OpenWrt – Rev 4

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--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -6,3 +6,5 @@ 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_HOTPLUG_CPU)          += hotplug.o
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -3,6 +3,9 @@ menuconfig ARCH_CNS3XXX
        bool "Cavium Networks CNS3XXX family"
        depends on ARCH_MULTI_V6
        select ARM_GIC
+       select HAVE_ARM_SCU if SMP
+       select HAVE_ARM_TWD
+       select HAVE_SMP
        help
          Support for Cavium Networks CNS3XXX platform.
 
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -13,6 +13,7 @@
 
 #include <linux/reboot.h>
 
+extern struct smp_operations cns3xxx_smp_ops;
 extern void cns3xxx_timer_init(void);
 
 #ifdef CONFIG_CACHE_L2X0