// usb-uhci.c
struct usb_s;
int uhci_init(struct usb_s *cntl);
int uhci_control(u32 endp, int dir, const void *cmd, int cmdsize
, void *data, int datasize);
// usb-uhci.c
struct usb_s;
int uhci_init(struct usb_s *cntl);
int uhci_control(u32 endp, int dir, const void *cmd, int cmdsize
, void *data, int datasize);