[PATCH 4.9 026/103] ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings

From: Greg Kroah-Hartman
Date: Thu May 11 2017 - 10:20:56 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Florian Fainelli <f.fainelli@xxxxxxxxx>

commit 0cdefd5b5485ee6eb3512a75739d09a4090176ed upstream.

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 <knaack.h@xxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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;