System Version：Linux MI1016 5.10.100-1.0.1 Xilinx#151 SMP PREEMPT IRQPIPE Wed Nov 13 16:03:16 CST 2024 armv7l armv7l armv7l GNU/Linux
Hardware：TI AM5718
fd=open("/dev/xdma0_c2h_0")
read(fd, buffer, 131072);
make POLLING=1 DEBUG=1
when I use XDMA driver in AM5718, rcveiving data from FPGA , when it is interrupt-mode , it`s ok to rcv data , but overtime about 10us sometime. it always overtime a long time when poll mode . and when I use the same driver in other platform ,it is ok to rcv realtime data.
Hope the answering
