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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>,
 Maximilian Luz <luzmaximilian@gmail.com>, platform-driver-x86@vger.kernel.org
Subject:
 [PATCH v1 0/3] platform/surface: surfacepro3_button: Use platform device for
 driver binding
Date: Wed, 04 Mar 2026 19:53:24 +0100
Message-ID: <2909929.BEx9A2HvPv@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 Surface Pro3 button
driver.

Patch [1/3] Fixes a wakeup source leak on driver removal.

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

Thanks!