On Sun, Dec 26, 2021 at 4:37 PM Hector Martin <marcan@xxxxxxxxx> 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). > > Signed-off-by: Hector Martin <marcan@xxxxxxxxx> This looks very helpful. > + /* Add space for properties we may add */ > + size += strlen(BRCMF_FW_DEFAULT_BOARDREV) + 1; > + size += BRCMF_FW_MACADDR_LEN + 1; Add some note to the commit log why you also make space for boardrev? (Looks useful.) Is the boardrev spacing in the right patch? With that addressed: Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
