The CPU port of the BCM53125 is configured with RGMII (no delays) but
this should actually be RGMII with transmit delay (rgmii-txid) because
STMMAC takes care of inserting the transmitter delay. This fixes
occasional packet loss encountered.

Fixes: d7b9eaff5f0c ("ARM: dts: sun7i: Add BCM53125 switch nodes to the 
lamobo-r1 board")
Reported-by: Hartmut Knaack <[email protected]>
Signed-off-by: Florian Fainelli <[email protected]>
---
 arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts 
b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
index 72ec0d5ae052..bbf1c8cbaac6 100644
--- a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
+++ b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
@@ -167,7 +167,7 @@
                                        reg = <8>;
                                        label = "cpu";
                                        ethernet = <&gmac>;
-                                       phy-mode = "rgmii";
+                                       phy-mode = "rgmii-txid";
                                        fixed-link {
                                                speed = <1000>;
                                                full-duplex;
-- 
2.9.3

Reply via email to