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

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Message-ID: <8c64d4a5-b101-ad3d-0e5e-590f060d0104@quicinc.com>
Date:   Fri, 27 Jan 2023 09:45:56 +0530
From:   Naman Jain <quic_namajain@...cinc.com>
To:     Trilok Soni <quic_tsoni@...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 11:58 PM, Trilok Soni wrote:
> 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?


SOB line must have been deleted, in place of Change-id, by mistake. I 
run checkscript everytime, but somehow it got missed the last time, and 
I did not catch this. Sorry for the trouble and thanks for reviewing, 
addressed in v2.


>
>> ---
>>   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);