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-rw-r--r--include/dm/read.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/dm/read.h b/include/dm/read.h
index 0a7aacd2d0..67db94adfc 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -680,6 +680,18 @@ int dev_read_alias_highest_id(const char *stem);
*/
int dev_get_child_count(const struct udevice *dev);
+/**
+ * dev_read_pci_bus_range - Read PCI bus-range resource
+ *
+ * Look at the bus range property of a device node and return the pci bus
+ * range for this node.
+ *
+ * @dev: device to examine
+ * @res returns the resource
+ * @return 0 if ok, negative on error
+ */
+int dev_read_pci_bus_range(const struct udevice *dev, struct resource *res);
+
#else /* CONFIG_DM_DEV_READ_INLINE is enabled */
static inline int dev_read_u32(const struct udevice *dev,