C++ (Cpp) of_irq_parse_pci 예제들

예제 #1

파일: of_pci_irq.c 프로젝트: AshishNamdev/linux

/**
 * of_irq_parse_and_map_pci() - Decode a PCI irq from the device tree and map to a virq
 * @dev: The pci device needing an irq
 * @slot: PCI slot number; passed when used as map_irq callback. Unused
 * @pin: PCI irq pin number; passed when used as map_irq callback. Unused
 *
 * @slot and @pin are unused, but included in the function so that this
 * function can be used directly as the map_irq callback to pci_fixup_irqs().
 */
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
	struct of_phandle_args oirq;
	int ret;

	ret = of_irq_parse_pci(dev, &oirq);
	if (ret)
		return 0; /* Proper return code 0 == NO_IRQ */

	return irq_create_of_mapping(&oirq);
}

예제 #2

파일: of_pci_irq.c 프로젝트: 7799/linux

/**
 * of_irq_parse_and_map_pci() - Decode a PCI irq from the device tree and map to a virq
 * @dev: The pci device needing an irq
 * @slot: PCI slot number; passed when used as map_irq callback. Unused
 * @pin: PCI irq pin number; passed when used as map_irq callback. Unused
 *
 * @slot and @pin are unused, but included in the function so that this
 * function can be used directly as the map_irq callback to pci_fixup_irqs().
 */
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
	struct of_phandle_args oirq;
	int ret;

	ret = of_irq_parse_pci(dev, &oirq);
	if (ret) {
		dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret);
		return 0; /* Proper return code 0 == NO_IRQ */
	}

	return irq_create_of_mapping(&oirq);
}