On Wed, Oct 28, 2020 at 10:31:41AM +0900, Kunihiko Hayashi wrote:
> Add pcie_port_service_get_irq() that returns the virtual IRQ number
> for specified portdrv service.
>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
I don't like portdrv and am sorry to add more uses of it, but I don't
have anything better, so:
Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> ---
> drivers/pci/pcie/portdrv.h | 1 +
> drivers/pci/pcie/portdrv_core.c | 16 ++++++++++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
> index af7cf23..e256456 100644
> --- a/drivers/pci/pcie/portdrv.h
> +++ b/drivers/pci/pcie/portdrv.h
> @@ -150,4 +150,5 @@ static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {}
> #endif /* !CONFIG_PCIE_PME */
>
> struct device *pcie_port_find_device(struct pci_dev *dev, u32 service);
> +int pcie_port_service_get_irq(struct pci_dev *dev, u32 service);
> #endif /* _PORTDRV_H_ */
> diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
> index 50a9522..f92daf8 100644
> --- a/drivers/pci/pcie/portdrv_core.c
> +++ b/drivers/pci/pcie/portdrv_core.c
> @@ -480,6 +480,22 @@ struct device *pcie_port_find_device(struct pci_dev *dev,
> }
> EXPORT_SYMBOL_GPL(pcie_port_find_device);
>
> +/*
> + * pcie_port_service_get_irq - get irq of the service
> + * @dev: PCI Express port the service is associated with
> + * @service: For the service to find
> + *
> + * Get irq number associated with given service on a pci_dev
> + */
> +int pcie_port_service_get_irq(struct pci_dev *dev, u32 service)
> +{
> + struct pcie_device *pciedev;
> +
> + pciedev = to_pcie_device(pcie_port_find_device(dev, service));
> +
> + return pciedev->irq;
> +}
> +
> /**
> * pcie_port_device_remove - unregister PCI Express port service devices
> * @dev: PCI Express port the service devices to unregister are associated with
> --
> 2.7.4
>
>
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