It is possible to select INPUT_M68K_BEEP in a nommu configuration. This results in the following link error:
drivers/input/misc/m68kspkr.o: In function `m68kspkr_event': m68kspkr.c:(.text+0x3a): undefined reference to `mach_beep' m68kspkr.c:(.text+0x5e): undefined reference to `mach_beep' m68kspkr.c:(.text+0x78): undefined reference to `mach_beep' drivers/input/misc/m68kspkr.o: In function `m68kspkr_init': m68kspkr.c:(.init.text+0x4): undefined reference to `mach_beep' Pull the mach_beep definition in setup.c to avoid it. Signed-off-by: Alexandre Belloni <[email protected]> --- I didn't merge both files because I don't have any way to test the result. arch/m68k/kernel/setup.c | 5 +++++ arch/m68k/kernel/setup_mm.c | 4 ---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index 4bf129f1d2e2..81cadb55b2a2 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -3,3 +3,8 @@ #else #include "setup_no.c" #endif + +#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) +void (*mach_beep)(unsigned int, unsigned int); +EXPORT_SYMBOL(mach_beep); +#endif diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 7a2c21212820..ac5c9ee9bbf9 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -105,10 +105,6 @@ EXPORT_SYMBOL(mach_heartbeat); #ifdef CONFIG_M68K_L2_CACHE void (*mach_l2_flush) (int); #endif -#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) -void (*mach_beep)(unsigned int, unsigned int); -EXPORT_SYMBOL(mach_beep); -#endif #if defined(CONFIG_ISA) && defined(MULTI_ISA) int isa_type; int isa_sex; -- 2.14.2
