Re: [PATCH 08/31] cpufreq: tegra20: Migrate to dev_pm_opp_set_config()

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On 5/26/22 14:42, Viresh Kumar wrote:
> The OPP core now provides a unified API for setting all configuration
> types, i.e. dev_pm_opp_set_config().
> 
> Lets start using it.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
>  drivers/cpufreq/tegra20-cpufreq.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c
> index e8db3d75be25..2c73623e3abb 100644
> --- a/drivers/cpufreq/tegra20-cpufreq.c
> +++ b/drivers/cpufreq/tegra20-cpufreq.c
> @@ -34,7 +34,7 @@ static bool cpu0_node_has_opp_v2_prop(void)
>  
>  static void tegra20_cpufreq_put_supported_hw(void *opp_table)
>  {
> -	dev_pm_opp_put_supported_hw(opp_table);
> +	dev_pm_opp_clear_config(opp_table);
>  }
>  
>  static void tegra20_cpufreq_dt_unregister(void *cpufreq_dt)
> @@ -49,6 +49,10 @@ static int tegra20_cpufreq_probe(struct platform_device *pdev)
>  	struct device *cpu_dev;
>  	u32 versions[2];
>  	int err;
> +	struct dev_pm_opp_config config = {
> +		.supported_hw = versions,
> +		.supported_hw_count = ARRAY_SIZE(versions),
> +	};
>  
>  	if (!cpu0_node_has_opp_v2_prop()) {
>  		dev_err(&pdev->dev, "operating points not found\n");
> @@ -71,10 +75,10 @@ static int tegra20_cpufreq_probe(struct platform_device *pdev)
>  	if (WARN_ON(!cpu_dev))
>  		return -ENODEV;
>  
> -	opp_table = dev_pm_opp_set_supported_hw(cpu_dev, versions, 2);
> -	err = PTR_ERR_OR_ZERO(opp_table);
> +	opp_table = dev_pm_opp_set_config(cpu_dev, &config);
> +	err = PTR_ERR(opp_table);

Please keep the PTR_ERR_OR_ZERO.

tegra20-cpufreq tegra20-cpufreq: failed to set OPP config: -1042688000

-- 
Best regards,
Dmitry



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