linux-kernel - Re: [PATCH v3 5/5] arm64: dts: rockchip: add reset property for dwc3 controllers on rk3399.

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Message-ID: <2260405.eszS2niqFZ@phil>
Date:   Sat, 16 Dec 2017 18:01:08 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     Rob Herring <robh+dt@...nel.org>, dianders@...gle.com,
        groeck@...omium.org, briannorris@...gle.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/5] arm64: dts: rockchip: add reset property for dwc3 controllers on rk3399.

Am Freitag, 15. Dezember 2017, 12:00:05 CET schrieb Enric Balletbo i Serra:
> After commit '06c47e6286d usb: dwc3: of-simple: Add support to get resets
> for the device' you can add the reset property to the dwc3 node, the reset
> is required for the controller to work properly, otherwise bind / unbind
> stress testing of the USB controller on rk3399 we'd often end up with lots
> of failures that looked like this:
> 
>   phy phy-ff800000.phy.9: phy poweron failed --> -110
>   dwc3 fe900000.dwc3: failed to initialize core
>   dwc3: probe of fe900000.dwc3 failed with error -110
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

applied for 4.16

Thanks
Heiko