On 9/2/23 01:47, Binbin Zhou wrote: > Since commit 67694c076bd7 ("soc: loongson2_pm: add power management > support"), the Loongson-2K PM driver was added, but it didn't update the > Kconfig entry for the INPUT dependency, leading to build errors: > > /opt/crosstool/gcc-13.2.0-nolibc/loongarch64-linux/bin/loongarch64-linux-ld: > drivers/soc/loongson/loongson2_pm.o: in function `loongson2_power_button_init': > /work/lnx/next/linux-next-20230825/LOONG64/../drivers/soc/loongson/loongson2_pm.c:101:(.text+0x350): undefined reference to `input_allocate_device' > /opt/crosstool/gcc-13.2.0-nolibc/loongarch64-linux/bin/loongarch64-linux-ld: > /work/lnx/next/linux-next-20230825/LOONG64/../drivers/soc/loongson/loongson2_pm.c:109:(.text+0x3dc): undefined reference to `input_set_capability' > /opt/crosstool/gcc-13.2.0-nolibc/loongarch64-linux/bin/loongarch64-linux-ld: > /work/lnx/next/linux-next-20230825/LOONG64/../drivers/soc/loongson/loongson2_pm.c:111:(.text+0x3e4): undefined reference to `input_register_device' > /opt/crosstool/gcc-13.2.0-nolibc/loongarch64-linux/bin/loongarch64-linux-ld: > /work/lnx/next/linux-next-20230825/LOONG64/../drivers/soc/loongson/loongson2_pm.c:125:(.text+0x3fc): undefined reference to `input_free_device' > /opt/crosstool/gcc-13.2.0-nolibc/loongarch64-linux/bin/loongarch64-linux-ld: drivers/soc/loongson/loongson2_pm.o: in function `input_report_key': > /work/lnx/next/linux-next-20230825/LOONG64/../include/linux/input.h:425:(.text+0x58c): undefined reference to `input_event' > > Also, since this driver can only be built-in, it fails to link when the > INPUT is in a loadable module, so we should update the Kconfig entry to > depend on INPUT=y. > > Fixes: 67694c076bd7 ("soc: loongson2_pm: add power management support") > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx> Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Thanks. > --- > drivers/soc/loongson/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/soc/loongson/Kconfig b/drivers/soc/loongson/Kconfig > index 314e13bb3e01..368344943a93 100644 > --- a/drivers/soc/loongson/Kconfig > +++ b/drivers/soc/loongson/Kconfig > @@ -20,6 +20,7 @@ config LOONGSON2_GUTS > config LOONGSON2_PM > bool "Loongson-2 SoC Power Management Controller Driver" > depends on LOONGARCH && OF > + depends on INPUT=y > help > The Loongson-2's power management controller was ACPI, supports ACPI > S2Idle (Suspend To Idle), ACPI S3 (Suspend To RAM), ACPI S4 (Suspend To -- ~Randy