECT(pnv_core), true, "realized",
&error_fatal);

10
hw/ppc/pnv_core.c
View File

@ -217,15 +217,8 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
void *obj;
int i, j;
char name[32];
Object *chip;
chip = object_property_get_link(OBJECT(dev), "chip", &local_err);
if (!chip) {
error_propagate_prepend(errp, local_err,
"required link 'chip' not found: ");
return;
}
pc->chip = PNV_CHIP(chip);
assert(pc->chip);
pc->threads = g_new(PowerPCCPU *, cc->nr_threads);
for (i = 0; i < cc->nr_threads; i++) {
@ -297,6 +290,7 @@ static void pnv_core_unrealize(DeviceState *dev, Error **errp)
static Property pnv_core_properties[] = {
DEFINE_PROP_UINT32("pir", PnvCore, pir, 0),
DEFINE_PROP_LINK("chip", PnvCore, chip, TYPE_PNV_CHIP, PnvChip *),
DEFINE_PROP_END_OF_LIST(),
};