g5_phy_disable_cpu1() is used outside of platforms/powermac/feature.c, so it should have a declaration to fix W=1 warning: arch/powerpc/platforms/powermac/feature.c:1533:6: error: no previous prototype for ‘g5_phy_disable_cpu1’ [-Werror=missing-prototypes] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> --- arch/powerpc/include/asm/pmac_feature.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h index e08e829261b6..7703e5bf1203 100644 --- a/arch/powerpc/include/asm/pmac_feature.h +++ b/arch/powerpc/include/asm/pmac_feature.h @@ -143,6 +143,10 @@ */ struct device_node; +#ifdef CONFIG_PPC64 +void g5_phy_disable_cpu1(void); +#endif /* CONFIG_PPC64 */ + static inline long pmac_call_feature(int selector, struct device_node* node, long param, long value) { -- 2.30.2