1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/core/util.c b/drivers/core/util.c
new file mode 100644
index 00000000000..108a3bc4dac
--- /dev/null
+++ b/drivers/core/util.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2013 Google, Inc
+ */
+
+#include <dm/device.h>
+#include <dm/ofnode.h>
+#include <dm/read.h>
+#include <dm/util.h>
+#include <linux/libfdt.h>
+#include <vsprintf.h>
+
+int list_count_items(struct list_head *head)
+{
+	struct list_head *node;
+	int count = 0;
+
+	list_for_each(node, head)
+		count++;
+
+	return count;
+}
+
+#if CONFIG_IS_ENABLED(OF_REAL)
+int pci_get_devfn(struct udevice *dev)
+{
+	struct fdt_pci_addr addr;
+	int ret;
+
+	/* Extract the devfn from fdt_pci_addr */
+	ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG,
+				   "reg", &addr, NULL);
+	if (ret) {
+		if (ret != -ENOENT)
+			return -EINVAL;
+	}
+
+	return addr.phys_hi & 0xff00;
+}
+#endif