On 1/4/2022 8:26 AM, Hector Martin wrote:
> On Device Tree platforms, it is customary to be able to set the MAC
> address via the Device Tree, as it is often stored in system firmware.
> This is particularly relevant for Apple ARM64 platforms, where this
> information comes from system configuration and passed through by the
> bootloader into the DT.
> 
> Implement support for this by fetching the platform MAC address and
> adding or replacing the macaddr= property in nvram. This becomes the
> dongle's default MAC address.
> 
> On platforms with an SROM MAC address, this overrides it. On platforms
> without one, such as Apple ARM64 devices, this is required for the
> firmware to boot (it will fail if it does not have a valid MAC at all).

What overrides what. Can you elaborate a bit?

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Hector Martin <marcan@marcan.st>
> ---
>   .../broadcom/brcm80211/brcmfmac/firmware.c    | 29 +++++++++++++++++--
>   1 file changed, 27 insertions(+), 2 deletions(-)