pci: ignore devices already managed in Linux when mapping x86 ioport

call pci_ioport_map (on x86) only if the pci device is not bound
to a kernel driver.

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 3c2198a..9f75252 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -620,11 +620,13 @@ rte_eal_pci_ioport_map(struct rte_pci_device *dev, int bar,
        case RTE_KDRV_UIO_GENERIC:
                ret = pci_uio_ioport_map(dev, bar, p);
                break;
-       default:
+       case RTE_KDRV_NONE:
 #if defined(RTE_ARCH_X86)
                ret = pci_ioport_map(dev, bar, p);
 #endif
                break;
+       default:
+               break;
        }
 
        if (!ret)