BCM_MSG_SVC_MAX
mbox->controller.num_chans = BCM_MSG_SVC_MAX;
mbox->controller.chans = devm_kcalloc(dev, BCM_MSG_SVC_MAX,
mbox->mbox_chan = devm_kcalloc(dev, BCM_MSG_SVC_MAX,
for (i = 0; i < BCM_MSG_SVC_MAX; i++) {