On Fri, 09 Apr 2021 23:26:00 +0530, Radhey Shyam Pandey wrote: > Add an optional AXI DMA property 'xlnx,irq-delay'. It specifies interrupt > timeout value and causes the DMA engine to generate an interrupt after the > delay time period has expired. Timer begins counting at the end of a packet > and resets with receipt of a new packet or a timeout event occurs. > > This property is useful when AXI DMA is connected to the streaming IP i.e > axiethernet where inter packet latency is critical while still taking the > benefit of interrupt coalescing. > > Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx> > --- > Changes for v2: > - New patch. Introduce xlnx,irq-delay property for low latency usecases > --- > Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > Acked-by: Rob Herring <robh@xxxxxxxxxx>
