STAT_FIFO_ISR_WM
sky2_write8(hw, STAT_FIFO_ISR_WM, 4);
sky2_write8(hw, STAT_FIFO_ISR_WM, 16);
ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM);
sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq);