Re: [PATCH] arm64: dts: qcom: msm8998: Reserve gpio ranges on MTP

[Jeffrey Hugo]

On 10/29/2018 11:45 PM, Bjorn Andersson wrote:
> GPIOs 0 through 3 and 81 through 84 are configured to not be accessible
> from the application CPUs. Mark them as reserved to allow the MSM8998
> MTP to boot after the introduction of 3edfb7bd76bd ("gpiolib: Show
> correct direction from the beginning").
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>   arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
> index b4276da1fb0d..11fd1fe8bdb5 100644
> --- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
> @@ -241,3 +241,7 @@
>   		};
>   	};
>   };
> +
> +&tlmm {
> +	gpio-reserved-ranges = <0 4>, <81 4>;
> +};

Does Documentation/devicetree/bindings/pinctrl/qcom,msm8998-pinctrl.txt 
need to be updated?  Seems like the majority of the other qcom pinctrl 
bindings docs mention that gpio-reserved-ranges is optional.

In any case,
Reviewed-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>

--
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm 
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.