From: Felipe Balbi <felipe.balbi@linux.intel.com>
To: Lu Baolu <baolu.lu@linux.intel.com>,
Mathias Nyman <mathias.nyman@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common
Date: Mon, 07 Aug 2017 11:13:06 +0300 [thread overview]
Message-ID: <87inhzaj8t.fsf@linux.intel.com> (raw)
In-Reply-To: <1502093269-15978-3-git-send-email-baolu.lu@linux.intel.com>
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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.
--
balbi
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next prev parent reply other threads:[~2017-08-07 8:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-07 8:07 [PATCH v2 0/4] usb: xhci: Add debug capability support in xhci Lu Baolu
2017-08-07 8:07 ` [PATCH v2 1/4] usb: xhci: Make some static functions global Lu Baolu
2017-08-07 8:07 ` [PATCH v2 2/4] usb: common: Move u_serial from gadget/function to usb/common Lu Baolu
2017-08-07 8:13 ` Felipe Balbi [this message]
2017-08-08 1:25 ` Lu Baolu
2017-08-08 6:14 ` Felipe Balbi
2017-08-09 2:37 ` Lu Baolu
2017-08-07 8:07 ` [PATCH v2 3/4] usb: xhci: Add DbC support in xHCI driver Lu Baolu
2017-08-07 8:07 ` [PATCH v2 4/4] usb: doc: Update document for USB3 debug port usage Lu Baolu
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