A W=1 build of 44x/iss476-smp_defconfig gives: arch/powerpc/mm/nohash/44x.c:220:13: error: no previous prototype for 'mmu_init_secondary' [-Werror=missing-prototypes] 220 | void __init mmu_init_secondary(int cpu) | ^~~~~~~~~~~~~~~~~~
That function is called from head_4xx.S Add a prototype in mmu_decl.h Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> Cc: Arnd Bergmann <a...@arndb.de> --- arch/powerpc/mm/mmu_decl.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index c6dccb4f06dc..7f9ff0640124 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -110,6 +110,7 @@ extern void MMU_init_hw(void); void MMU_init_hw_patch(void); unsigned long mmu_mapin_ram(unsigned long base, unsigned long top); #endif +void mmu_init_secondary(int cpu); #ifdef CONFIG_PPC_E500 extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx, -- 2.41.0