From patchwork Fri Apr 12 16:10:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13628113 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF445148FE5; Fri, 12 Apr 2024 16:24:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712939058; cv=none; b=rqv4ixpj7eXuuaWBKEXqJoSVskFNOGhZLFJ3kjAj3LzIw6mHgUDUswV6H1wWrAqigarkioLm55FQnTXFY0ErpEUKpy+bX9llujsoT1CdgNUj4w7nbq8pv0YG3AmkjWZOcJi9OXYBcPSITbqAII4sb9SngGjbDefCsrPHyV/yZb4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712939058; c=relaxed/simple; bh=qbyzyEw1XdpC8a/J4DdW4dlAcZZ0m8aVJQY+exewmhc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HAe3VPDbhMjIq8w8mL9pFHmqjfeOlQbHLe2IgnnO9GO6GMITxDAGw5zqeCgusB3Ey39ubhFnNk8GwBqoW5CWQFb2CpoRTHbHvS99Aaco11bli45d7QwiBOA1wt7GGD2cjbsFOYWquPNASdBKC0UsYmUd7Z3DHzD81k+EtvG1qWs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4VGMKc5fSPz67pJF; Sat, 13 Apr 2024 00:22:28 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id B7A1E140119; Sat, 13 Apr 2024 00:24:14 +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_256_GCM_SHA384) id 15.1.2507.35; Fri, 12 Apr 2024 17:24:14 +0100 From: Jonathan Cameron To: Mark Rutland , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Will Deacon , , , CC: , Shaokun Zhang , Yicong Yang , Jiucheng Xu , Khuong Dinh , 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 v2 26/30] dmaengine: idxd: Assign parent for event_source device Date: Fri, 12 Apr 2024 17:10:53 +0100 Message-ID: <20240412161057.14099-27-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240412161057.14099-1-Jonathan.Cameron@huawei.com> References: <20240412161057.14099-1-Jonathan.Cameron@huawei.com> Precedence: bulk X-Mailing-List: linux-fpga@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: lhrpeml100003.china.huawei.com (7.191.160.210) To lhrpeml500005.china.huawei.com (7.191.163.240) 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 Reviewed-by: Dave Jiang Reviewed-by: Fenghua Yu --- 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 fdda6d604262..fbb586eed0b3 100644 --- a/drivers/dma/idxd/perfmon.c +++ b/drivers/dma/idxd/perfmon.c @@ -477,6 +477,7 @@ 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;