From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 834D738AC60; Tue, 24 Mar 2026 16:40:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774370428; cv=none; b=gV+0HEt479NqkNeiKnI0Yygt4ne+ihsn78WqwRTI9UVcaJTKUndnVHL+9fVJZbWELsaN78BySxV5Cf2UEuL2E4uZ1de/SP0z7vaD4V+871LJWV38CbbBdD+Zqk4fzAf0blRYrsDkE3UGBpFvDCqQNfICKpjXWVBcO4Rveu070MA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774370428; c=relaxed/simple; bh=kkEoPq9q8fepKtiANcT9ZAfQh5CvujgTy1fMX5zG1GA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DncrfyxbL7qjzBUOg+nZ2MeZjjLof6iTX7fBPsJ7EJ3bpXYRJroTtC2VrZpZmjX3NktcOJt0Ocz54U3GR2WkDHI9bwYHQXt0Izn+w7qvz+Z4GNEgVLPXGwBkeRSWDorPG9Fhi15ht2C6xH32Zp+VYbobsOR35Qaci6j7ohmpVv0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Usi8u7sy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Usi8u7sy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 609AEC19424; Tue, 24 Mar 2026 16:40:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774370428; bh=kkEoPq9q8fepKtiANcT9ZAfQh5CvujgTy1fMX5zG1GA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Usi8u7syiR8pttrP0If0eBSXVLvECDh4vy08/ZqtVulKRKflVXL3jmVRdohQwKBht pLikhuBCMExn+lDeH6gZOvhrGD5M3hP1lqIHYnzAv8h1HHMojvzMXa5gzawCKPOY1a eP2VC+2G4tfe7JyybigsnG7eTh9RsPeaM7wV6B6BIzFU2+inKczujBFLdhXFfoL2gy rnYVj0DfIip6b1NXGbxPHADZRGyVLbrPc/NrqMJg5deMxaIldA39qLx9J4yPIPZhJg NwmSSN+0BLFj8KbsFRSmClIbvc/QpUY5ipHQ42eIbrqKFyhJUeWnbIgZ1F+xDLL6Rg GW4STqjEN8Cng== Date: Tue, 24 Mar 2026 16:40:23 +0000 From: Lee Jones To: "Rafael J. Wysocki" Cc: Daniel Thompson , dri-devel@lists.freedesktop.org, LKML , Linux ACPI , Jingoo Han , Helge Deller , linux-fbdev@vger.kernel.org Subject: Re: [PATCH v1] backlight: apple_bl: Convert to a platform driver Message-ID: <20260324164023.GE2902881@google.com> References: <5084777.GXAFRqVoOG@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Tue, 24 Mar 2026, Rafael J. Wysocki wrote: > On Mon, Mar 23, 2026 at 10:57 AM Daniel Thompson wrote: > > > > On Sat, Mar 14, 2026 at 12:50:11PM +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 Apple Backlight ACPI driver to a > > > platform one. > > > > > > 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 > > > > Reviewed-by: Daniel Thompson (RISCstar) > > Thanks! > > Unless anyone has any objections or concerns (in which case please let > me know), I'm going to queue up this one for 7.1. Why would you queue-up a Backlight patch? I'd rather this goes in via the Backlight tree. -- Lee Jones [李琼斯]