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dm: pci: Optimize pci_uclass_post_bind()

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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>
This commit is contained in:
Bin Meng 2015-08-24 01:14:01 -07:00 committed by Simon Glass
parent 3242998e24
commit 1887ed3ad6
1 changed files with 7 additions and 0 deletions
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7
drivers/pci/pci-uclass.c
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@ -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