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? 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