linux-kernel - [PATCH 0/4] Remove struct device

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Date:   Fri,  4 Sep 2020 15:51:19 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [PATCH 0/4] Remove struct device_connection

Hi,

The purpose of the struct device_connection was to allow
connections between devices to be described somehow when the
firmware did not do that. Later support for also firmware
described connections, for example walking device graph, was
added to the API. But now software nodes make it possible to
describe for example device graph if needed, so we don't
need a separate method of describing the connections.

All the users of struct device_connection have now been
concerted to use software nodes instead, so we can remove
the data structure, and the list for it.

thanks,

Heikki Krogerus (4):
  device connection: Remove device_connection_find()
  device connection: Remove device_connection_add()
  device connection: Remove struct device_connection
  device property: Move fwnode_connection_find_match() under
    drivers/base/property.c

 .../driver-api/device_connection.rst          |  43 ----
 drivers/base/Makefile                         |   2 +-
 drivers/base/devcon.c                         | 231 ------------------
 drivers/base/property.c                       |  73 ++++++
 drivers/usb/roles/class.c                     |  12 +-
 drivers/usb/typec/mux.c                       |  19 +-
 include/linux/device.h                        |  56 -----
 include/linux/property.h                      |  14 ++
 8 files changed, 102 insertions(+), 348 deletions(-)
 delete mode 100644 Documentation/driver-api/device_connection.rst
 delete mode 100644 drivers/base/devcon.c

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2.28.0