linux-kernel - Re: [PATCH 5/5] arm64: dts: qcom: msm8916: Enable modem and WiFi

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Message-ID: <f03b639f-f95a-a31a-6615-23cd6154182d@linaro.org>
Date:   Mon, 15 Mar 2021 12:01:25 +0000
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, wcn36xx@...ts.infradead.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] arm64: dts: qcom: msm8916: Enable modem and WiFi

On 12/03/2021 00:33, Bjorn Andersson wrote:
> Enable the modem and WiFi subsystems and specify msm8916 specific
> firmware path for these and the WCNSS control service.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>   arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 12 ++++++++++++
>   arch/arm64/boot/dts/qcom/msm8916.dtsi     |  2 +-
>   2 files changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> index 6aef0c2e4f0a..448e3561ef63 100644
> --- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> @@ -305,6 +305,12 @@ &mdss {
>   	status = "okay";
>   };
>   
> +&mpss {
> +	status = "okay";
> +
> +	firmware-name = "qcom/msm8916/mba.mbn", "qcom/msm8916/modem.mbn";
> +};
> +
>   &pm8916_resin {
>   	status = "okay";
>   	linux,code = <KEY_VOLUMEDOWN>;
> @@ -312,6 +318,8 @@ &pm8916_resin {
>   
>   &pronto {
>   	status = "okay";
> +
> +	firmware-name = "qcom/msm8916/wcnss.mbn";
>   };

On Debian I have to do this


index 2a6a23cb14ca..597cdc8f51cc 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -33,7 +33,7 @@
  #include "qcom_wcnss.h"

  #define WCNSS_CRASH_REASON_SMEM                422
-#define WCNSS_FIRMWARE_NAME            "wcnss.mdt"
+#define WCNSS_FIRMWARE_NAME            "qcom/msm8916/wcnss.mdt"

so I guess wcnss_probe() -> rproc_alloc() wants this fix too.

---
bod