Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (152 commits)
  powerpc: Fix hard CPU IDs detection
  powerpc/pmac: Update via-pmu to new syscore_ops
  powerpc/kvm: Fix the build for 32-bit Book 3S (classic) processors
  powerpc/kvm: Fix kvmppc_core_pending_dec
  powerpc: Remove last piece of GEMINI
  powerpc: Fix for Pegasos keyboard and mouse
  powerpc: Make early memory scan more resilient to out of order nodes
  powerpc/pseries/iommu: Cleanup ddw naming
  powerpc/pseries/iommu: Find windows after kexec during boot
  powerpc/pseries/iommu: Remove ddw property when destroying window
  powerpc/pseries/iommu: Add additional checks when changing iommu mask
  powerpc/pseries/iommu: Use correct return type in dupe_ddw_if_already_created
  powerpc: Remove unused/obsolete CONFIG_XICS
  misc: Add CARMA DATA-FPGA Programmer support
  misc: Add CARMA DATA-FPGA Access Driver
  powerpc: Make IRQ_NOREQUEST last to clear, first to set
  powerpc: Integrated Flash controller device tree bindings
  powerpc/85xx: Create dts of each core in CAMP mode for P1020RDB
  powerpc/85xx: Fix PCIe IDSEL for Px020RDB
  powerpc/85xx: P2020 DTS: re-organize dts files
  ...

1 files changed, 31 insertions, 7 deletions

diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index a902a0d3ae0d..880b8c1e6e53 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -20,6 +20,7 @@
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <linux/kernel.h>
+#include <linux/irqreturn.h>
 
 #ifndef __ASSEMBLY__
 
@@ -29,14 +30,32 @@
 #include <asm/percpu.h>
 
 extern int boot_cpuid;
+extern int boot_cpu_count;
 
 extern void cpu_die(void);
 
 #ifdef CONFIG_SMP
 
-extern void smp_send_debugger_break(int cpu);
-extern void smp_message_recv(int);
+struct smp_ops_t {
+	void  (*message_pass)(int cpu, int msg);
+#ifdef CONFIG_PPC_SMP_MUXED_IPI
+	void  (*cause_ipi)(int cpu, unsigned long data);
+#endif
+	int   (*probe)(void);
+	int   (*kick_cpu)(int nr);
+	void  (*setup_cpu)(int nr);
+	void  (*bringup_done)(void);
+	void  (*take_timebase)(void);
+	void  (*give_timebase)(void);
+	int   (*cpu_disable)(void);
+	void  (*cpu_die)(unsigned int nr);
+	int   (*cpu_bootable)(unsigned int nr);
+};
+
+extern void smp_send_debugger_break(void);
 extern void start_secondary_resume(void);
+extern void __devinit smp_generic_give_timebase(void);
+extern void __devinit smp_generic_take_timebase(void);
 
 DECLARE_PER_CPU(unsigned int, cpu_pvr);
 
@@ -93,13 +112,16 @@ extern int cpu_to_core_id(int cpu);
 #define PPC_MSG_CALL_FUNC_SINGLE	2
 #define PPC_MSG_DEBUGGER_BREAK  3
 
-/*
- * irq controllers that have dedicated ipis per message and don't
- * need additional code in the action handler may use this
- */
+/* for irq controllers that have dedicated ipis per message (4) */
 extern int smp_request_message_ipi(int virq, int message);
 extern const char *smp_ipi_name[];
 
+/* for irq controllers with only a single ipi */
+extern void smp_muxed_ipi_set_data(int cpu, unsigned long data);
+extern void smp_muxed_ipi_message_pass(int cpu, int msg);
+extern void smp_muxed_ipi_resend(void);
+extern irqreturn_t smp_ipi_demux(void);
+
 void smp_init_iSeries(void);
 void smp_init_pSeries(void);
 void smp_init_cell(void);
@@ -149,7 +171,7 @@ extern int smt_enabled_at_boot;
 
 extern int smp_mpic_probe(void);
 extern void smp_mpic_setup_cpu(int cpu);
-extern void smp_generic_kick_cpu(int nr);
+extern int smp_generic_kick_cpu(int nr);
 
 extern void smp_generic_give_timebase(void);
 extern void smp_generic_take_timebase(void);
@@ -169,6 +191,8 @@ extern unsigned long __secondary_hold_spinloop;
 extern unsigned long __secondary_hold_acknowledge;
 extern char __secondary_hold;
 
+extern irqreturn_t debug_ipi_action(int irq, void *data);
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __KERNEL__ */