On Tue, Jan 4, 2022 at 9:29 AM Hector Martin [off-list ref] wrote:

The driver was enabling IRQs before the message processing was
initialized. This could cause IRQs to come in too early and crash the
driver. Instead, move the IRQ enable and hostready to a bus preinit
function, at which point everything is properly initialized.

Fixes: 9e37f045d5e7 ("brcmfmac: Adding PCIe bus layer support.")

You should gather fixes at the beginning of the series, and even
possible to send them as a separate series. In the current state it's
unclear if there are dependencies on your new feature (must not be for
fixes that meant to be backported).

-- 
With Best Regards,
Andy Shevchenko