linux-kernel - [PATCH 0/2] Add a quirk for dwc3 driver, requred for Hikey 970 USB to work

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Date:   Tue,  8 Sep 2020 09:20:55 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Felipe Balbi <balbi@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org
Subject: [PATCH 0/2] Add a quirk for dwc3 driver, requred for Hikey 970 USB to work

This small patch series add a new quirk for the dwc3 driver. The first patch
was submitted previously to the USB mailing list:

	https://patchwork.kernel.org/patch/10909965/

This quirk is also present at the official Linaro's tree for Hikey 970.

Without that, the URBs produced by the USB HID driver returns -EPROTO
errors, causing an endless reset loop, on every 0.5 seconds.

Please notice that I don't have any documentation about Synopsys
dwc3 driver. So, I tried my best to document this quirk at patch 2,
but I can't add anything more specifics, as I don't have any datasheets
from such IP.

Mauro Carvalho Chehab (1):
  dt-bindings: document a new quirk for dwc3

Yu Chen (1):
  usb: dwc3: Add splitdisable quirk for Hisilicon Kirin Soc

 .../devicetree/bindings/usb/dwc3.txt          |  3 +++
 drivers/usb/dwc3/core.c                       | 25 +++++++++++++++++++
 drivers/usb/dwc3/core.h                       |  7 ++++++
 3 files changed, 35 insertions(+)

-- 
2.26.2