linux-kernel - Re: [PATCH 11/11] PM / devfreq: imx8m-ddrc: drop polling

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Date:   Wed, 10 Mar 2021 01:23:06 +0900
From:   Chanwoo Choi <cwchoi00@...il.com>
To:     Dong Aisheng <aisheng.dong@....com>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     dongas86@...il.com, kernel@...gutronix.de, shawnguo@...nel.org,
        linux-imx@....com, linux-kernel@...r.kernel.org,
        myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        cw00.choi@...sung.com, abel.vesa@....com
Subject: Re: [PATCH 11/11] PM / devfreq: imx8m-ddrc: drop polling_ms

On 21. 3. 9. 오후 9:58, Dong Aisheng wrote:
> polling_ms is only used by simple ondemand governor which
> this driver can't support. Drop it to avoid confusing.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong@....com>
> ---
>   drivers/devfreq/imx8m-ddrc.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
> index 0a6b7a1c829d..ecb9375aa877 100644
> --- a/drivers/devfreq/imx8m-ddrc.c
> +++ b/drivers/devfreq/imx8m-ddrc.c
> @@ -417,7 +417,6 @@ 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.exit = imx8m_ddrc_exit;
>   	priv->profile.get_cur_freq = imx8m_ddrc_get_cur_freq;
> 

You can squash this patch with patch10 because polling_ms
is related to .get_dev_status.

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi