linux-kernel - [PATCH 0/8] device connection: Add support for device graphs

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Date:   Fri, 25 Jan 2019 16:15:11 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Chen Yu <chenyu56@...wei.com>, Jun Li <jun.li@....com>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/8] device connection: Add support for device graphs

Hi,

This series adds support for OF and ACPI device graph parsing to the
device connection API.

Handling the graph is straightforward, but because I'm adding that
fwnode member to struct device_connection, I had to make sure all the
existing users consider it.

The plan is to only support matching with fwnode in the future, so no
more device name matching. The software fwnodes that we now have in
kernel should make that possible, once we add support for references
to them.

The original RFC:
https://lkml.org/lkml/2018/10/24/619

thanks,

Heikki Krogerus (8):
  platform/x86: intel_cht_int33fe: Remove connection for the alt mode
    mux
  usb: typec: Rationalize the API for the muxes
  device connection: Add fwnode member to struct device_connection
  usb: typec: mux: Find the muxes by also matching against the device
    node
  usb: roles: Find the muxes by also matching against the device node
  usb: typec: Find the ports by also matching against the device node
  device connection: Prepare support for firmware described connections
  device connection: Find device connections also from device graphs

 drivers/base/devcon.c                    | 63 ++++++++++++++++-
 drivers/platform/x86/intel_cht_int33fe.c | 11 ++-
 drivers/usb/roles/class.c                | 21 +++++-
 drivers/usb/typec/class.c                | 31 ++++++---
 drivers/usb/typec/mux.c                  | 86 +++++++++++++++++++-----
 include/linux/device.h                   |  6 ++
 include/linux/usb/role.h                 |  1 +
 include/linux/usb/typec_mux.h            |  3 +-
 8 files changed, 185 insertions(+), 37 deletions(-)

-- 
2.20.1