From nobody Mon Feb 9 16:45:52 2026 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 0010A149C45; Fri, 12 Apr 2024 16:17:06 +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=1712938634; cv=none; b=X6GMOhZLDRbVjSqISF5NEYzCeSUlJbLvIsD/KbaSV/TGtEdNvFWixaaHwmRBhkvpbWLWrkzs+WgQ5DSUq8ZIe6w7/5YqWJaSXzu01ekPphQuaW8YW9a1GKB0N7CJW+OGEFfAYSmxNsJp4xMlSX3yOsQYOI4SFUA+ETtr2yd8cYQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712938634; c=relaxed/simple; bh=dW+2BZaj364sSRfrZyTnSrnttUIokw9I3D8CxcxmKgo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fGVZ1KRsCACl42XRkpKyieHGqryCepOfsXe16TgQsVEIAPLSDYutwg0fpNU6THHl6TSnbW8GG+1RBl1Z5VUPBsFE/EKLW/EYRwdPBaKVwBlJOMQ5vT3vP3nfUy7tqsyU5SCsdrq+o6li0pzqte0eEuoOLEVVlAvzxX3HIIG8PCA= 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 [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4VGM9L3mXkz6JB3F; Sat, 13 Apr 2024 00:15:18 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 754A91408FE; Sat, 13 Apr 2024 00:17:04 +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 17:17:03 +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 12/30] perf/riscv: Assign parents for event_source devices Date: Fri, 12 Apr 2024 17:10:39 +0100 Message-ID: <20240412161057.14099-13-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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: lhrpeml100003.china.huawei.com (7.191.160.210) To lhrpeml500005.china.huawei.com (7.191.163.240) Content-Type: text/plain; charset="utf-8" Currently all these devices appear directly under /sys/devices/ Only root busses should appear there, so instead assign the pmu->dev parents to be the appropriate platform devices. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/ Cc: Atish Patra CC: Anup Patel Signed-off-by: Jonathan Cameron --- drivers/perf/riscv_pmu_legacy.c | 1 + drivers/perf/riscv_pmu_sbi.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legac= y.c index fa0bccf4edf2..04487ad7fba0 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -136,6 +136,7 @@ static int pmu_legacy_device_probe(struct platform_devi= ce *pdev) pmu =3D riscv_pmu_alloc(); if (!pmu) return -ENOMEM; + pmu->pmu.parent =3D &pdev->dev; pmu_legacy_init(pmu); =20 return 0; diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c index 8cbe6e5f9c39..5c9c98fd796a 100644 --- a/drivers/perf/riscv_pmu_sbi.c +++ b/drivers/perf/riscv_pmu_sbi.c @@ -1081,6 +1081,7 @@ static int pmu_sbi_device_probe(struct platform_devic= e *pdev) } =20 pmu->pmu.attr_groups =3D riscv_pmu_attr_groups; + pmu->pmu.parent =3D &pdev->dev; pmu->cmask =3D cmask; pmu->ctr_start =3D pmu_sbi_ctr_start; pmu->ctr_stop =3D pmu_sbi_ctr_stop; --=20 2.39.2