From: Ian Munsie <imun...@au1.ibm.com>

Move the rule to build doorbell support out of the Makefile and into a
new Kconfig boolean that platforms can select.

We will add doorbell support to pseries as well in the next patch.

Signed-off-by: Ian Munsie <imun...@au1.ibm.com>
Tested-by: Michael Neuling <mi...@neuling.org>
---
 arch/powerpc/kernel/Makefile           |    4 ++--
 arch/powerpc/platforms/Kconfig.cputype |    6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 8f61934..44fbbea 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -75,8 +75,8 @@ endif
 obj64-$(CONFIG_HIBERNATION)    += swsusp_asm64.o
 obj-$(CONFIG_MODULES)          += module.o module_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_44x)              += cpu_setup_44x.o
-obj-$(CONFIG_PPC_FSL_BOOK3E)   += cpu_setup_fsl_booke.o dbell.o
-obj-$(CONFIG_PPC_BOOK3E_64)    += dbell.o
+obj-$(CONFIG_PPC_FSL_BOOK3E)   += cpu_setup_fsl_booke.o
+obj-$(CONFIG_PPC_DOORBELL)     += dbell.o
 obj-$(CONFIG_JUMP_LABEL)       += jump_label.o
 
 extra-y                                := head_$(CONFIG_WORD_SIZE).o
diff --git a/arch/powerpc/platforms/Kconfig.cputype 
b/arch/powerpc/platforms/Kconfig.cputype
index 72afd28..cea2f09 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -76,6 +76,7 @@ config PPC_BOOK3E_64
        bool "Embedded processors"
        select PPC_FPU # Make it a choice ?
        select PPC_SMP_MUXED_IPI
+       select PPC_DOORBELL
 
 endchoice
 
@@ -208,6 +209,7 @@ config PPC_FSL_BOOK3E
        select FSL_EMB_PERFMON
        select PPC_SMP_MUXED_IPI
        select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64
+       select PPC_DOORBELL
        default y if FSL_BOOKE
 
 config PTE_64BIT
@@ -382,4 +384,8 @@ config NOT_COHERENT_CACHE
 config CHECK_CACHE_COHERENCY
        bool
 
+config PPC_DOORBELL
+       bool
+       default n
+
 endmenu
-- 
1.7.10.4

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