linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node

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Date:   Thu, 19 Dec 2019 09:47:55 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Rakesh Pillai <pillair@...eaurora.org>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module
 device node

On Thu, Dec 19, 2019 at 01:15:21PM +0530, Rakesh Pillai wrote:
> Add device node for the ath10k SNOC platform driver probe
> and add resources required for WCN3990 on sc7180 soc.
> 
> Signed-off-by: Rakesh Pillai <pillair@...eaurora.org>
> ---

This does not apply cleanly against the current qcom/arm64-for-5.6
or for-next branch, looks like you need to rebase.

>  arch/arm64/boot/dts/qcom/sc7180-idp.dts |  5 +++++
>  arch/arm64/boot/dts/qcom/sc7180.dtsi    | 28 ++++++++++++++++++++++++++++
>  2 files changed, 33 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 189254f..b2ca143f 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -248,6 +248,11 @@
>  	status = "okay";
>  };
>  
> +&wifi {
> +	status = "okay";
> +	qcom,msa_fixed_perm;

What is the status of the patch adding this flag?

> +};
> +
>  /* PINCTRL - additions to nodes defined in sc7180.dtsi */
>  
>  &qup_i2c2_default {
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 666e9b9..ce2d2a5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -42,6 +42,12 @@
>  			compatible = "qcom,cmd-db";
>  			no-map;
>  		};
> +
> +		wlan_fw_mem: memory@...00000 {
> +			compatible = "removed-dma-pool";
> +			no-map;
> +			reg = <0 0x93900000 0 0x200000>;
> +		};
>  	};
>  
>  	cpus {
> @@ -1119,6 +1125,28 @@
>  				#clock-cells = <1>;
>  			};
>  		};
> +
> +		wifi: wifi@...00000 {
> +			status = "disabled";

nit: the convention seems to be to add this at the end of the node,
which IMO makes sense since most other fields provide more 'interesting'
information.