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

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Date:   Mon, 29 Aug 2022 15:49:30 -0500
From:   Bjorn Andersson <andersson@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.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 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?

> ---
>  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() ?

Regards,
Bjorn