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X-CSE-ConnectionGUID: NO2noYHLTXmrAyEpjyWXrA== X-CSE-MsgGUID: fI4kdqA5SDCEAjnyUTg88w== X-IronPort-AV: E=McAfee;i="6600,9927,11042"; a="19796043" X-IronPort-AV: E=Sophos;i="6.07,196,1708416000"; d="scan'208";a="19796043" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2024 09:27:20 -0700 X-CSE-ConnectionGUID: Mm1CB60SSDWVM0xvwac6iw== X-CSE-MsgGUID: nH7qB1XQTMen7psDVDJiFg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,196,1708416000"; d="scan'208";a="26077121" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [10.212.34.215]) ([10.212.34.215]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2024 09:27:19 -0700 Message-ID: <1a397659-2163-4582-ac5c-2eab7f30c925@intel.com> Date: Fri, 12 Apr 2024 09:27:17 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 26/30] dmaengine: idxd: Assign parent 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, 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 , Wu Hao , Tom Rix , linux-fpga@vger.kernel.org, Suzuki K Poulose , Liang Kan References: <20240412161057.14099-1-Jonathan.Cameron@huawei.com> <20240412161057.14099-27-Jonathan.Cameron@huawei.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <20240412161057.14099-27-Jonathan.Cameron@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_092722_178972_B97D2D09 X-CRM114-Status: GOOD ( 13.21 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/12/24 9:10 AM, 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 iDXD PCI Device. > > Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/ > Cc: Fenghua Yu > Cc: Dave Jiang > Signed-off-by: Jonathan Cameron Reviewed-by: Dave Jiang > --- > drivers/dma/idxd/perfmon.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/dma/idxd/perfmon.c b/drivers/dma/idxd/perfmon.c > index fdda6d604262..fbb586eed0b3 100644 > --- a/drivers/dma/idxd/perfmon.c > +++ b/drivers/dma/idxd/perfmon.c > @@ -477,6 +477,7 @@ static void idxd_pmu_init(struct idxd_pmu *idxd_pmu) > } > > idxd_pmu->pmu.name = idxd_pmu->name; > + idxd_pmu->pmu.parent = &idxd_pmu->idxd->pdev->dev; > idxd_pmu->pmu.attr_groups = perfmon_attr_groups; > idxd_pmu->pmu.task_ctx_nr = perf_invalid_context; > idxd_pmu->pmu.event_init = perfmon_pmu_event_init; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel