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bus: mhi: ep: Add checks for read/write callbacks while registering controllers

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The MHI EP controller drivers has to support both sync and async read/write
callbacks. Hence, add a check for it.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Manivannan Sadhasivam 2023-11-27 16:52:07 +05:30
parent 2547beb00d
commit 309ab14f70
1 changed files with 4 additions and 0 deletions
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4
drivers/bus/mhi/ep/main.c
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@ -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;