1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
new file mode 100644
index 000000000..29658c0ee
--- /dev/null
+++ b/include/linux/of_pci.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __OF_PCI_H
+#define __OF_PCI_H
+
+#include <linux/types.h>
+#include <linux/errno.h>
+
+struct pci_dev;
+struct device_node;
+
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
+struct device_node *of_pci_find_child_device(struct device_node *parent,
+					     unsigned int devfn);
+int of_pci_get_devfn(struct device_node *np);
+void of_pci_check_probe_only(void);
+#else
+static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
+					     unsigned int devfn)
+{
+	return NULL;
+}
+
+static inline int of_pci_get_devfn(struct device_node *np)
+{
+	return -EINVAL;
+}
+
+static inline void of_pci_check_probe_only(void) { }
+#endif
+
+#if IS_ENABLED(CONFIG_OF_IRQ)
+int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
+#else
+static inline int
+of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return 0;
+}
+#endif
+
+#endif