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The pxa27x platform uses the legacy gpiolib interfaces, including in its sound drivers: sound/arm/pxa2xx-ac97-lib.c: In function 'pxa2xx_ac97_hw_probe': sound/arm/pxa2xx-ac97-lib.c:374:23: error: implicit declaration of function 'gpio_request_one' [-Wimplicit-function-declaration] 374 | ret = gpio_request_one(reset_gpio, GPIOF_OUT_INIT_HIGH, Make sure we don't select those drivers for compile-testing unless we are building for a pxa27x system, or CONFIG_GPIOLIB_LEGACY is already enabled. The SND_PXA_SOC_SSP driver accidentally used a dependency on PLAT_PXA, which includes both ARCH_PXA and ARCH_MMP, but it is only used on the former. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://patch.msgid.link/20250808151822.536879-21-arnd@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>