uses_pio_for_control 1410 drivers/usb/core/hcd.c if (hcd->self.uses_pio_for_control) uses_pio_for_control 2723 drivers/usb/musb/musb_host.c musb->hcd->self.uses_pio_for_control = 1; uses_pio_for_control 429 include/linux/usb.h u8 uses_pio_for_control; /*