diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/mhi/ep/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index 063c07241da7..65fc1d738bec 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -1464,6 +1464,10 @@ int mhi_ep_register_controller(struct mhi_ep_cntrl *mhi_cntrl, if (!mhi_cntrl || !mhi_cntrl->cntrl_dev || !mhi_cntrl->mmio || !mhi_cntrl->irq) return -EINVAL; + if (!mhi_cntrl->read_sync || !mhi_cntrl->write_sync || + !mhi_cntrl->read_async || !mhi_cntrl->write_async) + return -EINVAL; + ret = mhi_ep_chan_init(mhi_cntrl, config); if (ret) return ret; |