FM10K_DMA_CTRL
*(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
fm10k_write_reg(hw, FM10K_DMA_CTRL, dma_ctrl);
reg = fm10k_read_reg(hw, FM10K_DMA_CTRL);
fm10k_write_reg(hw, FM10K_DMA_CTRL, reg);