fs_enet: Fix SCC Ethernet on CPM2, and crash in fs_enet_rx_napi()

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index 9a51ec8293cc..9d461825bf4c 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -792,6 +792,10 @@ static int fs_enet_open(struct net_device *dev)
         int r;
         int err;
 
+        /* to initialize the fep->cur_rx,... */
+        /* not doing this, will cause a crash in fs_enet_rx_napi */
+        fs_init_bds(fep->ndev);
+
         if (fep->fpi->use_napi)
                 napi_enable(&fep->napi);
 
@@ -1167,6 +1171,10 @@ static struct of_device_id fs_enet_match[] = {
                 .compatible = "fsl,cpm1-scc-enet",
                 .data = (void *)&fs_scc_ops,
         },
+        {
+                .compatible = "fsl,cpm2-scc-enet",
+                .data = (void *)&fs_scc_ops,
+        },
 #endif
 #ifdef CONFIG_FS_ENET_HAS_FCC
         {