platform_set_drvdata(pdev, NULL);
 
-       wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "HC"), dcdc);
-       wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+       free_irq(platform_get_irq_byname(pdev, "HC"), dcdc);
+       free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
        regulator_unregister(dcdc->regulator);
        if (dcdc->dvs_gpio)
                gpio_free(dcdc->dvs_gpio);
 
        platform_set_drvdata(pdev, NULL);
 
-       wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+       free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
        regulator_unregister(dcdc->regulator);
        kfree(dcdc);