Commit 0650d401 authored Jan 09, 2019 by Jose Abreu Committed by David S. Miller Jan 11, 2019

net: stmmac: Check if CBS is supported before configuring

Check if CBS is currently supported before trying to configure it in HW.

Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent fcc509eb

drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -301,6 +301,8 @@ static int tc_setup_cbs(struct stmmac_priv *priv,
		/* Queue 0 is not AVB capable */
		if (queue <= 0 \|\| queue >= tx_queues_count)
		return -EINVAL;
		if (!priv->dma_cap.av)
		return -EOPNOTSUPP;
		if (priv->speed != SPEED_100 && priv->speed != SPEED_1000)
		return -EOPNOTSUPP;

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