> Another simple solution would be to move the implementation of > i2c_root_adapter() from i2c mux to i2c core. It just uses > i2c_parent_is_i2c_adapter() which is an inline function of > i2c core. What do you think? I have no objections putting i2c_root_adapter() into the core. I think, however, that this patch makes the code a tad more readable. What is the downside of the symbol (despite we have way too many of those in general)?
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