linux-kernel - Re: [PATCH] soc: qcom: socinfo: Add support for new field in revision 17

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Date:   Wed, 25 Jan 2023 10:28:31 -0800
From:   Trilok Soni <quic_tsoni@...cinc.com>
To:     Naman Jain <quic_namajain@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH] soc: qcom: socinfo: Add support for new field in revision
 17

On 1/25/2023 12:14 AM, Naman Jain wrote:
> Add support for new field coming with socinfo structure under v17 to get
> hardware platform's oem variant id. This is to enable OEMs to have minor
> changes in the board, but to use the same platform subtype as the one
> supported by Qualcomm. The new field is to be used in platform overlay
> file. Default value is 0, reserved for Qualcomm platforms. Also, add
> debugfs support to read this field for a device.
> 
> Change-Id: I18f80084bc75466f3fcccd55fd21b37d69245aa6

I don't see SOB line. Please remove Change-ID. Run checkpatch?

> ---
>   drivers/soc/qcom/socinfo.c | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
> index 10efdbcfdf05..10cdd32ce74d 100644
> --- a/drivers/soc/qcom/socinfo.c
> +++ b/drivers/soc/qcom/socinfo.c
> @@ -174,6 +174,8 @@ struct socinfo {
>   	__le32  pcode;
>   	__le32  npartnamemap_offset;
>   	__le32  nnum_partname_mapping;
> +	/* Version 17 */
> +	__le32 oem_variant;
>   };
>   
>   #ifdef CONFIG_DEBUG_FS
> @@ -196,6 +198,7 @@ struct socinfo_params {
>   	u32 nmodem_supported;
>   	u32 feature_code;
>   	u32 pcode;
> +	u32 oem_variant;
>   };
>   
>   struct smem_image_version {
> @@ -519,6 +522,11 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
>   			   &qcom_socinfo->info.fmt);
>   
>   	switch (qcom_socinfo->info.fmt) {
> +	case SOCINFO_VERSION(0, 17):
> +		qcom_socinfo->info.oem_variant = __le32_to_cpu(info->oem_variant);
> +		debugfs_create_u32("oem_variant", 0444, qcom_socinfo->dbg_root,
> +				   &qcom_socinfo->info.oem_variant);
> +		fallthrough;
>   	case SOCINFO_VERSION(0, 16):
>   		qcom_socinfo->info.feature_code = __le32_to_cpu(info->feature_code);
>   		qcom_socinfo->info.pcode = __le32_to_cpu(info->pcode);