powerpc: Update Kconfig + Makefile to prepare for server doorbells
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 <imunsie@au1.ibm.com>
Tested-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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 @@
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 @@
bool "Embedded processors"
select PPC_FPU # Make it a choice ?
select PPC_SMP_MUXED_IPI
+ select PPC_DOORBELL
endchoice
@@ -208,6 +209,7 @@
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 CHECK_CACHE_COHERENCY
bool
+config PPC_DOORBELL
+ bool
+ default n
+
endmenu