From mboxrd@z Thu Jan 1 00:00:00 1970 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 863A6C6FD1D for ; Tue, 4 Apr 2023 14:53:22 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=P3Ww4xK1j1C9tJz6mj5VqXxE2cWHfT3N4Zv3Hfsxdww=; b=ttnC0NBpAg+OGV +aDcGdn7Fi/Ptb0sqc1YxCzQuQPPY0UmEG/82n61rny2tIFvlcok+Ta4Ow2xKb5H1Qg5YKD+4iEzQ bR3PELFH4ly88ipOpkpIH3ptzEtinbHWThPa4UqGJb9pCL2IMJuFOs5VPZuAQKHgWtOjNJMLMYzmj rAxlyjoIxpTqjcJkZ6losEgjvSAXM4NfnCa6fFHlFYbjbRInMqkOSVqHb9FgAjcmFcaOrfq836NQD B0QoU2nvK+Blt7Nm2VaeVX7F9JqNHJr+FLWpfXJtrjCPQscctilXCj4iignvIiOEi1GW7+AILBVrt 7IHJFspU7G61kBGxlLzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pji1S-001t6k-0n; Tue, 04 Apr 2023 14:52:34 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pji1P-001t5s-1z for linux-arm-kernel@lists.infradead.org; Tue, 04 Apr 2023 14:52:33 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 42F17D75; Tue, 4 Apr 2023 07:53:14 -0700 (PDT) Received: from [10.57.53.173] (unknown [10.57.53.173]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0B64B3F73F; Tue, 4 Apr 2023 07:52:24 -0700 (PDT) Message-ID: <9fb9b1d7-2acb-d2cf-e81b-4b86a1cb9d62@arm.com> Date: Tue, 4 Apr 2023 15:52:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH 23/32] perf/arm-dsu: Assign parents for event_source device To: Jonathan Cameron , Mark Rutland , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, gregkh@linuxfoundation.org Cc: linuxarm@huawei.com, 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 , linux-fpga@vger.kernel.org, Liang Kan References: <20230404134225.13408-1-Jonathan.Cameron@huawei.com> <20230404134225.13408-24-Jonathan.Cameron@huawei.com> From: Suzuki K Poulose In-Reply-To: <20230404134225.13408-24-Jonathan.Cameron@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230404_075231_698590_261123AA X-CRM114-Status: GOOD ( 14.95 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/04/2023 14:42, Jonathan Cameron wrote: > 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/ > Signed-off-by: Jonathan Cameron > --- > drivers/perf/arm_dsu_pmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c > index fe2abb412c00..de75c00cb456 100644 > --- a/drivers/perf/arm_dsu_pmu.c > +++ b/drivers/perf/arm_dsu_pmu.c > @@ -751,6 +751,7 @@ static int dsu_pmu_device_probe(struct platform_device *pdev) > > dsu_pmu->pmu = (struct pmu) { > .task_ctx_nr = perf_invalid_context, > + .parent = &pdev->dev, > .module = THIS_MODULE, > .pmu_enable = dsu_pmu_enable, > .pmu_disable = dsu_pmu_disable, Reviewed-by: Suzuki K Poulose _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel