From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
Rob Herring <robh@kernel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Marc Zyngier <maz@kernel.org>
Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Jassi Brar <jaswinder.singh@linaro.org>,
Masami Hiramatsu <masami.hiramatsu@linaro.org>,
Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Subject: [PATCH v10 1/3] PCI: portdrv: Add pcie_port_service_get_irq() function
Date: Sat, 10 Apr 2021 01:22:16 +0900 [thread overview]
Message-ID: <1617985338-19648-2-git-send-email-hayashi.kunihiko@socionext.com> (raw)
In-Reply-To: <1617985338-19648-1-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>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.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 2ff5724..628a3de 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -144,4 +144,5 @@ 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 e1fed664..b60f0f3 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -477,7 +477,22 @@ 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:[~2021-04-09 16:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-09 16:22 [PATCH v10 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller Kunihiko Hayashi
2021-04-09 16:22 ` Kunihiko Hayashi [this message]
2021-04-12 8:42 ` [PATCH v10 1/3] PCI: portdrv: Add pcie_port_service_get_irq() function Jonathan Cameron
2021-04-14 8:21 ` Kunihiko Hayashi
2021-04-09 16:22 ` [PATCH v10 2/3] PCI: dwc: Add msi_host_isr() callback Kunihiko Hayashi
2021-04-09 16:22 ` [PATCH v10 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Kunihiko Hayashi
2021-04-14 19:46 ` Bjorn Helgaas
2021-04-22 16:13 ` Kunihiko Hayashi
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