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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/sh/include/asm/smp-ops.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/sh/include/asm/smp-ops.h')
-rw-r--r--arch/sh/include/asm/smp-ops.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h
new file mode 100644
index 00000000..c590f768
--- /dev/null
+++ b/arch/sh/include/asm/smp-ops.h
@@ -0,0 +1,51 @@
+#ifndef __ASM_SH_SMP_OPS_H
+#define __ASM_SH_SMP_OPS_H
+
+struct plat_smp_ops {
+ void (*smp_setup)(void);
+ unsigned int (*smp_processor_id)(void);
+ void (*prepare_cpus)(unsigned int max_cpus);
+ void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
+ void (*send_ipi)(unsigned int cpu, unsigned int message);
+ int (*cpu_disable)(unsigned int cpu);
+ void (*cpu_die)(unsigned int cpu);
+ void (*play_dead)(void);
+};
+
+extern struct plat_smp_ops *mp_ops;
+extern struct plat_smp_ops shx3_smp_ops;
+
+#ifdef CONFIG_SMP
+
+static inline void plat_smp_setup(void)
+{
+ BUG_ON(!mp_ops);
+ mp_ops->smp_setup();
+}
+
+static inline void play_dead(void)
+{
+ mp_ops->play_dead();
+}
+
+extern void register_smp_ops(struct plat_smp_ops *ops);
+
+#else
+
+static inline void plat_smp_setup(void)
+{
+ /* UP, nothing to do ... */
+}
+
+static inline void register_smp_ops(struct plat_smp_ops *ops)
+{
+}
+
+static inline void play_dead(void)
+{
+ BUG();
+}
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_SMP_OPS_H */