From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (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 1AEB526ACC for ; Mon, 21 Jul 2025 16:32:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753115530; cv=none; b=AmoeEqQl8P6XZuCYNybW8AxXOGkHz1VMMNhRq8PEsuzGjbj7orAaFLumoHB1VKjJHHnWQjGx59THc2nPYYc4jMbpoXoKiOFBO9gamftmu32wRLnQUmWko8tJHVFvCVg8HZ7KVQdyDpy5fYrMlJ8OJm2p+yBnG3vNvNFPAdu6v74= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753115530; c=relaxed/simple; bh=kvgRpImLW/WY6NBgrfY6eeV0OLhSsKBmPOT+2MVTDxI=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=D/8gNsnfb9nU/XEq+3HORnI8bVc4lUkx9OFbKX9yqkMFgur/pCtpRDi4O0EnaDBudhyAgpKvrWxkAImb297DkYR459q5UGu8Ko09i2huf/mQYxmjIdQy1QPmn9i+0kb8aNA55yYuXWx79lU4y4B2urZQSEDKxiStQ8gVhnRnZVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bm5Rh62Bqz6L4ws; Tue, 22 Jul 2025 00:28:16 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 914F51402EC; Tue, 22 Jul 2025 00:32:04 +0800 (CST) Received: from localhost (10.203.177.66) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 21 Jul 2025 18:32:03 +0200 Date: Mon, 21 Jul 2025 17:32:02 +0100 From: Jonathan Cameron To: James Morse CC: , , "Rob Herring" , Ben Horgan , Rohit Mathew , Shanker Donthineni , "Zeng Heng" , Lecopzer Chen , "Carl Worth" , , D Scott Phillips OS , , , , , Jamie Iles , Xin Hao , , , , David Hildenbrand , Rex Nie , Dave Martin , Koba Ko Subject: Re: [RFC PATCH 12/36] platform: arm64: Move ec devices to an ec subdirectory Message-ID: <20250721173202.00002b51@huawei.com> In-Reply-To: <20250711183648.30766-13-james.morse@arm.com> References: <20250711183648.30766-1-james.morse@arm.com> <20250711183648.30766-13-james.morse@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) 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="ISO-8859-1" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To frapeml500008.china.huawei.com (7.182.85.71) On Fri, 11 Jul 2025 18:36:24 +0000 James Morse wrote: > commit 363c8aea257 "platform: Add ARM64 platform directory" added a > subdirectory for arm64 platform devices, but claims that all such > devices must be 'EC like'. >=20 > The arm64 MPAM driver manages an MMIO interface that appears in memory > controllers, caches, IOMMU and connection points on the interconnect. > It doesn't fit into any existing subsystem. >=20 > It would be convenient to use this subdirectory for drivers for other > arm64 platform devices which aren't closely coupled to the architecture > code and don't fit into any existing subsystem. >=20 > Move the existing code and maintainer entries to be under > drivers/platform/arm64/ec. The MPAM driver will be added under > drivers/platform/arm64/mpam. >=20 > Signed-off-by: James Morse >=20 > diff --git a/MAINTAINERS b/MAINTAINERS > index 4bac4ea21b64..bea01d413666 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -3549,15 +3549,15 @@ S: Maintained > F: arch/arm64/boot/Makefile > F: scripts/make_fit.py > =20 > -ARM64 PLATFORM DRIVERS > -M: Hans de Goede > +ARM64 EC PLATFORM DRIVERS > +M: Hans de Goede Smells like a rebase error as Hans' email address chagned to the kernel.org one in the 6.16 cycle. > M: Ilpo J=E4rvinen > R: Bryan O'Donoghue > L: platform-driver-x86@vger.kernel.org > S: Maintained > Q: https://patchwork.kernel.org/project/platform-driver-x86/list/ > T: git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-driv= ers-x86.git > -F: drivers/platform/arm64/ > +F: drivers/platform/arm64/ec Other than that looks sensible to me but obviously needs tags from Hans or = Ilpo. Jonathan