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But we are talking about the same IP used in specific scenario and this >> driver doesn't implement integration which can be used in ethernet driver. > >> I don't think you will find out any in-tree user because driver purpose is >> different. It is about providing a user way via char device to push data to axi >> streaming interface which can be consumed by user logic. It is generic way how >> to push data there without writing specialized kernel driver for custom HW. >> I think this is leaf driver which provide a way to axi fifo streaming interface > >> where stream is connected to custom HW which consumes it. I can understand that >> this can be very useful for a lot of people who wants to process data from user >> space via custom logic with using streaming interface. > >> And I don't have any issue to agree to move the driver out of staging to common >> location. > > Thanks for letting me know. When you say common location, can you give your > opinion on where it can be moved? We cannot find any user-space applications > that use this driver, as you said it is a 'leaf driver'. Because of > this, we do not know > how it is used, who the end users are and hence we dont know where it > can be moved. We have drivers/misc/ for this purpose right? There is attempt to move dt binding to yaml too but I can't see Lucas in this thread. https://lore.kernel.org/all/20260227181051.36207-1-lucas.fariamo08@gmail.com/ I was talking to our networking team and they have FIFO support on their plan with axi ethernet. Just a summary I am not convinced that this driver is in a state to be removed. Thanks, Michal