PM / devfreq: tegra: remove operating-points

As the DT bindings don't have an operating-points property any more,
build the OPP table from the frequencies supported by the EMC clock.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index ea6158bb76fad5e871471b068331e3ee4b0d22de..5ba35cc2ea046fea1fae34140fd5ffbd019de57b 100644 (file)
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -618,6 +618,7 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
        struct tegra_devfreq_device *dev;
        struct resource *res;
        unsigned int i;
+       unsigned long rate;
        int irq;
        int err;
 
@@ -649,12 +650,6 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
                return PTR_ERR(tegra->emc_clock);
        }
 
-       err = of_init_opp_table(&pdev->dev);
-       if (err) {
-               dev_err(&pdev->dev, "Failed to init operating point table\n");
-               return err;
-       }
-
        clk_set_rate(tegra->emc_clock, ULONG_MAX);
 
        tegra->rate_change_nb.notifier_call = tegra_actmon_rate_notify_cb;
@@ -691,6 +686,11 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
                tegra_actmon_configure_device(tegra, dev);
        }
 
+       for (rate = 0; rate <= tegra->max_freq * KHZ; rate++) {
+               rate = clk_round_rate(tegra->emc_clock, rate);
+               dev_pm_opp_add(&pdev->dev, rate, 0);
+       }
+
        irq = platform_get_irq(pdev, 0);
        if (irq <= 0) {
                dev_err(&pdev->dev, "Failed to get IRQ\n");