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Subject[PATCH 26/31] PM / devfreq: tegra30: convert to use devm_pm_opp_* API
Date
Use devm_pm_opp_* API to simplify code, and remove opp_table
from tegra_devfreq.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.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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