3 files changed, 75 insertions, 1 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 682df0e1954a..63b5eff0a80f 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -21,7 +21,7 @@
 #include <linux/resource.h>
 #include <linux/regulator/consumer.h>
 
-#define AMBA_NR_IRQS    2
+#define AMBA_NR_IRQS    9
 #define AMBA_CID        0xb105f00d
 
 struct clk;
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 0e5d9ecdb2b6..cac496b1e279 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -31,6 +31,8 @@
 #define GIC_DIST_TARGET                 0x800
 #define GIC_DIST_CONFIG                 0xc00
 #define GIC_DIST_SOFTINT                0xf00
+#define GIC_DIST_SGI_PENDING_CLEAR      0xf10
+#define GIC_DIST_SGI_PENDING_SET        0xf20
 
 #define GICH_HCR                        0x0
 #define GICH_VTR                        0x4
@@ -74,6 +76,11 @@ static inline void gic_init(unsigned int nr, int start,
         gic_init_bases(nr, start, dist, cpu, 0, NULL);
 }
 
+void gic_send_sgi(unsigned int cpu_id, unsigned int irq);
+int gic_get_cpu_id(unsigned int cpu);
+void gic_migrate_target(unsigned int new_cpu_id);
+unsigned long gic_get_sgir_physaddr(void);
+
 #endif /* __ASSEMBLY */
 
 #endif
diff --git a/include/trace/events/power_cpu_migrate.h b/include/trace/events/power_cpu_migrate.h
new file mode 100644
index 000000000000..f76dd4de625e
--- /dev/null
+++ b/include/trace/events/power_cpu_migrate.h
@@ -0,0 +1,67 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM power
+
+#if !defined(_TRACE_POWER_CPU_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_POWER_CPU_MIGRATE_H
+
+#include <linux/tracepoint.h>
+
+#define __cpu_migrate_proto                     \
+        TP_PROTO(u64 timestamp,                 \
+                 u32 cpu_hwid)
+#define __cpu_migrate_args                      \
+        TP_ARGS(timestamp,                      \
+                cpu_hwid)
+
+DECLARE_EVENT_CLASS(cpu_migrate,
+
+        __cpu_migrate_proto,
+        __cpu_migrate_args,
+
+        TP_STRUCT__entry(
+                __field(u64,    timestamp               )
+                __field(u32,    cpu_hwid                )
+        ),
+
+        TP_fast_assign(
+                __entry->timestamp = timestamp;
+                __entry->cpu_hwid = cpu_hwid;
+        ),
+
+        TP_printk("timestamp=%llu cpu_hwid=0x%08lX",
+                (unsigned long long)__entry->timestamp,
+                (unsigned long)__entry->cpu_hwid
+        )
+);
+
+#define __define_cpu_migrate_event(name)                \
+        DEFINE_EVENT(cpu_migrate, cpu_migrate_##name,   \
+                __cpu_migrate_proto,                    \
+                __cpu_migrate_args                      \
+        )
+
+__define_cpu_migrate_event(begin);
+__define_cpu_migrate_event(finish);
+__define_cpu_migrate_event(current);
+
+#undef __define_cpu_migrate
+#undef __cpu_migrate_proto
+#undef __cpu_migrate_args
+
+/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
+#ifndef _PWR_CPU_MIGRATE_EVENT_AVOID_DOUBLE_DEFINING
+#define _PWR_CPU_MIGRATE_EVENT_AVOID_DOUBLE_DEFINING
+
+/*
+ * Set from_phys_cpu and to_phys_cpu to CPU_MIGRATE_ALL_CPUS to indicate
+ * a whole-cluster migration:
+ */
+#define CPU_MIGRATE_ALL_CPUS 0x80000000U
+#endif
+
+#endif /* _TRACE_POWER_CPU_MIGRATE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE power_cpu_migrate
+#include <trace/define_trace.h>