linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: "Enrico Weigelt, metux IT consult" <info@metux.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Pantelis Antoniou <pantelis.antoniou@konsulko.com>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	devicetree <devicetree@vger.kernel.org>
Subject: Re: [RFC PATCH 11/12] platform/x86: skeleton for oftree based board device initialization
Date: Wed, 10 Feb 2021 12:32:39 +0200	[thread overview]
Message-ID: <CAHp75Vd9ui5bttkrG0KQLqecS_-5m_mPQHfdawpLhx7+YObrYQ@mail.gmail.com> (raw)
In-Reply-To: <20210208222203.22335-12-info@metux.net>

On Tue, Feb 9, 2021 at 12:27 AM Enrico Weigelt, metux IT consult
<info@metux.net> wrote:
>
> Lots of boards have extra devices that can't be fully probed via bus'es
> (like PCI) or generic firmware mechanisms like ACPI. Often those capabilities
> are just partial or even highly depend on firmware version.
>
> Instead of hand-writing board specific drivers merely for the correct
> initialization / parameterization of generic drivers, hereby introducing
> a generic mechanism, using the already well supported oftree.
>
> These oftrees are compiled into the driver, which first tries to match
> machine identifications (eg. DMI strings) against rules defined in the
> individual oftrees, and on success, probes the devices that are defined
> by them.
>
> For the time being, we just support matching on DMI_BOARD_NAME and
> DMI_SYS_VENDOR - other criteria, even bus- or ACPI-id's can be added later,
> when needed.

This is weird and seems it missed the fact of the DMI based modprobe
mechanism that the kernel has for ages.

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2021-02-10 10:38 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 22:21 RFC: oftree based setup of composite board devices Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 01/12] of: base: improve error message in of_phandle_iterator_next() Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 02/12] of: base: introduce of_find_node_by_phandle_from() Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 03/12] of: base: record root node in interator and use it for phandle lookup Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 04/12] of: base: introduce of_match_string() Enrico Weigelt, metux IT consult
2021-02-08 23:52   ` Rob Herring
2021-02-08 22:21 ` [RFC PATCH 05/12] of: kobj: __of_attach_node_sysfs(): add optional basename parameter Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 06/12] of: kobj: introduce of_attach_tree_sysfs() Enrico Weigelt, metux IT consult
2021-02-08 22:21 ` [RFC PATCH 07/12] gpio: amd-fch: add oftree probing support Enrico Weigelt, metux IT consult
2021-02-11  9:57   ` Bartosz Golaszewski
2021-03-01 14:51   ` Linus Walleij
2021-03-11 10:17     ` Enrico Weigelt, metux IT consult
2021-03-11 10:42       ` Andy Shevchenko
2021-03-18  8:00         ` Enrico Weigelt, metux IT consult
2021-03-25  9:09           ` Linus Walleij
2021-02-08 22:21 ` [RFC PATCH 08/12] drivers: base: introduce bus_remove_device_by_name() Enrico Weigelt, metux IT consult
2021-02-08 22:22 ` [RFC PATCH 09/12] drivers: base: reintroduce find_bus() Enrico Weigelt, metux IT consult
2021-02-13 10:20   ` Greg KH
2021-02-23 20:13     ` Enrico Weigelt, metux IT consult
2021-02-24  8:00       ` Greg KH
2021-02-24 15:30         ` Enrico Weigelt, metux IT consult
2021-02-24 16:28           ` Greg KH
2021-02-08 22:22 ` [RFC PATCH 10/12] export bus_get() / bus_put() Enrico Weigelt, metux IT consult
2021-02-08 22:22 ` [RFC PATCH 11/12] platform/x86: skeleton for oftree based board device initialization Enrico Weigelt, metux IT consult
2021-02-10 10:32   ` Andy Shevchenko [this message]
2021-02-12  9:58   ` Linus Walleij
2021-02-12 11:54     ` Enrico Weigelt, metux IT consult
2021-02-15  1:18       ` Frank Rowand
2021-02-23 20:41         ` Enrico Weigelt, metux IT consult
2021-03-02 13:33       ` Linus Walleij
2021-02-08 22:22 ` [RFC PATCH 12/12] platform/x86/of: add support for PC Engines APU v2/3/4 boards Enrico Weigelt, metux IT consult
2021-02-09  0:06   ` Rob Herring
2021-02-11 13:15     ` Enrico Weigelt, metux IT consult
2021-03-01 14:55   ` Linus Walleij
2021-02-08 23:48 ` RFC: oftree based setup of composite board devices Rob Herring
2021-02-10 22:13   ` Enrico Weigelt, metux IT consult
2021-02-15  1:12   ` Frank Rowand
2021-02-15 15:35     ` Andy Shevchenko
2021-02-24 13:00     ` Enrico Weigelt, metux IT consult
2021-02-24 23:14       ` Frank Rowand
2021-03-05 18:29         ` Rob Herring
2021-02-10 10:30 ` Andy Shevchenko
2021-02-11 11:08   ` Enrico Weigelt, metux IT consult
2021-02-11 11:41     ` Andy Shevchenko
2021-02-11 17:01       ` Enrico Weigelt, metux IT consult

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAHp75Vd9ui5bttkrG0KQLqecS_-5m_mPQHfdawpLhx7+YObrYQ@mail.gmail.com \
    --to=andy.shevchenko@gmail.com \
    --cc=bgolaszewski@baylibre.com \
    --cc=devicetree@vger.kernel.org \
    --cc=frowand.list@gmail.com \
    --cc=info@metux.net \
    --cc=linus.walleij@linaro.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pantelis.antoniou@konsulko.com \
    --cc=rafael@kernel.org \
    --cc=robh+dt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).