}
};
-static void stm32_rproc_request_mbox(struct rproc *rproc)
+static int stm32_rproc_request_mbox(struct rproc *rproc)
{
struct stm32_rproc *ddata = rproc->priv;
struct device *dev = &rproc->dev;
unsigned int i;
+ int j;
const unsigned char *name;
struct mbox_client *cl;
ddata->mb[i].chan = mbox_request_channel_byname(cl, name);
if (IS_ERR(ddata->mb[i].chan)) {
+ if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER)
+ goto err_probe;
dev_warn(dev, "cannot get %s mbox\n", name);
ddata->mb[i].chan = NULL;
}
stm32_rproc_mb_vq_work);
}
}
+
+ return 0;
+
+err_probe:
+ for (j = i - 1; j >= 0; j--)
+ if (ddata->mb[j].chan)
+ mbox_free_channel(ddata->mb[j].chan);
+ return -EPROBE_DEFER;
}
static int stm32_rproc_set_hold_boot(struct rproc *rproc, bool hold)
if (ret)
goto free_wkq;
- stm32_rproc_request_mbox(rproc);
+ ret = stm32_rproc_request_mbox(rproc);
+ if (ret)
+ goto free_rproc;
ret = rproc_add(rproc);
if (ret)