pch_spi_filter    869 drivers/spi/spi-topcliff-pch.c 	chan = dma_request_channel(mask, pch_spi_filter, param);
pch_spi_filter    884 drivers/spi/spi-topcliff-pch.c 	chan = dma_request_channel(mask, pch_spi_filter, param);