From: Arnd Bergmann <arnd@xxxxxxxx> The new driver fails to build when PCI is disabled: WARNING: unmet direct dependencies detected for SND_SOC_LOONGSON_I2S_PCI Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && (LOONGARCH || COMPILE_TEST [=y]) && PCI [=n] Selected by [y]: - SND_SOC_LOONGSON_CARD [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && (LOONGARCH || COMPILE_TEST [=y]) sound/soc/loongson/loongson_i2s_pci.c:167:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] module_pci_driver(loongson_i2s_driver); Add the appropriate Kconfig dependency. Fixes: d24028606e764 ("ASoC: loongson: Add Loongson ASoC Sound Card Support") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- sound/soc/loongson/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/loongson/Kconfig b/sound/soc/loongson/Kconfig index c175f9de19a85..b8d7e2bade246 100644 --- a/sound/soc/loongson/Kconfig +++ b/sound/soc/loongson/Kconfig @@ -16,6 +16,7 @@ config SND_SOC_LOONGSON_I2S_PCI config SND_SOC_LOONGSON_CARD tristate "Loongson Sound Card Driver" select SND_SOC_LOONGSON_I2S_PCI + depends on PCI help Say Y or M if you want to add support for SoC audio using loongson I2S controller. -- 2.39.2