1 files changed, 40 insertions, 30 deletions

diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h
index 71189b28bfb2..3a47f52959a8 100644
--- a/arch/loongarch/include/asm/smp.h
+++ b/arch/loongarch/include/asm/smp.h
@@ -6,34 +6,42 @@
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
+#ifdef CONFIG_SMP
+
 #include <linux/atomic.h>
 #include <linux/bitops.h>
 #include <linux/linkage.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 
+struct smp_ops {
+	void (*init_ipi)(void);
+	void (*send_ipi_single)(int cpu, unsigned int action);
+	void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action);
+};
+extern struct smp_ops mp_ops;
+
 extern int smp_num_siblings;
 extern int num_processors;
 extern int disabled_cpus;
 extern cpumask_t cpu_sibling_map[];
+extern cpumask_t cpu_llc_shared_map[];
 extern cpumask_t cpu_core_map[];
 extern cpumask_t cpu_foreign_map[];
 
-void loongson3_smp_setup(void);
-void loongson3_prepare_cpus(unsigned int max_cpus);
-void loongson3_boot_secondary(int cpu, struct task_struct *idle);
-void loongson3_init_secondary(void);
-void loongson3_smp_finish(void);
-void loongson3_send_ipi_single(int cpu, unsigned int action);
-void loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action);
+void loongson_smp_setup(void);
+void loongson_prepare_cpus(unsigned int max_cpus);
+void loongson_boot_secondary(int cpu, struct task_struct *idle);
+void loongson_init_secondary(void);
+void loongson_smp_finish(void);
 #ifdef CONFIG_HOTPLUG_CPU
-int loongson3_cpu_disable(void);
-void loongson3_cpu_die(unsigned int cpu);
+int loongson_cpu_disable(void);
+void loongson_cpu_die(unsigned int cpu);
 #endif
 
-static inline void plat_smp_setup(void)
+static inline void __init plat_smp_setup(void)
 {
-	loongson3_smp_setup();
+	loongson_smp_setup();
 }
 
 static inline int raw_smp_processor_id(void)
@@ -59,9 +67,18 @@ extern int __cpu_logical_map[NR_CPUS];
 
 #define cpu_physical_id(cpu)	cpu_logical_map(cpu)
 
-#define SMP_BOOT_CPU		0x1
-#define SMP_RESCHEDULE		0x2
-#define SMP_CALL_FUNCTION	0x4
+#define ACTION_BOOT_CPU	0
+#define ACTION_RESCHEDULE	1
+#define ACTION_CALL_FUNCTION	2
+#define ACTION_IRQ_WORK		3
+#define ACTION_CLEAR_VECTOR	4
+#define SMP_BOOT_CPU		BIT(ACTION_BOOT_CPU)
+#define SMP_RESCHEDULE		BIT(ACTION_RESCHEDULE)
+#define SMP_CALL_FUNCTION	BIT(ACTION_CALL_FUNCTION)
+#define SMP_IRQ_WORK		BIT(ACTION_IRQ_WORK)
+#define SMP_CLEAR_VECTOR	BIT(ACTION_CLEAR_VECTOR)
+
+struct seq_file;
 
 struct secondary_data {
 	unsigned long stack;
@@ -70,6 +87,7 @@ struct secondary_data {
 extern struct secondary_data cpuboot_data;
 
 extern asmlinkage void smpboot_entry(void);
+extern asmlinkage void start_secondary(void);
 
 extern void calculate_cpu_foreign_map(void);
 
@@ -78,38 +96,30 @@ extern void calculate_cpu_foreign_map(void);
  */
 extern void show_ipi_list(struct seq_file *p, int prec);
 
-/*
- * This function sends a 'reschedule' IPI to another CPU.
- * it goes straight through and wastes no time serializing
- * anything. Worst case is that we lose a reschedule ...
- */
-static inline void smp_send_reschedule(int cpu)
-{
-	loongson3_send_ipi_single(cpu, SMP_RESCHEDULE);
-}
-
 static inline void arch_send_call_function_single_ipi(int cpu)
 {
-	loongson3_send_ipi_single(cpu, SMP_CALL_FUNCTION);
+	mp_ops.send_ipi_single(cpu, ACTION_CALL_FUNCTION);
 }
 
 static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
 {
-	loongson3_send_ipi_mask(mask, SMP_CALL_FUNCTION);
+	mp_ops.send_ipi_mask(mask, ACTION_CALL_FUNCTION);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
 static inline int __cpu_disable(void)
 {
-	return loongson3_cpu_disable();
+	return loongson_cpu_disable();
 }
 
 static inline void __cpu_die(unsigned int cpu)
 {
-	loongson3_cpu_die(cpu);
+	loongson_cpu_die(cpu);
 }
-
-extern void play_dead(void);
 #endif
 
+#else /* !CONFIG_SMP */
+#define cpu_logical_map(cpu)	0
+#endif /* CONFIG_SMP */
+
 #endif /* __ASM_SMP_H */