[PATCH v2 net-next 03/13] net: stmmac: Do not return error code in TC Initialization

[Jose Abreu <Jose.Abreu@synopsys.com>]

As we can still use the remaining TC callbacks, e.g. CBS. We should not
fail in the initialization only because RX Parser is not available.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 6c305b6ecad0..8dbbbf181ada 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -243,8 +243,9 @@ static int tc_init(struct stmmac_priv *priv)
 	struct dma_features *dma_cap = &priv->dma_cap;
 	unsigned int count;
 
+	/* Fail silently as we can still use remaining features, e.g. CBS */
 	if (!dma_cap->frpsel)
-		return -EINVAL;
+		return 0;
 
 	switch (dma_cap->frpbs) {
 	case 0x0:
-- 
2.7.4