Hi Marek, > This problem is known for ages, there were number of attempts to add Yes, I heard of it, too. > support for deferred probe or solve the problem of deferred UDC driver > probe, but none got accepted so far: Then they need to be worked on. AFAIK the rejection is based on implementation details, not because the feature itself is not wanted, or? > Till now it worked somehow for boards with older i2c bus drivers, which > were registered in subsys initcall. Boards, which use newer i2c bus drivers > cannot be used with usb gadgets compiled-in. Yes, because the above issue needs to be *fixed*, not workarounded. You still have the option to carry your patch out-of-tree if fixing the issue is not an option for you. We already had problems here when someone tried to revert subsys_initcall to module_init because of other dependency issues on another particular board. So, the pain should really go where the fixing is needed. I hope you understand, Wolfram
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