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Date:   Sun,  3 Jan 2021 03:54:45 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        cw00.choi@...sung.com, krzk@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, digetx@...il.com, thierry.reding@...il.com,
        jonathanh@...dia.com, yuq825@...il.com, airlied@...ux.ie,
        daniel@...ll.ch, robdclark@...il.com, sean@...rly.run,
        robh@...nel.org, tomeu.vizoso@...labora.com, steven.price@....com,
        alyssa.rosenzweig@...labora.com, stanimir.varbanov@...aro.org,
        agross@...nel.org, bjorn.andersson@...aro.org, mchehab@...nel.org,
        lukasz.luba@....com, adrian.hunter@...el.com,
        ulf.hansson@...aro.org, vireshk@...nel.org, nm@...com,
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        hoegsberg@...gle.com, eric@...olt.net, tzimmermann@...e.de,
        marijn.suijten@...ainline.org, gustavoars@...nel.org,
        emil.velikov@...labora.com, jonathan@...ek.ca,
        akhilpo@...eaurora.org, smasetty@...eaurora.org,
        airlied@...hat.com, masneyb@...tation.org, kalyan_t@...eaurora.org,
        tanmay@...eaurora.org, tiny.windzz@...il.com,
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        groeck@...omium.org, varar@...eaurora.org, mka@...omium.org,
        harigovi@...eaurora.org, rikard.falkeborn@...il.com,
        natechancellor@...il.com, georgi.djakov@...aro.org,
        akashast@...eaurora.org, parashar@...eaurora.org,
        dianders@...omium.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, lima@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [PATCH 26/31] PM / devfreq: tegra30: convert to use devm_pm_opp_* API

Use devm_pm_opp_* API to simplify code, and remove opp_table
from tegra_devfreq.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/devfreq/tegra30-devfreq.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 117cad7968ab..4984cb91e9ea 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -178,7 +178,6 @@ struct tegra_devfreq_soc_data {
 
 struct tegra_devfreq {
 	struct devfreq		*devfreq;
-	struct opp_table	*opp_table;
 
 	struct reset_control	*reset;
 	struct clk		*clock;
@@ -794,6 +793,7 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
 	struct tegra_devfreq_device *dev;
 	struct tegra_devfreq *tegra;
 	struct devfreq *devfreq;
+	struct opp_tabl	*opp_table;
 	unsigned int i;
 	long rate;
 	int err;
@@ -841,25 +841,25 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	tegra->opp_table = dev_pm_opp_set_supported_hw(&pdev->dev,
-						       &hw_version, 1);
-	err = PTR_ERR_OR_ZERO(tegra->opp_table);
+	opp_table = devm_pm_opp_set_supported_hw(&pdev->dev,
+						 &hw_version, 1);
+	err = PTR_ERR_OR_ZERO(opp_table);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to set supported HW: %d\n", err);
 		return err;
 	}
 
-	err = dev_pm_opp_of_add_table(&pdev->dev);
+	err = devm_pm_opp_of_add_table(&pdev->dev);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to add OPP table: %d\n", err);
-		goto put_hw;
+		return err;
 	}
 
 	err = clk_prepare_enable(tegra->clock);
 	if (err) {
 		dev_err(&pdev->dev,
 			"Failed to prepare and enable ACTMON clock\n");
-		goto remove_table;
+		return err;
 	}
 
 	err = reset_control_reset(tegra->reset);
@@ -917,10 +917,6 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
 	reset_control_reset(tegra->reset);
 disable_clk:
 	clk_disable_unprepare(tegra->clock);
-remove_table:
-	dev_pm_opp_of_remove_table(&pdev->dev);
-put_hw:
-	dev_pm_opp_put_supported_hw(tegra->opp_table);
 
 	return err;
 }
@@ -935,9 +931,6 @@ static int tegra_devfreq_remove(struct platform_device *pdev)
 	reset_control_reset(tegra->reset);
 	clk_disable_unprepare(tegra->clock);
 
-	dev_pm_opp_of_remove_table(&pdev->dev);
-	dev_pm_opp_put_supported_hw(tegra->opp_table);
-
 	return 0;
 }
 
-- 
2.25.1

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