Hi JH,
On December 23, 2021 11:28:55 AM GMT+01:00, JH wrote:
>Hi,
>
>I built an OE/Yocto IoT device to include kernel modules of usb_wwan,
>usbserial, mwifiex_sdio, mwifiex etc, there is one udev from
>meta-freescale/recipes-core/udev/udev-rules-imx/10-imx.rules
>
># ls /etc/udev/rules.d
>10-imx.rules touchscreen.rules
>
>My device does not have a touchscreen so that touchscreen.rules should
>not be there. The 10-imx.rules does not define any kernel modules
>usb_wwan, usbserial, mwifiex_sdio, mwifiex, the device does not have
>video or any input
>
># cat /etc/udev/rules.d/10-imx.rules
>KERNEL=="mc13783_connectiv*", NAME="mc13783_connectivity"
># Anyone has readonly permission to IIM device file
>KERNEL=="mxc_iim", MODE="0444", SYMLINK+="mxc_mem"
>KERNEL=="mxs_viim", MODE="0444", SYMLINK+="mxc_mem"
>KERNEL=="mxc_ipu", MODE="0666"
>KERNEL=="mxc_vpu", MODE="0666"
>SUBSYSTEM=="video", MODE="0660"
>KERNEL=="fb[0-9]", MODE="0660", GROUP="video"
>KERNEL=="gsl_kmod", MODE="0660", GROUP="video"
>KERNEL=="galcore", MODE="0660", GROUP="video"
>
>How can I define udev in recipes to make the system to load kernel
>modules of usb_wwan, usbserial, mwifiex_sdio, mwifiex in boot?
>
IIRC, you need to add your package to KERNEL_MODULE_AUTOLOAD, c.f.
https://docs.yoctoproject.org/ref-manual/variables.html#term-KERNEL_MODULE_AUTOLOAD
Cheers,
Quentin
>Thank you.
>
>Kind regards,
>
>- jh
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