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arm64: dts: rockchip: fix rk3328-roc-cc gmac2io tx/rx_delay

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[ Upstream commit 924726888f660b2a86382a5dd051ec9ca1b18190 ]

The rk3328-roc-cc board exhibits tx stability issues with large packets,
as does the rock64 board, which was fixed with this patch
https://patchwork.kernel.org/patch/10178969/

A similar patch was merged for the rk3328-roc-cc here
https://patchwork.kernel.org/patch/10804863/
but it doesn't include the tx/rx_delay tweaks, and I find that they
help with an issue where large transfers would bring the ethernet
link down, causing a link reset regularly.

Signed-off-by: Leonidas P. Papadakos <papadakospan@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Leonidas P. Papadakos
2019-03-01 00:29:23 +02:00
committed by Greg Kroah-Hartman
parent 3e6b472f47
commit dbfef4bd88
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
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@ -94,8 +94,8 @@
snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
snps,reset-delays-us = <0 10000 50000>;
tx_delay = <0x25>;
rx_delay = <0x11>;
tx_delay = <0x24>;
rx_delay = <0x18>;
status = "okay";
};