Only PCI device 1 and 2 is populated on the R-Car Gen2 internal PCIe controller. Ignore all other devices. This fix prevents a duplication of OHCI controller response on slot 0 and 1.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com --- drivers/pci/pci-rcar-gen2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pci-rcar-gen2.c b/drivers/pci/pci-rcar-gen2.c index cbaba1986a..d913d53f3c 100644 --- a/drivers/pci/pci-rcar-gen2.c +++ b/drivers/pci/pci-rcar-gen2.c @@ -97,7 +97,7 @@ static int rcar_gen2_pci_addr_valid(pci_dev_t d, uint offset)
/* Only one EHCI/OHCI device built-in */ slot = PCI_DEV(d); - if (slot > 2) + if (slot != 1 && slot != 2) return -EINVAL;
/* bridge logic only has registers to 0x40 */