The DMA chip has a fixed number of requestor lines used for flow control. This number is platform dependent. The pxa_dma dma driver will use this value to activate or not the flow control.
There won't be any impact on mmp_pdma driver. Signed-off-by: Robert Jarzmik <[email protected]> --- include/linux/platform_data/mmp_dma.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h index 2a330ec9e2af..d1397c8ed94e 100644 --- a/include/linux/platform_data/mmp_dma.h +++ b/include/linux/platform_data/mmp_dma.h @@ -14,6 +14,7 @@ struct mmp_dma_platdata { int dma_channels; + int nb_requestors; }; #endif /* MMP_DMA_H */ -- 2.1.4
