Patchwork [v2,08/19] PM / devfreq: tegra: Remove OPP entries on driver removal

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Submitter Dmitry Osipenko
Date April 15, 2019, 2:54 p.m.
Message ID <20190415145505.18397-9-digetx@gmail.com>
Download mbox | patch
Permalink /patch/773259/
State New
Headers show

Comments

Dmitry Osipenko - April 15, 2019, 2:54 p.m.
This fixes "_opp_is_duplicate" warning messages on driver's module reload.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/devfreq/tegra-devfreq.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index c248c18431d9..98ba27b1e2c4 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -701,7 +701,7 @@  static int tegra_devfreq_probe(struct platform_device *pdev)
 						 NULL);
 	if (IS_ERR(tegra->devfreq)) {
 		err = PTR_ERR(tegra->devfreq);
-		return err;
+		goto remove_opps;
 	}
 
 	tegra->rate_change_nb.notifier_call = tegra_actmon_rate_notify_cb;
@@ -709,10 +709,15 @@  static int tegra_devfreq_probe(struct platform_device *pdev)
 	if (err) {
 		dev_err(&pdev->dev,
 			"Failed to register rate change notifier\n");
-		return err;
+		goto remove_opps;
 	}
 
 	return 0;
+
+remove_opps:
+	dev_pm_opp_remove_all_dynamic(&pdev->dev);
+
+	return err;
 }
 
 static int tegra_devfreq_remove(struct platform_device *pdev)
@@ -722,6 +727,9 @@  static int tegra_devfreq_remove(struct platform_device *pdev)
 	u32 val;
 	unsigned int i;
 
+	devm_devfreq_remove_device(&pdev->dev, tegra->devfreq);
+	dev_pm_opp_remove_all_dynamic(&pdev->dev);
+
 	for (i = 0; i < ARRAY_SIZE(actmon_device_configs); i++) {
 		val = device_readl(&tegra->devices[i], ACTMON_DEV_CTRL);
 		val &= ~ACTMON_DEV_CTRL_ENB;