From patchwork Fri Apr 12 16:10:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13628078 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 BE520C4345F for ; Fri, 12 Apr 2024 16:12:51 +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=7FOZ9hnX9j2+r/q2nLw9KJ4E/kM7bQSxYXhLj15xr5U=; b=ywk8QEzVxOSd/n MdIO4o6+H/FWVQ20Bx6TzUXVAtaPbFgVoj34SbMedUPNbiYqibjRJeiJoY0d06NAqGumMKol5l4CX nyZ9XUKyMghDrKzYlK6DlmSXdqpm2ZQ/T5YaJa3SHvrwKx6xtKvfCXI+enG8fAd2de3gjPO9iHoOX bZInTsYJw4FwiDECnAuuElBlK8FJvaTbr7bRS9JcGlCMSPkE5JTh8Jm3CxSkKLz2/3X31SA0RsUrZ JoFTwgo0cf5+dUF98gKhIHmvq8WNAARITOwgIvAykbapNQoqJVqEQ2pRQw1V3Gnvn3WAQKt5d+/NO RSVUNM71uBhGhbdC3B1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvJW0-00000000ObH-49jD; Fri, 12 Apr 2024 16:12:37 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvJVx-00000000OZM-2AzI for linux-arm-kernel@lists.infradead.org; Fri, 12 Apr 2024 16:12:35 +0000 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4VGM4206Ntz689rj; Sat, 13 Apr 2024 00:10:42 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id EE80B140B3C; Sat, 13 Apr 2024 00:12:27 +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 17:12:27 +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 03/30] perf/hisi-uncore: Assign parents for event_source devices Date: Fri, 12 Apr 2024 17:10:30 +0100 Message-ID: <20240412161057.14099-4-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> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml100003.china.huawei.com (7.191.160.210) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_091233_801476_FF9256DF X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. 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/ Reviewed-by: Greg Kroah-Hartman Reviewed-by: Yicong Yang Signed-off-by: Jonathan Cameron --- drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c index 04031450d5fe..5519965600dc 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c @@ -538,6 +538,7 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module) struct pmu *pmu = &hisi_pmu->pmu; pmu->module = module; + pmu->parent = hisi_pmu->dev; pmu->task_ctx_nr = perf_invalid_context; pmu->event_init = hisi_uncore_pmu_event_init; pmu->pmu_enable = hisi_uncore_pmu_enable;