Re: [PATCH] arm64: dts: rockchip: disable tx ipgap linecheck for rk3399 dwc3

From	Heiko Stuebner <heiko@sntech.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH] arm64: dts: rockchip: disable tx ipgap linecheck for rk3399 dwc3
Date	2017-08-18 11:20 +0200
Message-ID	<ufLBD-1uG-1@gated-at.bofh.it> (permalink)
References	<ufolI-2dr-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Am Donnerstag, 17. August 2017, 16:24:32 CEST schrieb William Wu:
> RK3399 USB DWC3 controller has a issue that FS/LS devices not
> recognized if inserted through USB 3.0 HUB. It's because that
> the inter-packet delay between the SSPLIT token to SETUP token
> is about 566ns, more then the USB spec requirement.
> 
> This patch adds a quirk "snps,dis-tx-ipgap-linecheck-quirk" to
> disable the u2mac linestate check to decrease the SSPLIT token
> to SETUP token inter-packet delay from 566ns to 466ns.
> 
> Signed-off-by: William Wu <william.wu@rock-chips.com>

applied for 4.14


Thanks
Heiko

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[PATCH] arm64: dts: rockchip: disable tx ipgap linecheck for rk3399 dwc3 William Wu <william.wu@rock-chips.com> - 2017-08-17 10:30 +0200
  Re: [PATCH] arm64: dts: rockchip: disable tx ipgap linecheck for rk3399 dwc3 Heiko Stuebner <heiko@sntech.de> - 2017-08-18 11:20 +0200

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