linux-kernel - [PATCH v2 0/6] usb: gadget: aspeed: allow to customize vhub device

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Date:   Sun, 15 Mar 2020 12:16:26 -0700
From:   rentao.bupt@...il.com
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Colin Ian King <colin.king@...onical.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        taoren@...com
Cc:     Tao Ren <rentao.bupt@...il.com>
Subject: [PATCH v2 0/6] usb: gadget: aspeed: allow to customize vhub device

From: Tao Ren <rentao.bupt@...il.com>

This patch series allows people to customize aspeed-usb-vhub device IDs
and strings via device tree.

Patch #1 converts the single "usb_gadget_strings" instance to a list of
"usb_gadget_strings" so it's more convenient to support miltiple
languages.

Patch #2 moves LANGID validation code from configfs.c to usbstring.c so
it can be used by aspeed-vhub driver.

Patch #3 initializes aspeed-vhub strings with default, or from device
tree if according device tree properties are defined.

Patch #4 overrides aspeed-vhub's device IDs if according properties are
defined in device tree.

Patch #5 moves fixup-usb1-dev-desc logic from get-descriptor handler to
vhub-init time so the descriptor is patched only once.

Patch #6 documents new device tree properties in dt-binding document.

Tao Ren (6):
  usb: gadget: aspeed: support multiple language strings
  usb: gadget: add "usb_validate_langid" function
  usb: gadget: aspeed: allow to set usb strings in device tree
  usb: gadget: aspeed: allow to set device IDs in device tree
  usb: gadget: aspeed: fixup usb1 device descriptor at init time
  dt-bindings: usb: document aspeed vhub device ID/string properties

 .../bindings/usb/aspeed,usb-vhub.yaml         |  68 +++++
 drivers/usb/gadget/configfs.c                 |  14 +-
 drivers/usb/gadget/udc/aspeed-vhub/core.c     |   4 +-
 drivers/usb/gadget/udc/aspeed-vhub/hub.c      | 236 ++++++++++++++++--
 drivers/usb/gadget/udc/aspeed-vhub/vhub.h     |   4 +-
 drivers/usb/gadget/usbstring.c                |  24 ++
 include/linux/usb/gadget.h                    |   3 +
 7 files changed, 312 insertions(+), 41 deletions(-)

-- 
2.17.1