bus/dpaa: fix default IOVA mode

Fix dpaa bus returning IOVA as PA even when it is not running on dpaa
platform.

Fixes: 1ee9569576f6 ("config: enable dpaaX drivers for generic ARMv8")
Fixes: d5a4e3a00c4a ("bus/dpaa: set IOVA mode as physical")
Cc: stable@dpdk.org
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 290b967..f2bb3b1 100644 (file)
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -541,6 +541,10 @@ rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 static enum rte_iova_mode
 rte_dpaa_get_iommu_class(void)
 {
+       if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
+           (access(DPAA_DEV_PATH2, F_OK) != 0)) {
+               return RTE_IOVA_DC;
+       }
        return RTE_IOVA_PA;
 }