[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@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);