Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common

From	Felipe Balbi <felipe.balbi@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common
Date	2017-08-08 08:20 +0200
Message-ID	<uc61Y-3Rd-13@gated-at.bofh.it> (permalink)
References	<ubLqy-5J4-11@gated-at.bofh.it> <ubLqy-5J4-13@gated-at.bofh.it> <ubLqy-5J4-9@gated-at.bofh.it> <uc1vk-wk-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi,

Lu Baolu <baolu.lu@linux.intel.com> writes:
>> 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.

have you looked at drivers/usb/serial/?

-- 
balbi

Thread

Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common Felipe Balbi <felipe.balbi@linux.intel.com> - 2017-08-07 10:20 +0200
  Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to  usb/common Lu Baolu <baolu.lu@linux.intel.com> - 2017-08-08 03:30 +0200
    Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common Felipe Balbi <felipe.balbi@linux.intel.com> - 2017-08-08 08:20 +0200
      Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to  usb/common Lu Baolu <baolu.lu@linux.intel.com> - 2017-08-09 04:40 +0200

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