Re: [PATCH v2 2/4] brcmfmac: Support 89459 pcie

From: Aditya Garg
Date: Mon Jan 02 2023 - 04:46:13 EST


Hi Hector

>
> Is the CYW89459 just a rebrand of the BCM4355, or just a subset? If it
> is a rebrand, it's okay if we call our Apple firmware
> brcmfmac89459-pcie* (note that we use per-board firmware names, so it
> wouldn't conflict with a generic one). However, if CYW89459 only refers
> to specific variants, I think the firmware should be named after the
> overall bcm4355 family.
>
> I'm guessing you intend to ship firmware for this. Would that firmware
> work for all 4355 variants, or only the CYW one? If only the CYW one, is
> it possible to differentiate between them based on PCI revision ID? Note
> that our 4355 has revision ID 12, and Apple specifically calls it 4355C1
> (different chip revisions have different firmware builds, which is why I
> named our firmware brcmfmac4355c1-pcie). If the CYW variant uses other
> revision IDs that do not overlap, maybe we should have different
> firmware entries for them with different masks.


Can we make a separate table for the OTP Apple chips, something like here :-

https://github.com/AdityaGarg8/linux/commit/fc41aac9283d2ba653a8b3191e8c0138c13d8ee1