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x86/olpc: Fix build error with CONFIG_MFD_CS5535=m

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When building a 32-bit config which has the above MFD item as module
but OLPC_XO1_PM is enabled =y - which is bool, btw - the kernel fails
building with:

  ld: arch/x86/platform/olpc/olpc-xo1-pm.o: in function `xo1_pm_remove':
  /home/boris/kernel/linux/arch/x86/platform/olpc/olpc-xo1-pm.c:159: undefined reference to `mfd_cell_disable'
  ld: arch/x86/platform/olpc/olpc-xo1-pm.o: in function `xo1_pm_probe':
  /home/boris/kernel/linux/arch/x86/platform/olpc/olpc-xo1-pm.c:133: undefined reference to `mfd_cell_enable'
  make: *** [Makefile:1030: vmlinux] Error 1

Force MFD_CS5535 to y if OLPC_XO1_PM is enabled.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Lubomir Rintel <lkundrak@v3.sk>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20181005131750.GA5366@zn.tnic
This commit is contained in:
Borislav Petkov 2018-10-05 15:13:07 +02:00
parent d92116b800
commit fa112cf1e8
1 changed files with 1 additions and 2 deletions
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3
arch/x86/Kconfig
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@ -2742,8 +2742,7 @@ config OLPC
config OLPC_XO1_PM
bool "OLPC XO-1 Power Management"
depends on OLPC && MFD_CS5535 && PM_SLEEP
select MFD_CORE
depends on OLPC && MFD_CS5535=y && PM_SLEEP
---help---
Add support for poweroff and suspend of the OLPC XO-1 laptop.