Hi, dma_request_slave_channel_reason() no longer have user in mainline, it can be removed. Advise users of dma_request_slave_channel() and dma_request_slave_channel_compat() to move to dma_request_slave_chan() Regards, Peter --- Peter Ujfalusi (3): dmaengine: Remove unused define for (dma_request_slave_channel_reason)() dmaengine: Mark dma_request_slave_channel() deprecated dmaengine: Encourage dma_request_slave_channel_compat() users to migrate drivers/dma/dmaengine.c | 18 ------------------ include/linux/dmaengine.h | 28 ++++++++++++++++++---------- 2 files changed, 18 insertions(+), 28 deletions(-) -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki