diff options
Diffstat (limited to 'arch/arm/mach-kirkwood')
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index ec544918b12..74fc5a074fc 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -207,14 +207,19 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } +/* + * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it + * is operating as a root complex this needs to be switched to + * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on + * the device. Decoding setup is handled by the orion code. + */ static void __devinit rc_pci_fixup(struct pci_dev *dev) { - /* - * Prevent enumeration of root complex. - */ if (dev->bus->parent == NULL && dev->devfn == 0) { int i; + dev->class &= 0xff; + dev->class |= PCI_CLASS_BRIDGE_HOST << 8; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { dev->resource[i].start = 0; dev->resource[i].end = 0; |