Re: [PATCH v4 1/4] wifi: brcmfmac: Rename Cypress 89459 to BCM4355

From: Kalle Valo
Date: Mon Feb 13 2023 - 11:51:21 EST


Hector Martin <marcan@xxxxxxxxx> wrote:

> The commit that introduced support for this chip incorrectly claimed it
> is a Cypress-specific part, while in actuality it is just a variant of
> BCM4355 silicon (as evidenced by the chip ID).
>
> The relationship between Cypress products and Broadcom products isn't
> entirely clear but given what little information is available and prior
> art in the driver, it seems the convention should be that originally
> Broadcom parts should retain the Broadcom name.
>
> Thus, rename the relevant constants and firmware file. Also rename the
> specific 89459 PCIe ID to BCM43596, which seems to be the original
> subvariant name for this PCI ID (as defined in the out-of-tree bcmdhd
> driver).
>
> Since Cypress added this part and will presumably be providing its
> supported firmware, we keep the CYW designation for this device.
>
> We also drop the RAW device ID in this commit. We don't do this for the
> other chips since apparently some devices with them exist in the wild,
> but there is already a 4355 entry with the Broadcom subvendor and WCC
> firmware vendor, so adding a generic fallback to Cypress seems
> redundant (no reason why a device would have the raw device ID *and* an
> explicitly programmed subvendor).
>
> Fixes: dce45ded7619 ("brcmfmac: Support 89459 pcie")
> Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
> Signed-off-by: Hector Martin <marcan@xxxxxxxxx>

4 patches applied to wireless-next.git, thanks.

54f01f56cf63 wifi: brcmfmac: Rename Cypress 89459 to BCM4355
69005e67ce54 wifi: brcmfmac: pcie: Add IDs/properties for BCM4355
bf8bbd903f07 wifi: brcmfmac: pcie: Add IDs/properties for BCM4377
6a142f70774f wifi: brcmfmac: pcie: Perform correct BCM4364 firmware selection

--
https://patchwork.kernel.org/project/linux-wireless/patch/20230212063813.27622-2-marcan@xxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches