powerpc/85xx: Don't add disabled PCIe devices

PCIe nodes with the property status="disabled" are not usable and so
avoid adding "disabled" PCIe bridge with the system.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index f8f7f28..68ca929 100644 (file)
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -324,6 +324,11 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary)
        struct resource rsrc;
        const int *bus_range;
 
+       if (!of_device_is_available(dev)) {
+               pr_warning("%s: disabled\n", dev->full_name);
+               return -ENODEV;
+       }
+
        pr_debug("Adding PCI host bridge %s\n", dev->full_name);
 
        /* Fetch host bridge registers address */