bxtwc_add_chained_irq_chip
ret = bxtwc_add_chained_irq_chip(pmic, pdata, pirq, irq_flags, chip, data);
ret = bxtwc_add_chained_irq_chip(pmic, pmic->irq_chip_data,
ret = bxtwc_add_chained_irq_chip(pmic, pmic->irq_chip_data,