From 1887ed3ad6509a4ce411b7981dd27515e0c44bb7 Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Mon, 24 Aug 2015 01:14:01 -0700
Subject: [PATCH] dm: pci: Optimize pci_uclass_post_bind()

If there is no pci device listed in the device tree,
don't bother scanning the device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
---
 drivers/pci/pci-uclass.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 2d12344ae2..b25298fb5e 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -631,6 +631,13 @@ error:
 
 static int pci_uclass_post_bind(struct udevice *bus)
 {
+	/*
+	 * If there is no pci device listed in the device tree,
+	 * don't bother scanning the device tree.
+	 */
+	if (bus->of_offset == -1)
+		return 0;
+
 	/*
 	 * Scan the device tree for devices. This does not probe the PCI bus,
 	 * as this is not permitted while binding. It just finds devices
-- 
2.39.5