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@@ -94,3 +94,28 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
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return of_irq_parse_raw(laddr, out_irq);
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}
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EXPORT_SYMBOL_GPL(of_irq_parse_pci);
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+
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+/**
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+ * of_irq_parse_and_map_pci() - Decode a PCI irq from the device tree and map to a virq
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+ * @dev: The pci device needing an irq
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+ * @slot: PCI slot number; passed when used as map_irq callback. Unused
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+ * @pin: PCI irq pin number; passed when used as map_irq callback. Unused
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+ *
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+ * @slot and @pin are unused, but included in the function so that this
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+ * function can be used directly as the map_irq callback to pci_fixup_irqs().
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+ */
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+int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ struct of_phandle_args oirq;
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+ int ret;
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+
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+ ret = of_irq_parse_pci(dev, &oirq);
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+ if (ret) {
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+ dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret);
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+ return 0; /* Proper return code 0 == NO_IRQ */
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+ }
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+
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+ return irq_create_of_mapping(&oirq);
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+}
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+EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci);
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+
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