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 83666C87FCB for ; Wed, 6 Aug 2025 18:06:21 +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:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FgANDvFEQdWdY1Fodz0aRUh3xZtnOQANLaKvIIC82yk=; b=vIKI1EVP5wxlfoAUtaL0b9TUWW GxlU6+VeDPI6pH1hymUX8rGvmScAMFg/wy54YVP01XCjwTBgQjkrnmth4zKhAl+lrcEALAPxVbLmO Ajz3fmIQQgbp4diaGVwRqRt1lqxtVYQ3Vwjc9rEYx8WFmtzXxaK8lfaRkTz4H+JnDpeBgq6v/ktPA AZXUZ/XYJSjfO2uNgHJWVBkYa9UTcIcagpPaEdVk7EU+iu8VjTwtenxpDjkHjNRL0NtJpVTFD0Nbo 9qeSHYJh7YZgvjgiXEXYKb4U4u+2EXAza2WDRdslfm1eaI58jrJFY4+/6ljlDmiHBuxL7KoTreYqK MXKgiUbA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujiWj-0000000G1QO-2Mr9; Wed, 06 Aug 2025 18:06:13 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujiUB-0000000G0w0-1qmB for linux-arm-kernel@lists.infradead.org; Wed, 06 Aug 2025 18:03:37 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2BAF8176C; Wed, 6 Aug 2025 11:03:24 -0700 (PDT) Received: from [10.1.197.43] (eglon.cambridge.arm.com [10.1.197.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4651D3F738; Wed, 6 Aug 2025 11:03:18 -0700 (PDT) Message-ID: <514df895-e9bc-4855-b18d-29b1949f67cf@arm.com> Date: Wed, 6 Aug 2025 19:03:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 12/36] platform: arm64: Move ec devices to an ec subdirectory To: Jonathan Cameron Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Rob Herring , Ben Horgan , Rohit Mathew , Shanker Donthineni , Zeng Heng , Lecopzer Chen , Carl Worth , shameerali.kolothum.thodi@huawei.com, D Scott Phillips OS , lcherian@marvell.com, bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com, baolin.wang@linux.alibaba.com, Jamie Iles , Xin Hao , peternewman@google.com, dfustini@baylibre.com, amitsinght@marvell.com, David Hildenbrand , Rex Nie , Dave Martin , Koba Ko References: <20250711183648.30766-1-james.morse@arm.com> <20250711183648.30766-13-james.morse@arm.com> <20250721173202.00002b51@huawei.com> Content-Language: en-GB From: James Morse In-Reply-To: <20250721173202.00002b51@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250806_110335_521816_44CD99F7 X-CRM114-Status: GOOD ( 14.01 ) 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 Hi Jonathan, On 21/07/2025 17:32, Jonathan Cameron wrote: > 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'. >> >> 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. >> >> 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. >> >> 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. >> 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 >> >> -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. Bother - yes, that's exactly what happened. >> M: Ilpo Järvinen >> 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-drivers-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. Thanks, James