root@imx8qxpc0mek:/sys/class/spi_slave/spi3# ls
device of_node power slave spi3.0 statistics subsystem uevent
spi3.0 cannot be generated in the /dev directory.
In versions 4.14 and 5.4, it is possible to build SPI devices in the /dev directory. Version 5.15 fails.
I suspect there is a problem with the IMX driver or a new SPI driver framework.
