jetPack4.6 &&4.5 jetson-io.py can not work

[ShaneCCC]

Using jetson-io to enable SPI have verified working without problem.
Please using jetson-io and try the loopback test to confirm it.

Reference to below topic.

How to set to spi slave mode

Hello I want to run spi test by connecting spi1 and spi3 of jetson xavier nx board. Before connecting spi1-spi3, I connected spi1’s MOSI-MISO (spi3’s MOSI-MISO) and tested with the spidev_test.c example to confirm that tx rx works well for both spi1 and spi3. (Currently jetson xavier nx board has jetpack4.4 version installed.) Here I have some questions. How to set the master mode and slave mode when connecting spi1 and spi3? (Should I update pinmux? or https://www.jetsonhacks.com/2020/0…