bananapi-bpi-m2-zero: auto-load brcmfmac

This enables quite stable networking via WiFi with dhcp and NetworkManager with wpa_supplicant.

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Instead of adding a initramfs-hook directly, did you check if creating a initamfs-modules file with the brcmfmac would do the same?

For reference https://wiki.postmarketos.org/wiki/Device_specific_package#Kernel_modules

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I do not understand why it has to be in the initramfs? Do you need Wi-Fi/networking to work even before system is booted?

@alexeymin where else would you put it...?

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Doing it the initramfs doesn't break anything... So why not?

Also, that's the use of the initramfs. The init in initramfs stands for "initializing", and in this case I'm initializing the WiFi adapter.

where else would you put it...?

In modules-load.conf. See e.g. samsung-m0: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/tree/master/device/community/device-samsung-m0

Doing it the initramfs doesn't break anything... So why not?

We try to keep the initramfs as small as possible, within reason. So if something doesn't need to be there, it should be in the rootfs instead.

Also, that's the use of the initramfs. The init in initramfs stands for "initializing", and in this case I'm initializing the WiFi adapter.

No, that is not true. It stands for "INITial RAM File System", and many things get initialised after the initramfs.

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changed title from bananapi-bpi-m2-zero: enable brcmfmac in the initfs to bananapi-bpi-m2-zero: auto-load brcmfmac