On (18/09/07 13:20), Miles Lane didst pronounce:
> LD .tmp_vmlinux1
> drivers/built-in.o: In function `acpi_ac_remove':
> ac.c:(.text+0x3eeec): undefined reference to `power_supply_unregister'
> drivers/built-in.o: In function `acpi_ac_add':
> ac.c:(.text+0x3f10b): undefined reference to `power_supply_register'
> make: *** [.tmp_vmlinux1] Error 1
>
Hi Miles,
The problem appears to be that ACPI_AC is compiled in but POWER_SUPPLY is
a module. You could workaround it by making them both modules but I believe
the root cause may be a dependency problem. I've included a patch below that
when you apply and run make oldconfig should allow you to build your kernel.
ACPI folks, is this a fix? If so, there may be other dependency issues that
allow a compiled-in feature to depend on a module.
Signed-off-by: Mel Gorman <[email protected]>
---
Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.23-rc6-mm1-015_fix_ia64_kgdb/drivers/acpi/Kconfig linux-2.6.23-rc6-mm1-020_fix_acpi/drivers/acpi/Kconfig
--- linux-2.6.23-rc6-mm1-015_fix_ia64_kgdb/drivers/acpi/Kconfig 2007-09-11 03:50:29.000000000 +0100
+++ linux-2.6.23-rc6-mm1-020_fix_acpi/drivers/acpi/Kconfig 2007-09-18 19:03:32.000000000 +0100
@@ -88,7 +88,7 @@ config ACPI_PROC_EVENT
config ACPI_AC
tristate "AC Adapter"
- depends on X86
+ depends on X86 && POWER_SUPPLY
default y
help
This driver adds support for the AC Adapter object, which indicates
-
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