X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fpci%2Fpci_internal.h;h=8b842f6fb491bbba7393b9b0e2ab41934d993915;hb=e8f80a5a58c9b506453cc0780687e8ed457d30a6;hp=0867575a58f9d7cbcc97faa9e547236026686e8e;hpb=774da4b9aadeea4d6973a16debc02a6801ff9344;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/pci/pci_internal.h b/drivers/pci/pci_internal.h
index 0867575..8b842f6 100644
--- a/drivers/pci/pci_internal.h
+++ b/drivers/pci/pci_internal.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Internal PCI functions, not exported outside drivers/pci
  *
  * Copyright (c) 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __pci_internal_h
@@ -47,4 +46,16 @@ void dm_pciauto_postscan_setup_bridge(struct udevice *dev, int sub_bus);
  */
 int dm_pciauto_config_device(struct udevice *dev);
 
+/**
+ * pci_get_bus() - Get a pointer to a bus, given its number
+ *
+ * This looks up a PCI bus based on its bus number. The bus is probed if
+ * necessary.
+ *
+ * @busnum:	PCI bus number to look up
+ * @busp:	Returns PCI bus on success
+ * @return 0 on success, or -ve error
+ */
+int pci_get_bus(int busnum, struct udevice **busp);
+
 #endif