linux-kernel - [PATCH] ARC: [axs10x] cap ethernet phy to 100 Mbit/sec

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Message-Id: <1449487297-10093-1-git-send-email-abrodkin@synopsys.com>
Date:	Mon,  7 Dec 2015 14:21:37 +0300
From:	Alexey Brodkin <Alexey.Brodkin@...opsys.com>
To:	linux-snps-arc@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org,
	Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Subject: [PATCH] ARC: [axs10x] cap ethernet phy to 100 Mbit/sec

Current ARC SDP boards cannot reliably handle 1Gbit
Ethernet connections due to limitations in hardware.

To make sure networking is stable on the board we're
limiting phy to 100 Mbit.

Signed-off-by: Alexey Brodkin <abrodkin@...opsys.com>
Cc: Vineet Gupta <vgupta@...opsys.com>
---
 arch/arc/boot/dts/axs10x_mb.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index f3db321..44a578c 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -46,6 +46,7 @@
 			snps,pbl = < 32 >;
 			clocks = <&apbclk>;
 			clock-names = "stmmaceth";
+			max-speed = <100>;
 		};
 
 		ehci@...0000 {
-- 
2.5.0

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