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SubjectRe: [PATCH v4 4/4] vfio/pci: Move the unused device into low power state with runtime PM
On Tue, 17 May 2022 15:32:19 +0530
Abhishek Sahu <abhsahu@nvidia.com> wrote:
> diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
> index 4fe9a4efc751..5ea1b3099036 100644
> --- a/drivers/vfio/pci/vfio_pci_core.c
> +++ b/drivers/vfio/pci/vfio_pci_core.c
> @@ -156,7 +156,7 @@ static void vfio_pci_probe_mmaps(struct vfio_pci_core_device *vdev)
> }
>
> struct vfio_pci_group_info;
> -static bool vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set);
> +static void vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set);
> static int vfio_pci_dev_set_hot_reset(struct vfio_device_set *dev_set,
> struct vfio_pci_group_info *groups);
>
> @@ -275,6 +275,19 @@ void vfio_pci_lock_and_set_power_state(struct vfio_pci_core_device *vdev,
> up_write(&vdev->memory_lock);
> }
>
> +#ifdef CONFIG_PM

Neither of the CONFIG_PM checks added are actually needed afaict, both
struct dev_pm_ops and the pm pointer on struct device_driver are defined
regardless. Thanks,

Alex

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