Message ID | 20230313182918.1312597-11-gregkh@linuxfoundation.org |
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State | New |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h63-20020a638342000000b00502e3fd615esi162366pge.365.2023.03.13.11.44.20; Mon, 13 Mar 2023 11:44:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=cl050Oea; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229762AbjCMSaz (ORCPT <rfc822;realc9580@gmail.com> + 99 others); Mon, 13 Mar 2023 14:30:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231192AbjCMSah (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Mon, 13 Mar 2023 14:30:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF2408389D for <linux-kernel@vger.kernel.org>; Mon, 13 Mar 2023 11:30:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7E5F461465 for <linux-kernel@vger.kernel.org>; Mon, 13 Mar 2023 18:29:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 69E3BC433D2; Mon, 13 Mar 2023 18:29:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678732169; bh=6cc07Yo5EzSV1mVa+Tl9FGlm0vk+66ho84vi9KwFE6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cl050OeaHk/70eeZ/qIp465gBRu3j6q4XWi/RKOII5FNGcK9sW6PVPyiaKVHUA2x9 sqFlBHzI74e2NGa2mEbFPpewoyL2BeOghUGuV0FUvRaj6dnmsIXevM2ry27KVFwlYL B9n2DQn+FaQm2DNAh+jHjIvQZHpk1s+NdcvRTElk= From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: rafael@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>, James Morse <james.morse@arm.com>, Kristina Martsenko <kristina.martsenko@arm.com>, Marc Zyngier <maz@kernel.org>, Ard Biesheuvel <ardb@kernel.org>, Vladimir Murzin <vladimir.murzin@arm.com>, Mark Rutland <mark.rutland@arm.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 11/36] arm64: cpufeature: move to use bus_get_dev_root() Date: Mon, 13 Mar 2023 19:28:53 +0100 Message-Id: <20230313182918.1312597-11-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313182918.1312597-1-gregkh@linuxfoundation.org> References: <20230313182918.1312597-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1838; i=gregkh@linuxfoundation.org; h=from:subject; bh=6cc07Yo5EzSV1mVa+Tl9FGlm0vk+66ho84vi9KwFE6E=; b=owGbwMvMwCRo6H6F97bub03G02pJDCn82eVJlo+P744yWWQfVb0uYdL9DexKNz8uL84pzHhdw D/50fRXHbEsDIJMDLJiiixftvEc3V9xSNHL0PY0zBxWJpAhDFycAjCRy+0MCy7cr0iM0fhy7f9c WZ+rF3LNVzUV5TDMr9702NJpvrjn2rzr69Z+sXWe482VCwA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760279210752500687?= X-GMAIL-MSGID: =?utf-8?q?1760279210752500687?= |
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[01/36] EDAC/sysfs: move to use bus_get_dev_root()
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Commit Message
Greg KH
March 13, 2023, 6:28 p.m. UTC
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Vladimir Murzin <vladimir.murzin@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Note, this is a patch that is a prepatory cleanup as part of a larger
series of patches that is working on resolving some old driver core
design mistakes. It will build and apply cleanly on top of 6.3-rc2 on
its own, but I'd prefer if I could take it through my driver-core tree
so that the driver core changes can be taken through there for 6.4-rc1.
arch/arm64/kernel/cpufeature.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 2e3e55139777..f3bab4bd0917 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1490,10 +1490,18 @@ static const DEVICE_ATTR_RO(aarch32_el0); static int __init aarch32_el0_sysfs_init(void) { + struct device *dev_root; + int ret = 0; + if (!allow_mismatched_32bit_el0) return 0; - return device_create_file(cpu_subsys.dev_root, &dev_attr_aarch32_el0); + dev_root = bus_get_dev_root(&cpu_subsys); + if (dev_root) { + ret = device_create_file(dev_root, &dev_attr_aarch32_el0); + put_device(dev_root); + } + return ret; } device_initcall(aarch32_el0_sysfs_init);