linux-kernel - Re: [PATCH] remoteproc: qcom: pas: Add missing power-domain "mxc" for CDSP

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Date:   Wed, 17 Nov 2021 12:57:12 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sibi Sankar <sibis@...eaurora.org>
Cc:     vkoul@...nel.org, agross@...nel.org, ohad@...ery.com,
        mathieu.poirier@...aro.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] remoteproc: qcom: pas: Add missing power-domain "mxc"
 for CDSP

On Thu 24 Jun 13:33 CDT 2021, Sibi Sankar wrote:

> Add missing power-domain "mxc" required by CDSP PAS remoteproc on SM8350
> SoC.
> 
> Fixes: e8b4e9a21af7 ("remoteproc: qcom: pas: Add SM8350 PAS remoteprocs")
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> Cc: stable@...r.kernel.org
> ---
> 
> The device tree and pas documentation lists mcx as a required pd for cdsp.
> Looks like it was missed while adding the proxy pds in the pas driver.
> Bjorn/Vinod you'll need to test this patch before picking it up.
> 

At least on the HDK mxc seems to be optional given the current system
state, but I don't see any regressions so let's land this before we put
the system in a state where it would matter.

Tested-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Regards,
Bjorn

>  drivers/remoteproc/qcom_q6v5_pas.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> index b921fc26cd04..ad20065dbdea 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -661,6 +661,7 @@ static const struct adsp_data sm8350_cdsp_resource = {
>  	},
>  	.proxy_pd_names = (char*[]){
>  		"cx",
> +		"mxc",
>  		NULL
>  	},
>  	.ssr_name = "cdsp",
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>