From patchwork Tue Apr 4 13:42:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13200162 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 DEADBC761A6 for ; Tue, 4 Apr 2023 13:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pWsG5C7E+TyVmk4yp9cdzbIarFG8epKGDk1dOgZ91Vk=; b=eaWTcmglgajugW u9krzufh3DWXiUIjJvfDvxNo/uljOsjb+vNFX4aJr6O+0uv0ukDC8x3OLYYoLWLXFR0l8iYPacZvo cu/LJd+uonnCxX0cGF7YISY0H+lBQgySFT5w9+Y5zm6LWYIThwxlIAfdQKHDFvCYQJ7sohwdPOnaD A97t1QUO7/JAAE299Vrgl2NUvjW8P48CZCo4OrHs/y1m+x/F6vUHMQxQa/gWosoMGO/FZhSe+JcXZ ml2jqqjgHiRv4GTeDZ285XCv3d2XAeOnDi4SdzJl/U2kfsEURVhPpZcVB7vwjw57CIpmI1ah8lOaQ 1g0o3HS5+eGbnoclrKXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjh5z-001bKv-1s; Tue, 04 Apr 2023 13:53:11 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjh5v-001bGk-1I for linux-arm-kernel@lists.infradead.org; Tue, 04 Apr 2023 13:53:09 +0000 Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4PrThy6qHhz67RhJ; Tue, 4 Apr 2023 21:52:18 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Tue, 4 Apr 2023 14:53:04 +0100 From: Jonathan Cameron To: Mark Rutland , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Will Deacon , , , CC: , Dan Williams , Shaokun Zhang , Yicong Yang , Jiucheng Xu , Khuong Dinh , Robert Richter , Atish Patra , Anup Patel , Andy Gross , Bjorn Andersson , Frank Li , Shuai Xue , Vineet Gupta , Shawn Guo , Fenghua Yu , Dave Jiang , Wu Hao , Tom Rix , , Suzuki K Poulose , Liang Kan Subject: [PATCH 21/32] perf/arm-cmn: Assign parents for event_source device Date: Tue, 4 Apr 2023 14:42:14 +0100 Message-ID: <20230404134225.13408-22-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230404134225.13408-1-Jonathan.Cameron@huawei.com> References: <20230404134225.13408-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230404_065307_589691_32CD4A21 X-CRM114-Status: GOOD ( 10.28 ) 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 Currently the PMU device appears directly under /sys/devices/ Only root busses should appear there, so instead assign the pmu->dev parent to be the platform device. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/ Signed-off-by: Jonathan Cameron Acked-by: Robin Murphy --- drivers/perf/arm-cmn.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index c9689861be3f..7731eb0e2a4a 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -2284,6 +2284,7 @@ static int arm_cmn_probe(struct platform_device *pdev) cmn->cpu = cpumask_local_spread(0, dev_to_node(cmn->dev)); cmn->pmu = (struct pmu) { .module = THIS_MODULE, + .parent = &pdev->dev, .attr_groups = arm_cmn_attr_groups, .capabilities = PERF_PMU_CAP_NO_EXCLUDE, .task_ctx_nr = perf_invalid_context,