ch4_pwr_en        161 drivers/dma/dw-edma/dw-edma-v0-debugfs.c 		WR_REGISTER_UNROLL(ch4_pwr_en),
ch4_pwr_en        230 drivers/dma/dw-edma/dw-edma-v0-debugfs.c 		RD_REGISTER_UNROLL(ch4_pwr_en),