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 276DFC761A6 for ; Tue, 4 Apr 2023 14:51:57 +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=sZpKUbWnpzty+eQqcFCp/eOXWD7INDZpjgMu+0AEY/o=; b=hxOB84KgYC3e04 zN36049MWNqUPPa7WQqCJkT5trbsTWX5cwMI+aAegRsEZqGnFZzf2Ly4R5YZGBYOP1f+TzLvrFfbf WbOXUayD9YNQ6whEY1KcBiwHCmulMj37uQPDBOMrxy8mod9NlQWfVzNZun/C2tgvZIW+VxwD5mWLm bGn/S2irmhj7mCkf4x2eUBKwBIx4Q6LGserIAj/KM+DvKtJyS2XMWoWocgjv141l21PGvg3LcuAFk ypxfCOC1AJ+CkpUvxxbXZVp+olUxR2kMLRU735iIWybYq2tQHnauHRwT05LZ+ZmYmMi/KqH1gLnY7 oD3o7GbdQ4RajW+pFF1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjhzx-001snH-2o; Tue, 04 Apr 2023 14:51:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjhzu-001slu-1y for linux-arm-kernel@lists.infradead.org; Tue, 04 Apr 2023 14:51:00 +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 B8759D75; Tue, 4 Apr 2023 07:51:41 -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 C53553F73F; Tue, 4 Apr 2023 07:50:52 -0700 (PDT) Message-ID: <1fe0de39-c98b-e4e8-44df-8c899efb3019@arm.com> Date: Tue, 4 Apr 2023 15:50:51 +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 08/32] perf/arm_cspmu: Assign parents for event_source devices 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> <20230404134225.13408-9-Jonathan.Cameron@huawei.com> From: Suzuki K Poulose In-Reply-To: <20230404134225.13408-9-Jonathan.Cameron@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230404_075058_696739_69AF5473 X-CRM114-Status: GOOD ( 13.90 ) 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 all these devices appear directly under /sys/devices/ > Only root busses should appear there, so instead assign the pmu->dev > parents to be the platform device. > > Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/ > Signed-off-by: Jonathan Cameron > --- > drivers/perf/arm_cspmu/arm_cspmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c > index e31302ab7e37..4390e4fb1e95 100644 > --- a/drivers/perf/arm_cspmu/arm_cspmu.c > +++ b/drivers/perf/arm_cspmu/arm_cspmu.c > @@ -1155,6 +1155,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu) > cspmu->pmu = (struct pmu){ > .task_ctx_nr = perf_invalid_context, > .module = THIS_MODULE, > + .parent = cspmu->dev, > .pmu_enable = arm_cspmu_enable, > .pmu_disable = arm_cspmu_disable, > .event_init = arm_cspmu_event_init, 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