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From: Daniel Scally <djrscally@gmail.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	prabhakar.mahadev-lad.rj@bp.renesas.com,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
	Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
	Jacopo Mondi <jacopo+renesas@jmondi.org>,
	Rob Herring <robh@kernel.org>, David Miller <davem@davemloft.net>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Petr Mladek <pmladek@suse.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	tian.shu.qiu@intel.com, Bingbu Cao <bingbu.cao@intel.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	yong.zhi@intel.com,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	kitakar@gmail.com, dan.carpenter@oracle.org,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [RFC PATCH v3 0/9] Add functionality to ipu3-cio2 driver allowing software_node connections to sensors on platforms designed for Windows
Date: Wed, 21 Oct 2020 21:59:04 +0100	[thread overview]
Message-ID: <6aa10740-ae07-16c3-d3a2-8c42af2a259a@gmail.com> (raw)
In-Reply-To: <CAJZ5v0g2hQV9RNq3LZqrpQ5LP0rR+fxwdWcwwnzWh1g2dLdmjw@mail.gmail.com>

On 20/10/2020 14:38, Rafael J. Wysocki wrote:
> [Fix the Linus Walleij's address.]
Thanks - much appreciated
> On Tue, Oct 20, 2020 at 12:59 AM Daniel Scally <djrscally@gmail.com> wrote:
>> Hello all
>>
>> This series adds support to the ipu3-cio2 driver for fwnode connections
>> between cio2 and sensors to be defined via software_nodes. The final patch
>> in the series deals wholly with those changes - the preceding patches are
>> either supporting changes to accommodate that or incidental fixes along
>> the way:
>>
>> 1/9 adds a function to drivers/base/swnode.c unwinding arrays of software
>> nodes in reverse order
>>
>> 2/9 uses that function in lib/test_printf.c
>>
>> 3/9 fixes what seems to me to be a bug in the existing swnode.c code in
>> that software_node_get_next_child() does not increase the refcount of the
>> returned node (in contrast to, for example, of_get_next_child_node() which
>> does increase the count)
>>
>> 4/9 adds the fwnode_graph*() family of functions to the software_node
>> implementation
>>
>> 5/9 adds a T: entry to MAINTAINERS for the ipu3-cio2 driver
>>
>> 6/9 renames the ipu3-cio2.c file to ipu3-cio2-main.c and fixes Makefile
>> to accommodate that change
>>
>> 7/9 alters the ipu3-cio2 driver to check if the pci_dev's fwnode is a
>> software_node and pass flags to fwnode_graph_get_endpoint_by_id() if so
>>
>> 8/9 alters match_fwnode() in v4l2-async.c to additionally try to match on
>> a fwnode_handle's secondary if the primary doesn't match
>>
>> 9/9 alters the ipu3-cio2 driver to do the actual building of software_node
>> connections between the sensor devices and the cio2 device.
>>
>> This is still not ready for integration - hence the RFC label - as there
>> is ongoing work to extend the ipu3-cio2 driver further to parse ACPI
>> to discover resources such as regulators and GPIOs that are defined there
>> in unusual ways and map them to the sensor devices so that their drivers
>> can consume them transparently through the usual frameworks. Given this
>> has changed quite extensively from v2 though, I wanted to submit it for
>> feedback at this point in case it needs further large scale change.
> I would appreciate it if you posted the next version of this series
> (all patches) to linux-acpi@vger.kernel.org for easier review.
>
> Thanks!
Sure thing, I'll make sure to add that list to next version

      reply	other threads:[~2020-10-21 20:59 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19 22:58 [RFC PATCH v3 0/9] Add functionality to ipu3-cio2 driver allowing software_node connections to sensors on platforms designed for Windows Daniel Scally
2020-10-19 22:58 ` [RFC PATCH v3 1/9] software_node: Add helper function to unregister arrays of software_nodes ordered parent to child Daniel Scally
2020-10-20  9:22   ` Andy Shevchenko
2020-10-20 10:05   ` Sakari Ailus
2020-10-20 11:01     ` Andy Shevchenko
2020-10-20 11:02       ` Andy Shevchenko
2020-10-20 11:04       ` Heikki Krogerus
2020-10-20 22:52     ` Dan Scally
2020-10-21  9:40       ` Andy Shevchenko
2020-10-21  9:54         ` Dan Scally
2020-10-19 22:58 ` [RFC PATCH v3 2/9] lib/test_printf.c: Use helper function to unwind array of software_nodes Daniel Scally
2020-10-20  7:23   ` Petr Mladek
2020-10-20  9:20   ` Andy Shevchenko
2020-10-19 22:58 ` [RFC PATCH v3 3/9] software_node: Fix failure to hold refcount in software_node_get_next_child Daniel Scally
2020-10-20 12:44   ` Rafael J. Wysocki
2020-10-20 13:31   ` Sakari Ailus
2020-10-20 23:25     ` Dan Scally
2020-10-21  9:33       ` Andy Shevchenko
2020-10-21  9:37         ` Sakari Ailus
2020-10-21  9:56         ` Dan Scally
2020-10-19 22:58 ` [RFC PATCH v3 4/9] software_node: Add support for fwnode_graph*() family of functions Daniel Scally
2020-10-20  9:17   ` Andy Shevchenko
2020-10-20 12:35   ` Sakari Ailus
2020-10-20 13:32     ` Sakari Ailus
2020-10-19 22:58 ` [RFC PATCH v3 5/9] ipu3-cio2: Add T: entry to MAINTAINERS Daniel Scally
2020-10-20  9:16   ` Andy Shevchenko
2020-10-24  0:28   ` Laurent Pinchart
2020-10-19 22:59 ` [RFC PATCH v3 6/9] ipu3-cio2: Rename ipu3-cio2.c to allow module to be built from multiple sources files retaining ipu3-cio2 name Daniel Scally
2020-10-20  9:15   ` Andy Shevchenko
2020-10-20 20:41     ` Dan Scally
2020-10-24  0:34   ` Laurent Pinchart
2020-10-19 22:59 ` [RFC PATCH v3 7/9] ipu3-cio2: Check if pci_dev->dev's fwnode is a software_node in cio2_parse_firmware() and set FWNODE_GRAPH_DEVICE_DISABLED if so Daniel Scally
2020-10-20  9:19   ` Andy Shevchenko
2020-10-20 12:06     ` Sakari Ailus
2020-10-20 19:56       ` Dan Scally
2020-10-20 22:49         ` Sakari Ailus
2020-10-20 22:55           ` Dan Scally
2020-10-24  0:39           ` Laurent Pinchart
2020-10-24 14:29             ` Sakari Ailus
2020-10-24 16:33               ` Dan Scally
2020-10-24 16:55                 ` Laurent Pinchart
2020-10-19 22:59 ` [RFC PATCH v3 8/9] media: v4l2-core: v4l2-async: Check possible match in match_fwnode based on sd->fwnode->secondary Daniel Scally
2020-10-19 22:59 ` [RFC PATCH v3 9/9] ipu3-cio2: Add functionality allowing software_node connections to sensors on platforms designed for Windows Daniel Scally
2020-10-20  9:41   ` Andy Shevchenko
2020-10-21 22:05     ` Daniel Scally
2020-10-22 13:40       ` Andy Shevchenko
2020-10-23 10:06         ` Dan Scally
2020-10-24  1:24   ` Laurent Pinchart
2020-10-24  8:50     ` Dan Scally
2020-10-24  9:37       ` Laurent Pinchart
2020-10-24 22:28         ` Daniel Scally
2020-10-24 22:36           ` Laurent Pinchart
2020-10-24 22:50             ` Daniel Scally
2020-10-26  8:20             ` Dan Scally
2020-10-26 16:05               ` Andy Shevchenko
2020-10-29 20:17                 ` Laurent Pinchart
2020-10-29 22:36                   ` Dan Scally
2020-10-26 16:10         ` Andy Shevchenko
2020-10-29 20:19           ` Laurent Pinchart
2020-10-29 20:26             ` Andy Shevchenko
2020-10-29 21:29               ` Laurent Pinchart
2020-10-29 22:22                 ` Andy Shevchenko
2020-10-29 22:51                   ` Laurent Pinchart
2020-11-13 10:02                     ` Dan Scally
2020-11-13 16:22                       ` Laurent Pinchart
2020-11-13 19:45                         ` Andy Shevchenko
2020-11-15  8:45                           ` Daniel Scally
2020-11-16  8:53                           ` Laurent Pinchart
2020-11-16 13:57                             ` Andy Shevchenko
2020-11-16 14:10                               ` Laurent Pinchart
2020-11-16 14:15                                 ` Dan Scally
2020-11-16 16:16                                   ` Andy Shevchenko
2020-11-17 12:01                                     ` Dan Scally
2020-11-17 16:42                                       ` Andy Shevchenko
2020-11-17 22:59                                         ` Dan Scally
2020-10-24 15:11     ` Sakari Ailus
2020-10-24 15:14   ` Sakari Ailus
2020-10-24 20:28     ` Dan Scally
2020-10-25 11:18       ` Sakari Ailus
2020-10-20  9:24 ` [RFC PATCH v3 0/9] Add functionality to ipu3-cio2 driver " Andy Shevchenko
2020-10-20 13:38 ` Rafael J. Wysocki
2020-10-21 20:59   ` Daniel Scally [this message]

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