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--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -9,6 +9,7 @@ config ARCH_CNS3XXX
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if LOCAL_TIMERS
select HAVE_SMP
+ select FIQ
help
Support for Cavium Networks CNS3XXX platform.
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -5,5 +5,5 @@ cns3xxx-y += core.o pm.o
cns3xxx-$(CONFIG_ATAGS) += devices.o
cns3xxx-$(CONFIG_PCI) += pcie.o
cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
-cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o
+cns3xxx-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
cns3xxx-$(CONFIG_HOTPLUG_CPU) += hotplug.o
--- a/arch/arm/mach-cns3xxx/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/cns3xxx.h
@@ -267,6 +267,7 @@
#define MISC_PCIE_INT_MASK(x) MISC_MEM_MAP(0x978 + (x) * 0x100)
#define MISC_PCIE_INT_STATUS(x) MISC_MEM_MAP(0x97C + (x) * 0x100)
+#define MISC_FIQ_CPU(x) MISC_MEM_MAP(0xA58 - (x) * 0x4)
/*
* Power management and clock control
*/
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -826,7 +826,7 @@ config KUSER_HELPERS
config DMA_CACHE_RWFO
bool "Enable read/write for ownership DMA cache maintenance"
- depends on CPU_V6K && SMP
+ depends on CPU_V6K && SMP && !ARCH_CNS3XXX
default y
help
The Snoop Control Unit on ARM11MPCore does not detect the
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