linux-kernel - Re: [PATCH] soc: qcom: socinfo: add support for new fields in revisions 20,21,22, and 23

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Message-ID: <3ebfephjmohck2y4upx6qe7yt7b6ocooe6ae5sfmom44oxz3fy@yeaiuy7ivpt5>
Date: Thu, 13 Nov 2025 12:36:33 -0600
From: Bjorn Andersson <andersson@...nel.org>
To: Ananthu C V <ananthu.cv@....qualcomm.com>
Cc: Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH] soc: qcom: socinfo: add support for new fields in
 revisions 20,21,22, and 23

On Thu, Nov 13, 2025 at 12:55:06AM -0800, Ananthu C V wrote:
> add support for the below fields in socinfo structure:
> - v20:
>   * raw_package_type: type of the raw package
> - v21:
>   * partial_features_array_offset: position on array indexed by
>     ChipInfoPartType, each bit notes the corresponding component being
>     enabled or disabled
> - v22:
>   * cpu_cores_array_offset: position on array of cpu cores per cluster
> - v23:
>   * part_instances_offset: position on array of PlatformInfoPartInfoType
>     structures
>   * num_part_instances: length of the array of part_instances at
>     part_instances_offset
> 

Please see https://lore.kernel.org/r/20251104130906.167666-1-mukesh.ojha@oss.qualcomm.com

Regards,
Bjorn

> Signed-off-by: Ananthu C V <ananthu.cv@....qualcomm.com>
> ---
>  drivers/soc/qcom/socinfo.c       | 4 ++++
>  include/linux/soc/qcom/socinfo.h | 9 +++++++++
>  2 files changed, 13 insertions(+)
> 
> diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
> index 963772f45489..a14aaad51f81 100644
> --- a/drivers/soc/qcom/socinfo.c
> +++ b/drivers/soc/qcom/socinfo.c
> @@ -621,6 +621,10 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
>  			   &qcom_socinfo->info.fmt);
>  
>  	switch (qcom_socinfo->info.fmt) {
> +	case SOCINFO_VERSION(0, 23):
> +	case SOCINFO_VERSION(0, 22):
> +	case SOCINFO_VERSION(0, 21):
> +	case SOCINFO_VERSION(0, 20):
>  	case SOCINFO_VERSION(0, 19):
>  		qcom_socinfo->info.num_func_clusters = __le32_to_cpu(info->num_func_clusters);
>  		qcom_socinfo->info.boot_cluster = __le32_to_cpu(info->boot_cluster);
> diff --git a/include/linux/soc/qcom/socinfo.h b/include/linux/soc/qcom/socinfo.h
> index 608950443eee..40903c54b526 100644
> --- a/include/linux/soc/qcom/socinfo.h
> +++ b/include/linux/soc/qcom/socinfo.h
> @@ -82,6 +82,15 @@ struct socinfo {
>  	__le32 num_func_clusters;
>  	__le32 boot_cluster;
>  	__le32 boot_core;
> +	/* Version 20 */
> +	__le32 raw_package_type;
> +	/* Version 21 */
> +	__le32 partial_features_array_offset;
> +	/* Version 22 */
> +	__le32 cpu_cores_array_offset;
> +	/* Version 23 */
> +	__le32 part_instances_offset;
> +	__le32 num_part_instances;
>  };
>  
>  /* Internal feature codes */
> -- 
> 2.43.0
>