在2023年12月6日十二月 下午5:26,Randy Dunlap写道: > On 12/5/23 22:52, Arnd Bergmann wrote: >> On Wed, Dec 6, 2023, at 06:24, Randy Dunlap wrote: >>>> All errors (new ones prefixed by >>): >>>> >>>> mips64el-linux-ld: arch/mips/loongson2ef/lemote-2f/pm.o: in function `setup_wakeup_events': >>>>>> pm.c:(.text+0x118): undefined reference to `i8042_command' >>>>>> mips64el-linux-ld: pm.c:(.text+0x154): undefined reference to `i8042_command' >>> >>> >>> How do we feel about this? >>> I suppose that an ARCH or mach or board should know what it requires. >>> >>> >>> --- >>> arch/mips/loongson2ef/Kconfig | 3 +++ >>> 1 file changed, 3 insertions(+) >>> >>> diff -- a/arch/mips/loongson2ef/Kconfig b/arch/mips/loongson2ef/Kconfig >>> --- a/arch/mips/loongson2ef/Kconfig >>> +++ b/arch/mips/loongson2ef/Kconfig >>> @@ -40,6 +40,9 @@ config LEMOTE_MACH2F >>> select ARCH_HAS_PHYS_TO_DMA >>> select ARCH_MIGHT_HAVE_PC_PARPORT >>> select ARCH_MIGHT_HAVE_PC_SERIO >>> + select INPUT >>> + select SERIO >>> + select SERIO_I8042 >>> select BOARD_SCACHE >>> select BOOT_ELF32 >> >> I think it's bad style to force-select an optional subsystem. >> How about making the entire file optional? It seems that there >> are already __weak functions in its place. > > Yes, I agree in general. > > Hopefully the maintainer will opine your suggestion. > Jiaxun? LGTM, PM is not an essential function here. Arnd, do you mind making it a patch? Thanks - Jiaxun > > Thanks. > >> >> --- a/arch/mips/loongson2ef/lemote-2f/Makefile >> +++ b/arch/mips/loongson2ef/lemote-2f/Makefile >> @@ -8,5 +8,6 @@ obj-y += clock.o machtype.o irq.o reset.o dma.o ec_kb3310b.o >> # >> # Suspend Support >> # >> - >> +ifdef CONFIG_SERIO_I8042 >> obj-$(CONFIG_SUSPEND) += pm.o >> +endif >> >> Arnd > > -- > ~Randy -- - Jiaxun