Messages in this thread | | | From | Heiko Stuebner <> | Subject | Re: [PATCH] arm64: dts: rockchip: disable tx ipgap linecheck for rk3399 dwc3 | Date | Fri, 18 Aug 2017 11:18:24 +0200 |
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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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