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-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index f5c8b1bca002..7fc3a1ef395a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -143,6 +143,13 @@ static void stmmac_mtl_setup(struct platform_device *pdev,
struct device_node *tx_node;
u8 queue = 0;
+ /* For backwards-compatibility with device trees that don't have any
+ * snps,mtl-rx-config or snps,mtl-tx-config properties, we fall back
+ * to one RX and TX queues each.
+ */
+ plat->rx_queues_to_use = 1;
+ plat->tx_queues_to_use = 1;
+
rx_node = of_parse_phandle(pdev->dev.of_node, "snps,mtl-rx-config", 0);
if (!rx_node)
return;