From patchwork Fri Apr 12 16:10:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13628129 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 35AB0C4345F for ; Fri, 12 Apr 2024 16:25:32 +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=9mxI++vV8os2buPCXrzjG5ffYWdVM634ac29pJIehyA=; b=MH3rQgWJnDqm+Y OUKs5qEv4UYBiwZXwd9JXo0NCxgx7k+4Lc3b78k9iBBA8Izc4jrIc7eEvzsg/4uTTcIS38Rs2yNmI yS9nqCcnTYJQ4Z6pMGM9KRfuQep/i4uHKvHZMKTpmR4YJXQNBc95eEOqRf9IufXgT+6RswQNfRgVh Reh/dmWAxM4pVNhpLoTRasbEq2+mSdnijShtEr7SuSp+PTp77X24157lFv59ziGAJhEYbCTIrYUxy zR/4yAJd9EXXJymySGxXmNmMcYZMZb3E+oWbGnOCB21tKFoHIOkU63mqWxT7Cl7g03n750f1TFCIC 9CSv9r9yBldCwwKMoZuw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvJiL-00000000Ti2-2rv1; Fri, 12 Apr 2024 16:25:21 +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 1rvJiH-00000000Tg1-3Ztr for linux-arm-kernel@lists.infradead.org; Fri, 12 Apr 2024 16:25:19 +0000 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4VGMLq454lz6K5v2; Sat, 13 Apr 2024 00:23:31 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 17D3A1400CF; Sat, 13 Apr 2024 00:25:16 +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 17:25:15 +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 28/30] drivers/nvdimm: Assign parent for event_source device Date: Fri, 12 Apr 2024 17:10:55 +0100 Message-ID: <20240412161057.14099-29-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_092518_072060_24A9318A X-CRM114-Status: GOOD ( 10.34 ) 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: Dan Williams Signed-off-by: Jonathan Cameron --- drivers/nvdimm/nd_perf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvdimm/nd_perf.c b/drivers/nvdimm/nd_perf.c index 2b6dc80d8fb5..dfc2028b9add 100644 --- a/drivers/nvdimm/nd_perf.c +++ b/drivers/nvdimm/nd_perf.c @@ -292,6 +292,7 @@ int register_nvdimm_pmu(struct nvdimm_pmu *nd_pmu, struct platform_device *pdev) * device data in events functions. */ nd_pmu->dev = &pdev->dev; + nd_pmu->pmu.parent = &pdev->dev; /* Fill attribute groups for the nvdimm pmu device */ nd_pmu->pmu.attr_groups[NVDIMM_PMU_FORMAT_ATTR] = &nvdimm_pmu_format_group;