bus/fslmc: disable annotation prefetch for LX2

In case of LX2 we get parse result summary in FD. We do not need to
prefetch and read the annotation to fetch the parse results.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>

diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c
index 89cfd29..953fed2 100644 (file)
--- a/drivers/net/dpaa2/dpaa2_rxtx.c
+++ b/drivers/net/dpaa2/dpaa2_rxtx.c
@@ -554,10 +554,12 @@ dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
                }
                fd = qbman_result_DQ_fd(dq_storage);
 
-               next_fd = qbman_result_DQ_fd(dq_storage + 1);
-               /* Prefetch Annotation address for the parse results */
-               rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(next_fd)
-                               + DPAA2_FD_PTA_SIZE + 16));
+               if (dpaa2_svr_family != SVR_LX2160A) {
+                       next_fd = qbman_result_DQ_fd(dq_storage + 1);
+                       /* Prefetch Annotation address for the parse results */
+                       rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(
+                                     next_fd) + DPAA2_FD_PTA_SIZE + 16));
+               }
 
                if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg))
                        bufs[num_rx] = eth_sg_fd_to_mbuf(fd);