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Date: Tue, 4 Apr 2023 14:42:22 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mark Rutland <mark.rutland@....com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Will Deacon <will@...nel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<gregkh@...uxfoundation.org>
CC: <linuxarm@...wei.com>, Dan Williams <dan.j.williams@...el.com>,
Shaokun Zhang <zhangshaokun@...ilicon.com>,
Yicong Yang <yangyicong@...ilicon.com>,
Jiucheng Xu <jiucheng.xu@...ogic.com>,
Khuong Dinh <khuong@...amperecomputing.com>,
Robert Richter <rric@...nel.org>,
Atish Patra <atishp@...shpatra.org>,
Anup Patel <anup@...infault.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Frank Li <Frank.li@....com>,
Shuai Xue <xueshuai@...ux.alibaba.com>,
Vineet Gupta <vgupta@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Fenghua Yu <fenghua.yu@...el.com>,
Dave Jiang <dave.jiang@...el.com>, Wu Hao <hao.wu@...el.com>,
Tom Rix <trix@...hat.com>, <linux-fpga@...r.kernel.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Liang Kan <kan.liang@...ux.intel.com>
Subject: [PATCH 29/32] fpga: dfl: Assign parent for event_source device
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/
Cc: Wu Hao <hao.wu@...el.com>
Cc: Tom Rix <trix@...hat.com>
Cc: linux-fpga@...r.kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
drivers/fpga/dfl-fme-perf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
index 7422d2bc6f37..2d59f1c620b1 100644
--- a/drivers/fpga/dfl-fme-perf.c
+++ b/drivers/fpga/dfl-fme-perf.c
@@ -912,6 +912,7 @@ static int fme_perf_pmu_register(struct platform_device *pdev,
fme_perf_setup_hardware(priv);
+ pmu->parent = &pdev->dev;
pmu->task_ctx_nr = perf_invalid_context;
pmu->attr_groups = fme_perf_groups;
pmu->attr_update = fme_perf_events_groups;
--
2.37.2
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