On 04-04-19, 07:09, Niklas Cassel wrote:
> From: Jorge Ramirez-Ortiz <[email protected]>
> 

Always have something here, even for the simplest of the patches.

> Signed-off-by: Jorge Ramirez-Ortiz <[email protected]>
> Co-developed-by: Niklas Cassel <[email protected]>
> Signed-off-by: Niklas Cassel <[email protected]>
> ---
>  drivers/cpufreq/qcom-cpufreq-nvmem.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c 
> b/drivers/cpufreq/qcom-cpufreq-nvmem.c
> index 366c65a7132a..7fdc38218390 100644
> --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
> +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
> @@ -24,6 +24,7 @@
>  #include <linux/of.h>
>  #include <linux/of_device.h>
>  #include <linux/platform_device.h>
> +#include <linux/pm_domain.h>
>  #include <linux/pm_opp.h>
>  #include <linux/slab.h>
>  #include <linux/soc/qcom/smem.h>
> @@ -79,6 +80,13 @@ static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
>       return version;
>  }
>  
> +static int qcom_cpufreq_qcs404_name_version(struct device *cpu_dev,
> +                                         struct nvmem_cell *speedbin_nvmem,
> +                                         struct qcom_cpufreq_drv *drv)
> +{
> +     return 0;
> +}
> +

Why provide empty stubs? Rather check for get_version() in probe and call only
if it is supported.

>  static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
>                                         struct nvmem_cell *speedbin_nvmem,
>                                         struct qcom_cpufreq_drv *drv)
> @@ -191,6 +199,14 @@ static int qcom_cpufreq_probe(struct platform_device 
> *pdev)
>                       dev_err(cpu_dev, "Failed to set supported hardware\n");
>                       goto free_opp;
>               }
> +
> +             ret = dev_pm_domain_attach(cpu_dev, false);

Why is it required specially for this platform and not earlier ?

And I was hoping for the attach-by-name thing to be present here instead because
of multiple domain thing.

> +             if (ret) {
> +                     if (ret == -EPROBE_DEFER)
> +                             goto free_opp;
> +                     dev_err(cpu_dev, "Could not attach to pm_domain: %d\n",
> +                             ret);

And it is okay if we couldn't attach the domain ?

> +             }
>       }
>  
>       cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
> @@ -247,6 +263,8 @@ static const struct of_device_id 
> qcom_cpufreq_match_list[] __initconst = {
>         .data = qcom_cpufreq_kryo_name_version },
>       { .compatible = "qcom,msm8996",
>         .data = qcom_cpufreq_kryo_name_version },
> +     { .compatible = "qcom,qcs404",
> +       .data = qcom_cpufreq_qcs404_name_version },
>       {},
>  };
>  
> -- 
> 2.20.1

-- 
viresh

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