From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Rob Herring <robh+dt@kernel.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Marc Zyngier <maz@kernel.org>
Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Masami Hiramatsu <masami.hiramatsu@linaro.org>,
Jassi Brar <jaswinder.singh@linaro.org>,
Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Subject: [PATCH v6 1/6] PCI: portdrv: Add pcie_port_service_get_irq() function
Date: Fri, 7 Aug 2020 19:25:17 +0900 [thread overview]
Message-ID: <1596795922-705-2-git-send-email-hayashi.kunihiko@socionext.com> (raw)
In-Reply-To: <1596795922-705-1-git-send-email-hayashi.kunihiko@socionext.com>
Add pcie_port_service_get_irq() that returns the virtual IRQ number
for specified portdrv service.
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@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
next prev parent reply other threads:[~2020-08-07 10:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 10:25 [PATCH v6 0/6] PCI: uniphier: Add features for UniPhier PCIe host controller Kunihiko Hayashi
2020-08-07 10:25 ` Kunihiko Hayashi [this message]
2020-08-07 10:25 ` [PATCH v6 2/6] PCI: dwc: Add msi_host_isr() callback Kunihiko Hayashi
2020-09-10 18:20 ` Rob Herring
2020-08-07 10:25 ` [PATCH v6 3/6] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Kunihiko Hayashi
2020-08-07 10:25 ` [PATCH v6 4/6] dt-bindings: PCI: uniphier: Add iATU register description Kunihiko Hayashi
2020-08-07 10:25 ` [PATCH v6 5/6] PCI: uniphier: Add iATU register support Kunihiko Hayashi
2020-08-17 16:48 ` Rob Herring
2020-08-21 7:05 ` Kunihiko Hayashi
2020-09-03 22:12 ` Rob Herring
2020-09-07 16:09 ` Kunihiko Hayashi
2020-08-07 10:25 ` [PATCH v6 6/6] PCI: uniphier: Add error message when failed to get phy Kunihiko Hayashi
2020-08-17 16:39 ` Rob Herring
2020-08-21 7:05 ` Kunihiko Hayashi
2020-09-03 22:25 ` Rob Herring
2020-09-07 16:09 ` Kunihiko Hayashi
2020-09-10 18:24 ` Rob Herring
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