Cortex-M4 for i.MX6SoloX that is new to i.MX6SX customers. They concerns GPIO ISRs response time are not real time and hugh latency while Android/Linux is running on Cortex-A9 in i.MX6SoloX.
I shared my test steps, report and image for your reference.
Original Attachment has been moved to: gpio.c.txt.zip
Original Attachment has been moved to: gpio_imx6sx_sdb_m4.bin.zip