rwtm->mbox_client.rx_callback = mox_rwtm_rx_callback;
rwtm->mbox = mbox_request_channel(&rwtm->mbox_client, 0);
- if (IS_ERR(rwtm->mbox)) {
- ret = PTR_ERR(rwtm->mbox);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Cannot request mailbox channel: %i\n",
- ret);
- return ret;
- }
+ if (IS_ERR(rwtm->mbox))
+ return dev_err_probe(dev, PTR_ERR(rwtm->mbox),
+ "Cannot request mailbox channel!\n");
ret = devm_add_action_or_reset(dev, rwtm_devm_mbox_release, rwtm->mbox);
if (ret)
rwtm->hwrng.priv = (unsigned long) rwtm;
ret = devm_hwrng_register(dev, &rwtm->hwrng);
- if (ret < 0) {
- dev_err(dev, "Cannot register HWRNG: %i\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "Cannot register HWRNG!\n");
rwtm_register_debugfs(rwtm);