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| From | Florian Fainelli <f.fainelli@gmail.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH] ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings |
| Date | Sun, 19 Mar 2017 06:00:01 +0100 |
| Message-ID | <tmB6F-oy-3@gated-at.bofh.it> (permalink) |
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| X-Original-Cc | mo.ucina@gmail.com, Florian Fainelli <f.fainelli@gmail.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Russell King <linux@armlinux.org.uk>, Maxime Ripard <maxime.ripard@free-electrons.com>, Chen-Yu Tsai <wens@csie.org>, devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) |
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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@gmx.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
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
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[PATCH] ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings Florian Fainelli <f.fainelli@gmail.com> - 2017-03-19 06:00 +0100
Re: [PATCH] ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-03-20 09:40 +0100
Re: [PATCH] ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings Chen-Yu Tsai <wens@csie.org> - 2017-03-20 14:30 +0100
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