Re: [PATCH 11/13] devfreq: tegra30: Migrate to dev_pm_opp_set_opp()

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21.01.2021 14:17, Viresh Kumar пишет:
> dev_pm_opp_set_bw() is getting removed and dev_pm_opp_set_opp() should
> be used instead. Migrate to the new API.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
>  drivers/devfreq/tegra30-devfreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
> index 117cad7968ab..d2477d7d1f66 100644
> --- a/drivers/devfreq/tegra30-devfreq.c
> +++ b/drivers/devfreq/tegra30-devfreq.c
> @@ -647,7 +647,7 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
>  		return PTR_ERR(opp);
>  	}
>  
> -	ret = dev_pm_opp_set_bw(dev, opp);
> +	ret = dev_pm_opp_set_opp(dev, opp);
>  	dev_pm_opp_put(opp);
>  
>  	return ret;
> 

This patch introduces a very serious change that needs to be fixed.

Now dev_pm_opp_set_opp() changes both clock rate and bandwidth, this is
unacceptable for this driver because it shall not touch the clock rate.

I think dev_pm_opp_set_bw() can't be removed.



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