From: Dong Aisheng <aisheng.dong@nxp.com> To: 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, Dong Aisheng <aisheng.dong@nxp.com> Subject: [PATCH V2 RESEND 4/4] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status Date: Tue, 23 Mar 2021 15:20:11 +0800 [thread overview] Message-ID: <1616484011-26702-5-git-send-email-aisheng.dong@nxp.com> (raw) In-Reply-To: <1616484011-26702-1-git-send-email-aisheng.dong@nxp.com> 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); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Dong Aisheng <aisheng.dong@nxp.com> To: 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, Dong Aisheng <aisheng.dong@nxp.com> Subject: [PATCH V2 RESEND 4/4] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status Date: Tue, 23 Mar 2021 15:20:11 +0800 [thread overview] Message-ID: <1616484011-26702-5-git-send-email-aisheng.dong@nxp.com> (raw) In-Reply-To: <1616484011-26702-1-git-send-email-aisheng.dong@nxp.com> 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); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-23 7:35 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-23 7:20 [PATCH V2 RESEND 0/4] PM / devfreq: a few small fixes and improvements Dong Aisheng 2021-03-23 7:20 ` Dong Aisheng 2021-03-23 7:20 ` [PATCH V2 RESEND 1/4] PM / devfreq: Use more accurate returned new_freq as resume_freq Dong Aisheng 2021-03-23 7:20 ` Dong Aisheng 2021-03-23 14:55 ` Chanwoo Choi 2021-03-23 14:55 ` Chanwoo Choi 2021-03-23 7:20 ` [PATCH V2 RESEND 2/4] PM / devfreq: Remove the invalid description for get_target_freq Dong Aisheng 2021-03-23 7:20 ` Dong Aisheng 2021-03-23 14:56 ` Chanwoo Choi 2021-03-23 14:56 ` Chanwoo Choi 2021-03-23 7:20 ` [PATCH V2 RESEND 3/4] PM / devfreq: bail out early if no freq changes in devfreq_set_target Dong Aisheng 2021-03-23 7:20 ` Dong Aisheng 2021-03-23 15:01 ` Chanwoo Choi 2021-03-23 15:01 ` Chanwoo Choi 2021-05-19 6:51 ` Dong Aisheng 2021-05-19 6:51 ` Dong Aisheng 2021-03-23 7:20 ` Dong Aisheng [this message] 2021-03-23 7:20 ` [PATCH V2 RESEND 4/4] PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status Dong Aisheng 2021-03-23 14:56 ` Chanwoo Choi 2021-03-23 14:56 ` Chanwoo Choi
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