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Subject: Re: [PATCH V2 RESEND 4/4] PM / devfreq: imx8m-ddrc: remove
 imx8m_ddrc_get_dev_status
To:     Dong Aisheng <aisheng.dong@nxp.com>, linux-pm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Cc:     dongas86@gmail.com, kernel@pengutronix.de, shawnguo@kernel.org,
        linux-imx@nxp.com, linux-kernel@vger.kernel.org,
        myungjoo.ham@samsung.com, kyungmin.park@samsung.com,
        cw00.choi@samsung.com, abel.vesa@nxp.com
References: <1616484011-26702-1-git-send-email-aisheng.dong@nxp.com>
 <1616484011-26702-5-git-send-email-aisheng.dong@nxp.com>
From:   Chanwoo Choi <cwchoi00@gmail.com>
Message-ID: <4f0cb67c-7f68-580a-9fbe-43b02d74c8a0@gmail.com>
Date:   Tue, 23 Mar 2021 23:56:45 +0900
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On 21. 3. 23. 오후 4:20, Dong Aisheng wrote:
> Current driver actually does not support simple ondemand governor
> as it's unable to provide device load information. So removing
> the unnecessary callback to avoid confusing.
> Right now the driver is using userspace governor by default.
> 
> polling_ms was also dropped as it's not needed for non-ondemand
> governor.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
> ---
>   drivers/devfreq/imx8m-ddrc.c | 14 --------------
>   1 file changed, 14 deletions(-)
> 
> diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
> index bc82d3653bff..ecb9375aa877 100644
> --- a/drivers/devfreq/imx8m-ddrc.c
> +++ b/drivers/devfreq/imx8m-ddrc.c
> @@ -280,18 +280,6 @@ static int imx8m_ddrc_get_cur_freq(struct device *dev, unsigned long *freq)
>   	return 0;
>   }
>   
> -static int imx8m_ddrc_get_dev_status(struct device *dev,
> -				     struct devfreq_dev_status *stat)
> -{
> -	struct imx8m_ddrc *priv = dev_get_drvdata(dev);
> -
> -	stat->busy_time = 0;
> -	stat->total_time = 0;
> -	stat->current_frequency = clk_get_rate(priv->dram_core);
> -
> -	return 0;
> -}
> -
>   static int imx8m_ddrc_init_freq_info(struct device *dev)
>   {
>   	struct imx8m_ddrc *priv = dev_get_drvdata(dev);
> @@ -429,9 +417,7 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
>   	if (ret < 0)
>   		goto err;
>   
> -	priv->profile.polling_ms = 1000;
>   	priv->profile.target = imx8m_ddrc_target;
> -	priv->profile.get_dev_status = imx8m_ddrc_get_dev_status;
>   	priv->profile.exit = imx8m_ddrc_exit;
>   	priv->profile.get_cur_freq = imx8m_ddrc_get_cur_freq;
>   	priv->profile.initial_freq = clk_get_rate(priv->dram_core);
> 

Applied it. Thanks.

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi