On Wed, Feb 11, 2015 at 01:23:16PM +0100, Robert Baldyga wrote: > Hello, > > This series allows to check DMA transfer residue (number of bytes left > to send/receive) by modifying pl330_tx_status() function, when struct > dma_tx_state is filled with needed data. It also introduces DMA_PAUSE > feature, which allows to halt DMA transfer before termination and read > residue without risk of data loss. > > This features are needed for proper implementation of DMA transfers, > particulary for serial drivers when transfer sizes are unknown and > requests on DMA channels are terminated before transfer completion > very ofter (it's becouse we terminate then in timeout interrupt to > avoid latency which is usually undesirable). Applied, thanks
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