[PATCH AUTOSEL 4.4 28/48] x86/olpc: Fix build error with CONFIG_MFD_CS5535=m

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From: Borislav Petkov <bp@xxxxxxx>

[ Upstream commit fa112cf1e8bc693d5a666b1c479a2859c8b6e0f1 ]

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@xxxxxxx>
Cc: Lubomir Rintel <lkundrak@xxxxx>
Cc: x86@xxxxxxxxxx
Link: http://lkml.kernel.org/r/20181005131750.GA5366@xxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 arch/x86/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4d1262cf630c5..e9b19156fb628 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2481,8 +2481,7 @@ 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.
 
-- 
2.20.1




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