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