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Date: Mon, 3 Apr 2017 15:20:28 +0300
From: Roger Quadros <rogerq@...com>
To: <balbi@...nel.org>
CC: <vivek.gautam@...eaurora.org>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Roger Quadros <rogerq@...com>
Subject: [PATCH v3 0/3] usb: dwc3: dual-role support
Hi,
Taking a simplistic approach this time. We don't use the OTG controller
block at all. Instead we just rely on ID events via extcon framework.
I tried to get rid of workqueue but unfortunately it causes too much pain
when the UDC is unregistered.
https://hastebin.com/upugaqogol.xml
https://hastebin.com/yayaduqodo.xml
So I've still kept the workqueue around.
We also have debugfs role switching, but I don't yet see how we
can use this for real testing as I still need to manually plug/unplug
the USB cables (host vs device) to test switching :).
v3:
- restructure and simplify. Remove OTG controller code, only rely on extcon.
cheers,
-roger
Roger Quadros (3):
usb: udc: allow adding and removing the same gadget device
usb: dwc3: make role-switching work with debugfs/mode
usb: dwc3: Add dual-role support
drivers/usb/dwc3/Makefile | 4 +
drivers/usb/dwc3/core.c | 18 ++---
drivers/usb/dwc3/core.h | 22 ++++++
drivers/usb/dwc3/debugfs.c | 49 +++++++++++--
drivers/usb/dwc3/drd.c | 167 ++++++++++++++++++++++++++++++++++++++++++
drivers/usb/gadget/udc/core.c | 1 +
6 files changed, 242 insertions(+), 19 deletions(-)
create mode 100644 drivers/usb/dwc3/drd.c
--
2.7.4
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