[PATCH 4/4] ARM: dts: rockchip: Point rk3288 dwc2 usb at the full PHY reset

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Sun Aug 21 04:06:18 PDT 2016


Hello.

On 8/21/2016 10:56 AM, Randy Li wrote:

> The "host1" port (AKA the dwc2 port that isn't the OTG port) on rk3288
> has a hardware errata that causes everything to get confused when we get
> a remote wakeup.  We'll use the reset that's in the CRU to reset the
> port when it's in a bad state.
>
> Note that we add the reset to both dwc2 controllers even though only one
> has the errata in case we find some other use for this reset that's
> unrelated to the current hardware errata.  Only the host port gets the
> quirk property, though.
>
> This patch came from Doug Anderson <dianders at chromium.org> originally.

    Was it signed off by him? Don't you need to keep his authorship via th 
"From:" tag?

> Signed-off-by: Randy Li <ayaka at soulik.info>
> ---
>  arch/arm/boot/dts/rk3288.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index 48ca4e4..646f49d 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
[...]
> @@ -871,6 +873,9 @@
>  				clocks = <&cru SCLK_OTGPHY2>;
>  				clock-names = "phyclk";
>  				#clock-cells = <0>;
> +				resets = <&cru SRST_USBHOST1_PHY>;
> +				reset-names = "phy-reset";
> +

    Don't need empty line here.

>  			};
>  		};
>  	};

MBR , Sergei




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