Fix dpaa bus returning IOVA as PA when there is no device attached to the bus.
Fixes: 1ee9569576f6 ("config: enable dpaaX drivers for generic ARMv8") Fixes: d5a4e3a00c4a ("bus/dpaa: set IOVA mode as physical") Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com> --- Currently Octeontx platform is broken due to this, please merge this asap. drivers/bus/dpaa/dpaa_bus.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c index 41ee640e2..579870297 100644 --- a/drivers/bus/dpaa/dpaa_bus.c +++ b/drivers/bus/dpaa/dpaa_bus.c @@ -501,6 +501,10 @@ 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; } -- 2.16.0