On Wed, Oct 12, 2022 at 06:25:11PM +0800, Jim Lin wrote: > +static inline struct tegra_xusb *hcd_to_tegra_xusb(struct usb_hcd *hcd) > +{ > + return (struct tegra_xusb *) dev_get_drvdata(hcd->self.controller); No need for the cast (and if there was, no need for the extra space). thanks, greg k-h