On Fri, 27 Jan 2023 at 06:12, Naman Jain <quic_namajain@xxxxxxxxxxx> 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.
>
> Signed-off-by: Naman Jain <quic_namajain@xxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> v1 -> v2: Removed change-id, included SOB line
>
> 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);
> --
> 2.17.1
>
--
With best wishes
Dmitry
