[PATCH v5 1/8] soc: bcm2835: Use IS_REACHABLE for function declaration

[Thomas Weißschuh]

On Wed, May 20, 2026 at 04:27:53PM +0200, Gregor Herburger wrote:
> The drivers that depend on the RASPBERRYPI_FIRMWARE use
> 
> 	depends on RASPBERRYPI_FIRMWARE || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
> 
> This should ensure that the driver is not compiled in when
> RASPBERRYPI_FIRMWARE is 'm' on COMPILE_TEST which leads to linker
> errors.
> 
> The same can be achieved by using IS_REACHABLE in the
> raspberrypi-firmware header. This evaluates to false when invoked from
> built-in code. This way the Kconfig can be written as
> 
> 	depends on RASPBERRYPI_FIRMWARE || COMPILE_TEST
> 
> Which is a more readable variant.
> 
> Signed-off-by: Gregor Herburger <gregor.herburger at linutronix.de>

Reviewed-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>

(...)