quoted

+	} else {
+		priv->sram_pool = of_gen_pool_get(dn, "cm3-mem", 0);
+		if (!priv->sram_pool) {
+			dev_warn(&pdev->dev, "DT is too old, TX FC

disabled\n");

I don't see anything in this patch that disables TX flow control, which means
this warning message is misleading.

OK, I would change to TX FC not supported.

Stefan.