From patchwork Tue Apr 4 13:42:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13200273 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5906FC761A6 for ; Tue, 4 Apr 2023 14:18:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235045AbjDDORH (ORCPT ); Tue, 4 Apr 2023 10:17:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235079AbjDDORG (ORCPT ); Tue, 4 Apr 2023 10:17:06 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E141E99; Tue, 4 Apr 2023 07:17:05 -0700 (PDT) Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4PrTn71T0gz67VxZ; Tue, 4 Apr 2023 21:55:55 +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 14:56:40 +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 28/32] dmaengine: idxd: Assign parent for event_source device Date: Tue, 4 Apr 2023 14:42:21 +0100 Message-ID: <20230404134225.13408-29-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 Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.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 iDXD PCI Device. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/ Cc: Fenghua Yu Cc: Dave Jiang Signed-off-by: Jonathan Cameron --- drivers/dma/idxd/perfmon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/idxd/perfmon.c b/drivers/dma/idxd/perfmon.c index d73004f47cf4..4d61334a814a 100644 --- a/drivers/dma/idxd/perfmon.c +++ b/drivers/dma/idxd/perfmon.c @@ -478,6 +478,7 @@ static void idxd_pmu_init(struct idxd_pmu *idxd_pmu) } idxd_pmu->pmu.name = idxd_pmu->name; + idxd_pmu->pmu.parent = &idxd_pmu->idxd->pdev->dev; idxd_pmu->pmu.attr_groups = perfmon_attr_groups; idxd_pmu->pmu.task_ctx_nr = perf_invalid_context; idxd_pmu->pmu.event_init = perfmon_pmu_event_init;