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x86, olpc: Fix dependency on POWER_SUPPLY 

As reported by Randy Dunlap, CONFIG_POWER_SUPPLY=m caused a
compile error:

  arch/x86/built-in.o: In function `battery_status_changed':
   olpc-xo15-sci.c:(.text+0x3acdd): undefined reference to `power_supply_get_by_name'
   olpc-xo15-sci.c:(.text+0x3ad04): undefined reference to `power_supply_changed'

The SCI drivers, as bool, require POWER_SUPPLY to be builtin.
Use select to make that a hard requirement and avoid this build
failure.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Daniel Drake 2011-07-24 18:33:21 +01:00 committed by Ingo Molnar
parent a0f30f592d
commit d8d01a6378
1 changed files with 4 additions and 2 deletions
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6
arch/x86/Kconfig
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@ -2089,7 +2089,8 @@ config OLPC_XO1_RTC
config OLPC_XO1_SCI
bool "OLPC XO-1 SCI extras"
depends on OLPC && OLPC_XO1_PM && POWER_SUPPLY
depends on OLPC && OLPC_XO1_PM
select POWER_SUPPLY
select GPIO_CS5535
select MFD_CORE
---help---
@ -2103,7 +2104,8 @@ config OLPC_XO1_SCI
config OLPC_XO15_SCI
bool "OLPC XO-1.5 SCI extras"
depends on OLPC && ACPI && POWER_SUPPLY
depends on OLPC && ACPI
select POWER_SUPPLY
---help---
Add support for SCI-based features of the OLPC XO-1.5 laptop:
- EC-driven system wakeups