Messages in this thread |  | | Subject | Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common | From | Lu Baolu <> | Date | Tue, 8 Aug 2017 09:25:24 +0800 |
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Hi,
On 08/07/2017 04:13 PM, Felipe Balbi wrote: > Hi, > > Lu Baolu <baolu.lu@linux.intel.com> 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@linux.intel.com> > 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.
Best regards, Lu Baolu
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