On Tue, 2021-03-02 at 18:59 +0800, Greentime Hu wrote: [...] > +static int fu740_pcie_probe(struct platform_device *pdev) > +{ [...] > + /* Fetch reset */ > + afp->rst = devm_reset_control_get(dev, NULL); Please use afp->rst = devm_reset_control_get_exclusive(dev, NULL); regards Philipp