MCP2518FD not working with JetPack 6.0 GA

[sevm89]

According to the manufacturer, there should not be changes between 5.10 and 5.15 causing this behavior.
Could it be an issue with patches for the SPI Bus that were applied to the kernel 5.10 but not 5.15, like mentioned in the following topic?

Jetson AGX Orin: Issues with minimum SPI speed and byte send order after update to Jetpack 6

I did change the code now, recompiled the driver and loaded the new module (after unloading the old one), and it works. As expected, it reversed the byte sending order and in that regards behaves like in JP5. They are open-source and you can customize the driver for your requirement. I am aware of that, but I was expecting that when NVIDIA starts developing a new Jetpack version, that they also migrate patches to the updated kernel, unless it is pushed to the mainline kernel anyway. In ca…