diff mbox series

[02/32] perf/hisi-pcie: Assign parent for event_source device

Message ID 20230404134225.13408-3-Jonathan.Cameron@huawei.com (mailing list archive)
State New
Headers show
Series Add parents to struct pmu -> dev | expand

Commit Message

Jonathan Cameron April 4, 2023, 1:41 p.m. UTC
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 PCI device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/perf/hisilicon/hisi_pcie_pmu.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Greg KH April 4, 2023, 1:51 p.m. UTC | #1
On Tue, Apr 04, 2023 at 02:41:55PM +0100, 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 PCI device.
> 
> Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---
>  drivers/perf/hisilicon/hisi_pcie_pmu.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Yicong Yang April 6, 2023, 3:56 a.m. UTC | #2
On 2023/4/4 21:41, 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 PCI device.
> 
> Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>

> ---
>  drivers/perf/hisilicon/hisi_pcie_pmu.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c
> index 6fee0b6e163b..2cc88d75b895 100644
> --- a/drivers/perf/hisilicon/hisi_pcie_pmu.c
> +++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c
> @@ -793,6 +793,7 @@ static int hisi_pcie_alloc_pmu(struct pci_dev *pdev, struct hisi_pcie_pmu *pcie_
>  	pcie_pmu->pmu = (struct pmu) {
>  		.name		= name,
>  		.module		= THIS_MODULE,
> +		.parent		= &pdev->dev,
>  		.event_init	= hisi_pcie_pmu_event_init,
>  		.pmu_enable	= hisi_pcie_pmu_enable,
>  		.pmu_disable	= hisi_pcie_pmu_disable,
>
diff mbox series

Patch

diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c
index 6fee0b6e163b..2cc88d75b895 100644
--- a/drivers/perf/hisilicon/hisi_pcie_pmu.c
+++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c
@@ -793,6 +793,7 @@  static int hisi_pcie_alloc_pmu(struct pci_dev *pdev, struct hisi_pcie_pmu *pcie_
 	pcie_pmu->pmu = (struct pmu) {
 		.name		= name,
 		.module		= THIS_MODULE,
+		.parent		= &pdev->dev,
 		.event_init	= hisi_pcie_pmu_event_init,
 		.pmu_enable	= hisi_pcie_pmu_enable,
 		.pmu_disable	= hisi_pcie_pmu_disable,