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* [PATCH] ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY
@ 2017-03-13  9:03 yegorslists-gM/Ye1E23mwN+BqQ9rBEUg
       [not found] ` <1489395794-6243-1-git-send-email-yegorslists-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
  0 siblings, 1 reply; 2+ messages in thread
From: yegorslists-gM/Ye1E23mwN+BqQ9rBEUg @ 2017-03-13  9:03 UTC (permalink / raw)
  To: linux-omap-u79uwXL29TY76Z2rM5mHXA
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA, tony-4v6yS6AI5VpBDgjK7y7TUQ,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A, Yegor Yefremov

From: Yegor Yefremov <yegorslists-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>

Though cpsw doesn't support EEE feature, Atheros 8035 provides
automatic EEE support that is enabled by default. This causes
occasional link drops when link partner also announces EEE support.
These link drops occur on both 100Mbit/s and 1000Mbit/s speeds.
So disable EEE advertising completely.

Signed-off-by: Yegor Yefremov <yegorslists-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
---
 arch/arm/boot/dts/am335x-baltos.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
index efb5eae..d42b98f 100644
--- a/arch/arm/boot/dts/am335x-baltos.dtsi
+++ b/arch/arm/boot/dts/am335x-baltos.dtsi
@@ -371,6 +371,8 @@
 
 	phy1: ethernet-phy@1 {
 		reg = <7>;
+		eee-broken-100tx;
+		eee-broken-1000t;
 	};
 };
 
-- 
2.1.4

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2017-03-23 18:43 UTC | newest]

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2017-03-13  9:03 [PATCH] ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY yegorslists-gM/Ye1E23mwN+BqQ9rBEUg
     [not found] ` <1489395794-6243-1-git-send-email-yegorslists-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
2017-03-23 18:43   ` Tony Lindgren

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