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-rw-r--r--Documentation/devicetree/bindings/net/stmmac.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index 784d98862b52..f652b0c384ce 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -103,6 +103,8 @@ Optional properties:
- Choose one of these modes:
- snps,dcb-algorithm: TX queue will be working in DCB
- snps,avb-algorithm: TX queue will be working in AVB
+ [Attention] Queue 0 is reserved for legacy traffic
+ and so no AVB is available in this queue.
- Configure Credit Base Shaper (if AVB Mode selected):
- snps,send_slope: enable Low Power Interface
- snps,idle_slope: unlock on WoL