Hi, > This can describe the behavior of our current upstream driver[1], which > only support combine write-then-read. > > After checking with Xudong & HW guys, it seems our HW can do more. > On MT8135, it can support at most 2 messages, no matter read or write, > with the limitation that the length of the second message must <= > 31bytes. > > So this RFC is enough for our driver, but it would be better if we could > also support other case. Hmm, I think we can convert max_comb_{read|write}_len to max_comb_{1st|2nd}_msg_len or similar. I'll check but it will probably not before next week. Thanks for the input!
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