Merge tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux

Pull Xtensa patches from Chris Zankel:
 "The major changes are adding support for SMP for Xtensa, fixing and
  cleaning up the ISS (simulator) network driver, and better support for
  device trees"

* tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits)
  xtensa: implement ndelay
  xtensa: clean up udelay
  xtensa: enable HAVE_PERF_EVENTS
  xtensa: remap io area defined in device tree
  xtensa: support default device tree buses
  xtensa: initialize device tree clock sources
  xtensa: xtfpga: fix definitions of platform devices
  xtensa: standardize devicetree cpu compatible strings
  xtensa: avoid duplicate of IO range definitions
  xtensa: fix ATOMCTL register documentation
  xtensa: Enable irqs after cpu is set online
  xtensa: ISS: raise network polling rate to 10 times/sec
  xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter
  xtensa: ISS: avoid simple_strtoul usage
  xtensa: Switch to sched_clock_register()
  xtensa: implement CPU hotplug
  xtensa: add SMP support
  xtensa: add MX irqchip
  xtensa: clear timer IRQ unconditionally in its handler
  xtensa: clean up do_interrupt/do_IRQ
  ...

1 files changed, 27 insertions, 11 deletions

diff --git a/arch/xtensa/include/asm/smp.h b/arch/xtensa/include/asm/smp.h
index 83c569e3bdb..4e43f564389 100644
--- a/arch/xtensa/include/asm/smp.h
+++ b/arch/xtensa/include/asm/smp.h
@@ -1,27 +1,43 @@
 /*
- * include/asm-xtensa/smp.h
- *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
+ * Copyright (C) 2001 - 2013 Tensilica Inc.
  */
 
 #ifndef _XTENSA_SMP_H
 #define _XTENSA_SMP_H
 
-extern struct xtensa_cpuinfo boot_cpu_data;
+#ifdef CONFIG_SMP
 
-#define cpu_data (&boot_cpu_data)
-#define current_cpu_data boot_cpu_data
+#define raw_smp_processor_id()	(current_thread_info()->cpu)
+#define cpu_logical_map(cpu)	(cpu)
 
-struct xtensa_cpuinfo {
-	unsigned long	*pgd_cache;
-	unsigned long	*pte_cache;
-	unsigned long	pgtable_cache_sz;
+struct start_info {
+	unsigned long stack;
 };
+extern struct start_info start_info;
 
-#define cpu_logical_map(cpu)	(cpu)
+struct cpumask;
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+void arch_send_call_function_single_ipi(int cpu);
+
+void smp_init_cpus(void);
+void secondary_init_irq(void);
+void ipi_init(void);
+struct seq_file;
+void show_ipi_list(struct seq_file *p, int prec);
+
+#ifdef CONFIG_HOTPLUG_CPU
+
+void __cpu_die(unsigned int cpu);
+int __cpu_disable(void);
+void cpu_die(void);
+void cpu_restart(void);
+
+#endif /* CONFIG_HOTPLUG_CPU */
+
+#endif /* CONFIG_SMP */
 
 #endif	/* _XTENSA_SMP_H */