[MIPS] SMP: Call platform methods via ops structure.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 48 insertions, 26 deletions

diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c
index 30f1f54cb68..1695dca5506 100644
--- a/arch/mips/mips-boards/generic/init.c
+++ b/arch/mips/mips-boards/generic/init.c
@@ -250,6 +250,8 @@ void __init mips_ejtag_setup(void)
         flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
 }
 
+extern struct plat_smp_ops msmtc_smp_ops;
+
 void __init prom_init(void)
 {
         prom_argc = fw_arg0;
@@ -416,4 +418,10 @@ void __init prom_init(void)
 #ifdef CONFIG_SERIAL_8250_CONSOLE
         console_config();
 #endif
+#ifdef CONFIG_MIPS_MT_SMP
+        register_smp_ops(&vsmp_smp_ops);
+#endif
+#ifdef CONFIG_MIPS_MT_SMTC
+        register_smp_ops(&msmtc_smp_ops);
+#endif
 }
diff --git a/arch/mips/mips-boards/malta/malta_smtc.c b/arch/mips/mips-boards/malta/malta_smtc.c
index 5c980f4a48f..6f051ca243f 100644
--- a/arch/mips/mips-boards/malta/malta_smtc.c
+++ b/arch/mips/mips-boards/malta/malta_smtc.c
@@ -15,26 +15,24 @@
  * Cause the specified action to be performed on a targeted "CPU"
  */
 
-void core_send_ipi(int cpu, unsigned int action)
+static void msmtc_send_ipi_single(int cpu, unsigned int action)
 {
         /* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */
         smtc_send_ipi(cpu, LINUX_SMP_IPI, action);
 }
 
-/*
- * Platform "CPU" startup hook
- */
-
-void __cpuinit prom_boot_secondary(int cpu, struct task_struct *idle)
+static void msmtc_send_ipi_mask(cpumask_t mask, unsigned int action)
 {
-        smtc_boot_secondary(cpu, idle);
+        unsigned int i;
+
+        for_each_cpu_mask(i, mask)
+                msmtc_send_ipi_single(i, action);
 }
 
 /*
  * Post-config but pre-boot cleanup entry point
  */
-
-void __cpuinit prom_init_secondary(void)
+static void __cpuinit msmtc_init_secondary(void)
 {
         void smtc_init_secondary(void);
         int myvpe;
@@ -50,45 +48,61 @@ void __cpuinit prom_init_secondary(void)
                         set_c0_status(0x100 << cp0_perfcount_irq);
         }
 
-        smtc_init_secondary();
+        smtc_init_secondary();
 }
 
 /*
- * Platform SMP pre-initialization
- *
- * As noted above, we can assume a single CPU for now
- * but it may be multithreaded.
+ * Platform "CPU" startup hook
  */
-
-void __cpuinit plat_smp_setup(void)
+static void __cpuinit msmtc_boot_secondary(int cpu, struct task_struct *idle)
 {
-        if (read_c0_config3() & (1<<2))
-                mipsmt_build_cpu_map(0);
+        smtc_boot_secondary(cpu, idle);
 }
 
-void __init plat_prepare_cpus(unsigned int max_cpus)
+/*
+ * SMP initialization finalization entry point
+ */
+static void __cpuinit msmtc_smp_finish(void)
 {
-        if (read_c0_config3() & (1<<2))
-                mipsmt_prepare_cpus();
+        smtc_smp_finish();
 }
 
 /*
- * SMP initialization finalization entry point
+ * Hook for after all CPUs are online
  */
 
-void __cpuinit prom_smp_finish(void)
+static void msmtc_cpus_done(void)
 {
-        smtc_smp_finish();
 }
 
 /*
- * Hook for after all CPUs are online
+ * Platform SMP pre-initialization
+ *
+ * As noted above, we can assume a single CPU for now
+ * but it may be multithreaded.
  */
 
-void prom_cpus_done(void)
+static void __init msmtc_smp_setup(void)
 {
+        mipsmt_build_cpu_map(0);
 }
 
+static void __init msmtc_prepare_cpus(unsigned int max_cpus)
+{
+        mipsmt_prepare_cpus();
+}
+
+struct plat_smp_ops msmtc_smp_ops = {
+        .send_ipi_single        = msmtc_send_ipi_single,
+        .send_ipi_mask          = msmtc_send_ipi_mask,
+        .init_secondary         = msmtc_init_secondary,
+        .smp_finish             = msmtc_smp_finish,
+        .cpus_done              = msmtc_cpus_done,
+        .boot_secondary         = msmtc_boot_secondary,
+        .smp_setup              = msmtc_smp_setup,
+        .prepare_cpus           = msmtc_prepare_cpus,
+};
+
 #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
 /*
  * IRQ affinity hook