georgehuang2

@ssackett you can also check another post, I fixed the issue on my test board by removing WL_HOST_WAKE interrupt in dts. https://github.com/grate-driver/linux/issues/37

At leaset, you can check if there are lots of brcmf_oob_intr interrupts recorded in /proc/interrupts on the Pi boards. If yes, then it may be a clue for further investigation...

> The `BCM4330B1.hcd` is the Bluetooth firmware, it should be irrelevant to the WiFi. > > The WiFi driver should fall back to loading `brcm/brcmfmac4330-sdio.txt` if `brcm/brcmfmac4330-sdio.lenovo,cl2n.txt` fails to load,...