Add pcie_port_service_get_irq() that returns the virtual IRQ number
for specified portdrv service.
Cc: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunih...@socionext.com>
---
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
