bus: mhi: ep: Add support for async DMA read operation

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As like the async DMA write operation, let's add support for async DMA read
operation. In the async path, the data will be read from the transfer ring
continuously and when the controller driver notifies the stack using the
completion callback (mhi_ep_read_completion), then the client driver will
be notified with the read data and the completion event will be sent to the
host for the respective ring element (if requested by the host).

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

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Manivannan Sadhasivam 2023-08-21 16:53:24 +05:30

parent ee08acb58f

commit 2547beb00d

1 changed files with 89 additions and 73 deletions

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162

drivers/bus/mhi/ep/main.c

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