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Date: Fri, 25 Mar 2022 12:31:39 +0100
From: Clément Léger <clement.leger@...tlin.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Daniel Scally <djrscally@...il.com>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J . Wysocki" <rafael@...nel.org>,
Wolfram Sang <wsa@...nel.org>, Peter Rosin <peda@...ntia.se>,
Rob Herring <robh+dt@...nel.org>,
Frank Rowand <frowand.list@...il.com>,
Len Brown <lenb@...nel.org>
Cc: Hans de Goede <hdegoede@...hat.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Allan Nielsen <allan.nielsen@...rochip.com>,
linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
Clément Léger <clement.leger@...tlin.com>
Subject: [PATCH v3 0/9] introduce fwnode in the I2C subsystem
In order to allow the I2C subsystem to be usable with fwnode, add
some functions to retrieve an i2c_adapter from a fwnode and use
these functions in both i2c mux and sfp. ACPI and device-tree are
handled to allow these modifications to work with both descriptions.
I2C mux support has also been modified to support fwnode based
descriptions.
This series is a subset of the one that was first submitted as a larger
series to add swnode support [1]. In this one, it will be focused on
fwnode support only since it seems to have reach a consensus that
adding fwnode to subsystems makes sense.
[1] https://lore.kernel.org/netdev/YhPSkz8+BIcdb72R@smile.fi.intel.com/T/
---------------
Changes in V3:
- Add index parameter to property_read_string_array()
- Implement support for devbice-tree and software nodes
- Restrict index support for ACPI to 0
- Add unittests for of_property_read_string_array_index()
- Add unittests for fwnode_property_read_string_index()
Changes in V2:
- Remove sfp modifications
- Add property_read_string_index fwnode_operation callback
- Implement .property_read_string_index for of and swnode
- Renamed np variable to fwnode
Clément Léger (9):
of: add of_property_read_string_array_index()
of: unittests: add tests for of_property_read_string_array_index()
device property: add index argument to property_read_string_array()
callback
device property: add fwnode_property_read_string_index()
device property: add tests for fwnode_property_read_string_index()
i2c: fwnode: add fwnode_find_i2c_adapter_by_node()
i2c: of: use fwnode_get_i2c_adapter_by_node()
i2c: mux: pinctrl: remove CONFIG_OF dependency and use fwnode API
i2c: mux: add support for fwnode
drivers/acpi/property.c | 5 ++-
drivers/base/property.c | 37 ++++++++++++++++++--
drivers/base/swnode.c | 21 ++++++++----
drivers/base/test/property-entry-test.c | 18 ++++++++++
drivers/i2c/Makefile | 1 +
drivers/i2c/i2c-core-fwnode.c | 45 +++++++++++++++++++++++++
drivers/i2c/i2c-core-of.c | 30 -----------------
drivers/i2c/i2c-mux.c | 39 ++++++++++-----------
drivers/i2c/muxes/Kconfig | 1 -
drivers/i2c/muxes/i2c-mux-pinctrl.c | 23 +++++++------
drivers/of/property.c | 5 +--
drivers/of/unittest.c | 20 +++++++++++
include/linux/fwnode.h | 7 ++--
include/linux/i2c.h | 8 ++++-
include/linux/of.h | 22 ++++++++++++
include/linux/property.h | 3 ++
16 files changed, 207 insertions(+), 78 deletions(-)
create mode 100644 drivers/i2c/i2c-core-fwnode.c
--
2.34.1
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