Hi Jiaxin, On Fri, 2020-10-02 at 15:35 +0800, Jiaxin Yu wrote: > +static int mt8192_afe_pcm_dev_probe(struct platform_device *pdev) > +{ [...] > + /* reset controller to reset audio regs before regmap cache */ > + rstc = devm_reset_control_get(dev, "audiosys"); Please use devm_reset_control_get_exclusive() instead. regards Philipp