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From: Chanwoo Choi <cwchoi00@gmail.com>
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
Subject: Re: [PATCH 10/11] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status
Date: Wed, 10 Mar 2021 01:22:05 +0900	[thread overview]
Message-ID: <ece39c80-a398-a9e4-6922-5805aba5254a@gmail.com> (raw)
In-Reply-To: <1615294733-22761-11-git-send-email-aisheng.dong@nxp.com>

On 21. 3. 9. 오후 9:58, 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.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
> ---
>   drivers/devfreq/imx8m-ddrc.c | 13 -------------
>   1 file changed, 13 deletions(-)
> 
> diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
> index bc82d3653bff..0a6b7a1c829d 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);
> @@ -431,7 +419,6 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
>   
>   	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);
> 

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

Will merge this patch after finishing the discussion of
prev patch related to.get_dev_status.

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi

  reply	other threads:[~2021-03-09 16:22 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 12:58 [PATCH 00/11] PM / devfreq: a few small fixes and improvements Dong Aisheng
2021-03-09 12:58 ` [PATCH 01/11] doc: ABI: devfreq: remove invalid central_polling description Dong Aisheng
2021-03-09 15:01   ` Chanwoo Choi
2021-03-09 12:58 ` [PATCH 02/11] PM / devfreq: remove the invalid description for get_target_freq Dong Aisheng
2021-03-09 15:02   ` Chanwoo Choi
2021-03-09 15:14     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 03/11] PM / devfreq: fix the wrong set_freq path for userspace governor Dong Aisheng
2021-03-09 15:13   ` Chanwoo Choi
2021-03-09 15:16     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 04/11] PM / devfreq: bail out early if no freq changes in devfreq_set_target Dong Aisheng
2021-03-09 15:47   ` Chanwoo Choi
2021-03-10  2:42     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 05/11] PM / devfreq: use more accurate returned new_freq as resume_freq Dong Aisheng
2021-03-09 15:53   ` Chanwoo Choi
2021-03-10  2:43     ` Dong Aisheng
2021-03-10  3:07       ` Chanwoo Choi
2021-03-10  3:04         ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 06/11] PM / devfreq: drop the unnecessary low variable initialization Dong Aisheng
2021-03-09 12:58 ` [PATCH 07/11] PM / devfreq: check get_dev_status before start monitor Dong Aisheng
2021-03-09 15:58   ` Chanwoo Choi
2021-03-09 16:12     ` Chanwoo Choi
2021-03-10  2:56       ` Dong Aisheng
2021-03-10  3:25         ` Chanwoo Choi
2021-03-10  4:56           ` Dong Aisheng
2021-03-11  7:10             ` Chanwoo Choi
2021-03-12 10:57               ` Dong Aisheng
2021-03-12 16:09                 ` Chanwoo Choi
2021-03-13  6:45                   ` Dong Aisheng
2021-03-18  8:03                     ` Dong Aisheng
2021-03-18  9:54                       ` Chanwoo Choi
2021-03-18  9:59                         ` Chanwoo Choi
2021-03-18 10:51                           ` Dong Aisheng
2021-03-10  2:51     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 08/11] PM / devfreq: check get_dev_status in devfreq_update_stats Dong Aisheng
2021-03-09 16:02   ` Chanwoo Choi
2021-03-09 16:20   ` Chanwoo Choi
2021-03-10  3:00     ` Dong Aisheng
2021-03-11  7:01       ` Chanwoo Choi
2021-03-09 12:58 ` [PATCH 09/11] PM / devfreq: governor: optimize simpleondemand get_target_freq Dong Aisheng
2021-03-09 16:09   ` Chanwoo Choi
2021-03-10  3:02     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 10/11] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status Dong Aisheng
2021-03-09 16:22   ` Chanwoo Choi [this message]
2021-03-09 12:58 ` [PATCH 11/11] PM / devfreq: imx8m-ddrc: drop polling_ms Dong Aisheng
2021-03-09 16:23   ` Chanwoo Choi
2021-03-10  3:03     ` Dong Aisheng
2021-03-09 12:58 ` [PATCH 00/11] PM / devfreq: a few small fixes and improvements Dong Aisheng
2021-03-09 12:58 ` [PATCH 01/11] doc: ABI: devfreq: remove invalid central_polling description Dong Aisheng
2021-03-09 12:58 ` [PATCH 02/11] PM / devfreq: remove the invalid description for get_target_freq Dong Aisheng
2021-03-09 12:58 ` [PATCH 03/11] PM / devfreq: fix the wrong set_freq path for userspace governor Dong Aisheng
2021-03-09 12:58 ` [PATCH 04/11] PM / devfreq: bail out early if no freq changes in devfreq_set_target Dong Aisheng
2021-03-09 12:58 ` [PATCH 05/11] PM / devfreq: use more accurate returned new_freq as resume_freq Dong Aisheng
2021-03-09 12:58 ` [PATCH 06/11] PM / devfreq: drop the unnecessary low variable initialization Dong Aisheng
2021-03-09 12:58 ` [PATCH 07/11] PM / devfreq: check get_dev_status before start monitor Dong Aisheng
2021-03-09 12:58 ` [PATCH 08/11] PM / devfreq: check get_dev_status in devfreq_update_stats Dong Aisheng
2021-03-09 12:58 ` [PATCH 09/11] PM / devfreq: governor: optimize simpleondemand get_target_freq Dong Aisheng
2021-03-09 12:58 ` [PATCH 10/11] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status Dong Aisheng
2021-03-09 12:58 ` [PATCH 11/11] PM / devfreq: imx8m-ddrc: drop polling_ms Dong Aisheng

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