On Thu, Jan 20, 2022 at 00:46:45AM +0800, Mark Brown wrote: >> Since the possible failure of the devm_regmap_init_mmio(), it will >> return error pointer and be assigned to the regmap. >> Then the error pointer will be dereferenced. >> For example rx->regmap will be used in rx_macro_mclk_enable(). >> Therefore, it should be better to check it. > > This doesn't apply against current code, please check and resend. I am really sorry. I have already try my best to find the latest code but fails. Please give me the url or the git repository. Sincerely thanks, Jiang