01.11.2020 18:44, Chanwoo Choi пишет: >> OPP core will try to grab the clock reference for the table and it may >> cause EPROBE_DEFER. Although, it shouldn't happen here because we have >> devm_clk_get() before the get_opp_table(), hence seems the deferred >> probe indeed shouldn't happen in this case. > It is my missing point. If there, you're right. > Could you provide the code point to check the clock reference on the OPP core? Please see it here: https://elixir.bootlin.com/linux/v5.10-rc1/source/drivers/opp/core.c#L1101