From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9C0FCC83F25 for ; Mon, 21 Jul 2025 17:09:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1RwTqgVahnIycuQB0jvWM/hbHUq4yj3nsucQtLH8+hs=; b=Hhco2vk3Y7496XApl1LNbG8qFE CRvKFj+B04mrSKA+MiBa7NZyNwd03EU3uej7uKmXNYlRubcq83X6s4nb3KmJHVkIf2cnEX8dUdj6F +jwrqweYyYRlEgH1CRP90KvwxQRz2ouJmMcoBL6a8mmPa4rA/uCuWgSEucNcAEkR+FLXpzZJjpL+V JWVLP9n4EHS5BbIGSo3vyDd9LrwDlkrCW2Qcpglzcb8h27aGPa9o1zBkBS/BM0wh/HkfkwSSL9i0a lKAOetwQFljuY+OWc8X8D6cPN89QTFq5J0a4NPjHLMkxCAG82eBTehHycyzAfqVg71SR1JLkNhcqU swrVncUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udu0b-00000000HLA-1pzB; Mon, 21 Jul 2025 17:09:01 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1udtQz-00000000BDA-0PnL for linux-arm-kernel@lists.infradead.org; Mon, 21 Jul 2025 16:32:14 +0000 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) MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To frapeml500008.china.huawei.com (7.182.85.71) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_093213_280603_356617C1 X-CRM114-Status: GOOD ( 15.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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