Is there any way to configure or modify the default L4T serial port driver to work in NON DMA mode (PIO mode)?
We have device tree entry telling DMA in RX and Tx but it is not used in source code to read and configure PIO mode.
Thanks in Advance
You can check the driver @ drivers/tty/serial/serial-tegra.c.
Generally, RX works in DMA mode. TX will work in DMA or PIO mode according to data size to be transferred.
Yes, I have gone through the code. But I want both RX and TX to operate in non DMA mode.
Is there any possibility of implementing this in simple way?
Thanks and Regards,
For RX, you may have to make PIO mode by yourself.
I will try that.