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Wysocki" Cc: Luca Tettamanti , linux-hwmon@vger.kernel.org, LKML , Linux ACPI Subject: Re: [PATCH v1] hwmon: (asus_atk0110) Convert ACPI driver to a platform one Message-ID: <7ff14a0d-ffb9-4258-9b1a-1fff0021d19e@roeck-us.net> References: <3691136.iIbC2pHGDl@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3691136.iIbC2pHGDl@rafael.j.wysocki> On Wed, Mar 04, 2026 at 07:26:52PM +0100, Rafael J. Wysocki wrote: > From: "Rafael J. Wysocki" > > In all cases in which a struct acpi_driver is used for binding a driver > to an ACPI device object, a corresponding platform device is created by > the ACPI core and that device is regarded as a proper representation of > underlying hardware. Accordingly, a struct platform_driver should be > used by driver code to bind to that device. There are multiple reasons > why drivers should not bind directly to ACPI device objects [1]. > > Overall, it is better to bind drivers to platform devices than to their > ACPI companions, so convert the asus_atk0110 ACPI driver to a platform > one. > > After this change, the subordinate hwmon device will be registered under > the platform device used for driver binding and messages will be printed > relative to that device instead of its ACPI companion. > > While this is not expected to alter functionality, it changes sysfs > layout and so it will be visible to user space. > > Link: https://lore.kernel.org/all/2396510.ElGaqSPkdT@rafael.j.wysocki/ [1] > Signed-off-by: Rafael J. Wysocki Applied. Thanks, Guenter