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-rw-r--r--drivers/net/stmmac/stmmac_main.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index c8c9e5bc6608..d37ebc80623a 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -557,9 +557,11 @@ static void free_dma_desc_resources(struct stmmac_priv *priv)
*/
static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
{
- if (likely((priv->plat->tx_coe) && (!priv->no_csum_insertion))) {
- /* In case of GMAC, SF mode has to be enabled
- * to perform the TX COE. This depends on:
+ if (likely(priv->plat->force_sf_dma_mode ||
+ ((priv->plat->tx_coe) && (!priv->no_csum_insertion)))) {
+ /*
+ * In case of GMAC, SF mode can be enabled
+ * to perform the TX COE in HW. This depends on:
* 1) TX COE if actually supported
* 2) There is no bugged Jumbo frame support
* that needs to not insert csum in the TDES.