TW_STATUS_VALID_INTERRUPT
if (!(status_reg_value & TW_STATUS_VALID_INTERRUPT))
(writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
if (!(status_reg_value & TW_STATUS_VALID_INTERRUPT))
(outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))