Hi, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> writes: >> Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> writes: >>> The component u_serial provides a glue layer between TTY layer >>> and a USB gadget device needed to provide a basic serial port >>> functionality. Currently, u_serial sits under gadget/function >>> and depends on CONFIG_USB_GADGET to be compiled and used. >>> >>> Most of the serial gadget devices are based on a UDC (USB device >>> controller) and implemented by making use of the Linux gadget >>> frameworks. But we are facing other implementions as well. One >>> example can be found with xHCI debug capability. The xHCI debug >>> capability implements a serial gadget with hardware and firmware, >>> and provides an interface similar with xHCI host for submitting >>> and reaping the transfer requests. >>> >>> In order to make better use of u_serial when implementing xHCI >>> debug capability in xHCI driver, this patch moves u_serial.c >>> from gadget/function to usb/common, and moves u_serial.h from >>> gadget/function to include/linux/usb. >>> >>> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> >> NAK, u_serial uses the gadget API. It's definitely not COMMON. >> > > Okay. It seems that I can't use u_serial anyway. I will implement > a new tty glue for my case. have you looked at drivers/usb/serial/? -- balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
