linux-kernel - Re: [PATCH v6 2/3] soc: qcom: socinfo: create soc

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Date:   Tue, 30 Aug 2022 09:13:59 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/3] soc: qcom: socinfo: create soc_id table from
 bindings

On 29/08/2022 23:49, Bjorn Andersson wrote:
> On Tue, Jul 05, 2022 at 03:02:59PM +0200, Krzysztof Kozlowski wrote:
>> The Qualcomm SoC ID values are encoded in few places: DTS files,
>> Devicetree bindings (both used by some of Qualcomm bootloaders or tools)
>> and in soc_id table of socinfo driver.  Do not duplicate the actual
>> values in the last one but use the constants from the bindings.
>>
>> Tested by comparing output object file (exactly the same).
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> I didn't have a strong opinion either way on this, so was hoping someone
> else would chime in. Doesn't seem like that has happened, but
> unfortunately the soc_id[] list has changed.
> 
> Would you mind rebasing the two patches to match the latest list?

Sure.

> 
>> ---
>>  drivers/soc/qcom/socinfo.c | 259 +++++++++++++++++++------------------
>>  1 file changed, 133 insertions(+), 126 deletions(-)
>>
>> diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
>> index cee579a267a6..d515d3a97f0e 100644
>> --- a/drivers/soc/qcom/socinfo.c
>> +++ b/drivers/soc/qcom/socinfo.c
>> @@ -12,11 +12,14 @@
>>  #include <linux/slab.h>
>>  #include <linux/soc/qcom/smem.h>
>>  #include <linux/string.h>
>> +#include <linux/stringify.h>
>>  #include <linux/sys_soc.h>
>>  #include <linux/types.h>
>>  
>>  #include <asm/unaligned.h>
>>  
>> +#include <dt-bindings/arm/qcom,ids.h>
>> +
>>  /*
>>   * SoC version type with major number in the upper 16 bits and minor
>>   * number in the lower 16 bits.
>> @@ -25,6 +28,10 @@
>>  #define SOCINFO_MINOR(ver) ((ver) & 0xffff)
>>  #define SOCINFO_VERSION(maj, min)  ((((maj) & 0xffff) << 16)|((min) & 0xffff))
>>  
>> +/* Helper macros to create soc_id table */
>> +#define qcom_board_id(id) QCOM_ID_ ## id, __stringify(id)
>> +#define qcom_board_id2(id, name) QCOM_ID_ ## id, (name)
> 
> How about naming this qcom_board_id_named() ?


Yes, sure.


Best regards,
Krzysztof