From 1887ed3ad6509a4ce411b7981dd27515e0c44bb7 Mon Sep 17 00:00:00 2001 From: Bin Meng 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 Acked-by: Simon Glass --- 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 2d12344..b25298f 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -632,6 +632,13 @@ 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 * mentioned in the device tree. -- 2.7.4