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From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Ilpo =?ISO-8859-1?Q?J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
 Linux ACPI <linux-acpi@vger.kernel.org>, Hans de Goede <hansg@kernel.org>,
 platform-driver-x86@vger.kernel.org, Mattia Dongili <malattia@linux.it>
Subject:
 [PATCH v1 0/3] platform/x86: sony-laptop: Bind to a platform device instead
 of an ACPI one
Date: Thu, 12 Mar 2026 12:28:06 +0100
Message-ID: <2284006.Icojqenx9y@rafael.j.wysocki>
Organization: Linux Kernel Development
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Hi All,

This series is part of a larger effort to switch over all drivers using
the struct acpi_driver interface to the more common struct platform_driver
interface and eliminate the former.  The background is explained in
Documentation/driver-api/acpi/acpi-drivers.rst and in the changelog of
the patch that introduced the above document:

https://lore.kernel.org/all/2396510.ElGaqSPkdT@rafael.j.wysocki/

The bottom line is that the kernel would be better off without struct
acpi_driver and so it is better to get rid of it.

This series carries out driver conversion of the platform x86 Sony
Notebook Control driver.

Patch [1/3] updates the driver to install an ACPI notify handler by itself
instead of using the .notify() callback from struct acpi_driver, which is
requisite for the driver conversion.

Patch [2/3] converts the NC part of the driver to using struct
platform_driver for device binding.

Patch [3/3] converts the PIC part of the driver to using struct
platform_driver for device binding.

Thanks!