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 073ACC77B6E for ; Wed, 12 Apr 2023 12:10:22 +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=zUoLohYreAxSY1C/X9E7DCigGemBiTMicaZWoxoh8BQ=; b=tfCkCTmd9/4rba 0FlMlTY3hao0CigagqBFMEST6qf8YcBARUIA+VA22RXZ/+dZlC0JrkNI7EkSkm3SSq09+ghiFuAJ9 LrLxbBUeov/+6F7kc9vwvr/GrovD6TYXNA3xQ5EQ/RsFLXm1mvVFcoREjiM0/ZTFKrrHSAFJJ2SzK JA9EzxhKXIyCzkzfuUKkFkzpzNA+l0SfhfBgyqVCjXptlq/PiM694epvt8sDlmysahXD0Y9y3AvKT MGafZKEa+RHqGzMVWQBX/4cnA4grE42v770YTzIF2NMBgFsyLLSYFuFzQvt9PMTO4SlcrhgHvE44q C2eeEnv7OwC5fn9aJrsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pmZI7-0032WC-1o; Wed, 12 Apr 2023 12:09:35 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pmZI4-0032Ur-10 for linux-arm-kernel@lists.infradead.org; Wed, 12 Apr 2023 12:09:34 +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 812CBD75; Wed, 12 Apr 2023 05:10:14 -0700 (PDT) Received: from [10.57.81.24] (unknown [10.57.81.24]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B382A3F73F; Wed, 12 Apr 2023 05:09:25 -0700 (PDT) Message-ID: <0a21a714-b1ac-9899-748a-ca46bec75283@arm.com> Date: Wed, 12 Apr 2023 13:09:24 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [PATCH 20/32] perf/arm-ccn: 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> <20230404134225.13408-21-Jonathan.Cameron@huawei.com> From: Suzuki K Poulose In-Reply-To: <20230404134225.13408-21-Jonathan.Cameron@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230412_050932_399666_17AE92A0 X-CRM114-Status: GOOD ( 14.37 ) 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-ccn.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c > index 728d13d8e98a..dc8b0dcb436e 100644 > --- a/drivers/perf/arm-ccn.c > +++ b/drivers/perf/arm-ccn.c > @@ -1265,6 +1265,7 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn) > /* Perf driver registration */ > ccn->dt.pmu = (struct pmu) { > .module = THIS_MODULE, > + .parent = ccn->dev, > .attr_groups = arm_ccn_pmu_attr_groups, > .task_ctx_nr = perf_invalid_context, > .event_init = arm_ccn_pmu_event_init, Acked-by: Suzuki K Poulose _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel