pci: rmobile: Filter out device 1 and 2

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>

diff --git a/drivers/pci/pci-rcar-gen2.c b/drivers/pci/pci-rcar-gen2.c
index cbaba1986a423a54f9ef3280f897ed5faa7fe43c..d913d53f3c3382dd3060a60021920190d010ac2d 100644 (file)
--- 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 */