No /dev/spidevA.B

[xboxplayer9889]

I tried to compile and insert in Mageia Linux 5.15.23-desktop-1.mga8 and an old computer with Debian Linux too. The Debian could compile and start /dev/spidev0.0-2 auto, but Mageia doesn't creates spidev devices.

`make

Error! Unknown action specified: spi-ch341-usb
make -C /lib/modules/5.15.23-desktop-1.mga8/build M=/root/gschorcht/spi-ch341-usb-master modules
make[1]: Entering directory '/usr/src/kernel-5.15.23-desktop-1.mga8'

Error! Unknown action specified: spi-ch341-usb
CC [M] /root/gschorcht/spi-ch341-usb-master/spi-ch341-usb.o

Error! Unknown action specified: spi-ch341-usb
MODPOST /root/gschorcht/spi-ch341-usb-master/Module.symvers
CC [M] /root/gschorcht/spi-ch341-usb-master/spi-ch341-usb.mod.o
LD [M] /root/gschorcht/spi-ch341-usb-master/spi-ch341-usb.ko
make[1]: Leaving directory '/usr/src/kernel-5.15.23-desktop-1.mga8'
`
after loading spi-ch341-usb.ko new spi devices appears in /sys/class/spi_master/spi0 but no /dev/spidev.

`journalctl -ae

kernel: usbcore: registered new interface driver spi-ch341-usb
kernel: usb 1-9: new full-speed USB device number 6 using xhci_hcd
kernel: usb 1-9: New USB device found, idVendor=1a86, idProduct=5512, bcdDevic>
kernel: usb 1-9: New USB device strings: Mfr=0, Product=0, SerialNumber=0
kernel: spi-ch341-usb 1-9:1.0: ch341_cfg_probe: output cs0 SPI slave with cs=0
kernel: spi-ch341-usb 1-9:1.0: ch341_cfg_probe: output cs1 SPI slave with cs=1
kernel: spi-ch341-usb 1-9:1.0: ch341_cfg_probe: output cs2 SPI slave with cs=2
kernel: spi-ch341-usb 1-9:1.0: ch341_cfg_probe: input gpio4 gpio=0 irq=0 (hwi>
kernel: spi-ch341-usb 1-9:1.0: ch341_cfg_probe: input gpio5 gpio=1 irq=1
kernel: spi-ch341-usb 1-9:1.0: ch341_spi_probe: SPI master connected to SPI bu>
kernel: spi-ch341-usb 1-9:1.0: ch341_spi_probe: SPI device /dev/spidev0.0 crea>
kernel: spi-ch341-usb 1-9:1.0: ch341_spi_probe: SPI device /dev/spidev0.1 crea>
kernel: spi-ch341-usb 1-9:1.0: ch341_spi_probe: SPI device /dev/spidev0.2 crea>
kernel: spi-ch341-usb 1-9:1.0: ch341_usb_probe: connected`

[xboxplayer9889]

I can create it manually
echo spidev > /sys/bus/spi/devices/spiB.C/driver_override echo spiB.C > /sys/bus/spi/drivers/spidev/bind

https://www.kernel.org/doc/html/latest/spi/spidev.html

And now I found: https://github.com/dimich-dmb/spi-ch341-usb#using-spi-slaves

[xboxplayer9889]

Although I can compile and load driver, there is some error maybe I did something not well, but I cannot access anything on spidev0.0 with:

• Debian 4.19.0-0.bpo.18-686-pae 4 usable GPIOs? #1 SMP Debian 4.19.208-1~deb9u1 (2021-10-10) i686 GNU/Linux
• Mageia Linux 5.15.23-desktop-1.mga8

I can connect AT25DF321A to ch341a-SPIinterface and flashrom can read/write it on its builtin spi (ch341_spi) but no flash found on linux_spi:dev=/dev/spidev0.0.
I tried to read id from C but debian always read FF FF FF FF, Mageia gives error.
I tried avrdude mod with linuxspi, but couldn't found atmel chips on both Linuxes above.

Can anybody help which device/ic works and how to access it through this spi-dev driver?