Re: [PATCH v5 13/25] PM / devfreq: rockchip-dfi: Pass private data struct to internal functions

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Hi,

On Wed, May 24, 2023 at 10:31:41AM +0200, Sascha Hauer wrote:
> The internal functions do not need the struct devfreq_event_dev *,
> so pass them the struct rockchip_dfi *. This is a preparation for
> adding perf support later which doesn't have a struct devfreq_event_dev *.
> 
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

-- Sebastian

>  drivers/devfreq/event/rockchip-dfi.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
> index 0a568c5551699..d39db5de7f19c 100644
> --- a/drivers/devfreq/event/rockchip-dfi.c
> +++ b/drivers/devfreq/event/rockchip-dfi.c
> @@ -72,9 +72,8 @@ struct rockchip_dfi {
>  	unsigned int channel_mask;
>  };
>  
> -static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
> +static void rockchip_dfi_start_hardware_counter(struct rockchip_dfi *dfi)
>  {
> -	struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
>  	void __iomem *dfi_regs = dfi->regs;
>  
>  	/* clear DDRMON_CTRL setting */
> @@ -102,18 +101,16 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
>  		       dfi_regs + DDRMON_CTRL);
>  }
>  
> -static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev *edev)
> +static void rockchip_dfi_stop_hardware_counter(struct rockchip_dfi *dfi)
>  {
> -	struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
>  	void __iomem *dfi_regs = dfi->regs;
>  
>  	writel_relaxed(HIWORD_UPDATE(0, DDRMON_CTRL_SOFTWARE_EN),
>  		       dfi_regs + DDRMON_CTRL);
>  }
>  
> -static void rockchip_dfi_read_counters(struct devfreq_event_dev *edev, struct dmc_count *count)
> +static void rockchip_dfi_read_counters(struct rockchip_dfi *dfi, struct dmc_count *count)
>  {
> -	struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
>  	u32 i;
>  	void __iomem *dfi_regs = dfi->regs;
>  
> @@ -131,7 +128,7 @@ static int rockchip_dfi_disable(struct devfreq_event_dev *edev)
>  {
>  	struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
>  
> -	rockchip_dfi_stop_hardware_counter(edev);
> +	rockchip_dfi_stop_hardware_counter(dfi);
>  	clk_disable_unprepare(dfi->clk);
>  
>  	return 0;
> @@ -148,7 +145,7 @@ static int rockchip_dfi_enable(struct devfreq_event_dev *edev)
>  		return ret;
>  	}
>  
> -	rockchip_dfi_start_hardware_counter(edev);
> +	rockchip_dfi_start_hardware_counter(dfi);
>  	return 0;
>  }
>  
> @@ -166,7 +163,7 @@ static int rockchip_dfi_get_event(struct devfreq_event_dev *edev,
>  	u32 access = 0, total = 0;
>  	int i;
>  
> -	rockchip_dfi_read_counters(edev, &count);
> +	rockchip_dfi_read_counters(dfi, &count);
>  
>  	/* We can only report one channel, so find the busiest one */
>  	for (i = 0; i < DMC_MAX_CHANNELS; i++) {
> -- 
> 2.39.2
> 

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