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Message-ID: <20240412161057.14099-27-Jonathan.Cameron@huawei.com>
Date: Fri, 12 Apr 2024 17:10:53 +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>, Shaokun Zhang <zhangshaokun@...ilicon.com>, Yicong
Yang <yangyicong@...ilicon.com>, Jiucheng Xu <jiucheng.xu@...ogic.com>,
Khuong Dinh <khuong@...amperecomputing.com>, 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 v2 26/30] dmaengine: idxd: 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 iDXD PCI Device.
Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Dave Jiang <dave.jiang@...el.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
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;
--
2.39.2
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