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Date:   Sun,  3 Jan 2021 03:55:40 +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,
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        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,
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Subject: [PATCH 28/31] PM / devfreq: imx8m-ddrc: convert to use devm_pm_opp_* API

Use devm_pm_opp_* API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/devfreq/imx8m-ddrc.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
index bc82d3653bff..9383d6e5538b 100644
--- a/drivers/devfreq/imx8m-ddrc.c
+++ b/drivers/devfreq/imx8m-ddrc.c
@@ -370,11 +370,6 @@ static int imx8m_ddrc_check_opps(struct device *dev)
 	return 0;
 }
 
-static void imx8m_ddrc_exit(struct device *dev)
-{
-	dev_pm_opp_of_remove_table(dev);
-}
-
 static int imx8m_ddrc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -419,7 +414,7 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = dev_pm_opp_of_add_table(dev);
+	ret = devm_pm_opp_of_add_table(dev);
 	if (ret < 0) {
 		dev_err(dev, "failed to get OPP table\n");
 		return ret;
@@ -427,12 +422,11 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
 
 	ret = imx8m_ddrc_check_opps(dev);
 	if (ret < 0)
-		goto err;
+		return ret;
 
 	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);
 
@@ -441,13 +435,8 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->devfreq)) {
 		ret = PTR_ERR(priv->devfreq);
 		dev_err(dev, "failed to add devfreq device: %d\n", ret);
-		goto err;
 	}
 
-	return 0;
-
-err:
-	dev_pm_opp_of_remove_table(dev);
 	return ret;
 }
 
-- 
2.25.1

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