Uninstall the max9295 and max9296 driver by the command rmmod , the system prompts "rmmod: ERROR: Module max9295/max9296 is builtin."

[trustwork]

1. Modify the tegra_defconfig profiles CONFIG_I2C_IOEXPANDER_SER_MAX9295 and CONFIG_I2C_IOEXPANDER_DESER_ MAX9296 to m;
2. Compile kernel, enter the Linux_for_Tegra directory, and then download to the jetson nano motherboard through the command:“sudo. / flash.sh jetson-nano-emmc mmcblk0p1”;
3. Load the module driver max9295.ko and max9296.ko through insmod;However, when uninstall the max9295 and max9296 driver by the command rmmod , the system prompts “rmmod: ERROR: Module max9295 is builtin.”, and the uninstallation is not successful.

[ShaneCCC]

Reference to this topic.

[trustwork]

Thanks for your reply.

show my /proc/config.gz

[ShaneCCC]

You may need to install your kernel module.
Check the “Optionally, archive the installed kernel modules:”

https://docs.nvidia.com/jetson/archives/r35.1/DeveloperGuide/text/SD/Kernel/KernelCustomization.html#to-build-the-kernel