[PATCH v2] firmware: raspberrypi: Change dependency to ARCH_BCM2835 and COMPILE_TEST

[Florian Fainelli]

From: Florian Fainelli <f.fainelli at gmail.com>

On Mon, 27 Apr 2026 17:10:57 +0800, Chen-Yu Tsai <wenst at chromium.org> wrote:
> The Raspberry Pi firmware driver has no compile dependencies on the
> BCM2835 mailbox driver. It's just a indirect runtime dependency: the
> driver only works on a Raspberry Pi.
> 
> Change the dependency from BCM2835_MBOX to ARCH_BCM2835. Also allow
> compile tests. This allows drivers that have build time dependencies
> on this firmware driver to be compile tested as well. More dependencies
> are added to account for build time dependencies:
> 
>   - depends on MAILBOX for mailbox API (not stubbed) usage
>   - depends on ARM || ARM64 for dsb() usage
> 
> Also make it built by default if ARCH_BCM2835, since many functions will
> not work without this firmware driver.
> 
> Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/drivers/next, thanks!
--
Florian