1 files changed, 0 insertions, 55 deletions
diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c
index f17ff1200eaa..52680cf07c9d 100644
--- a/arch/powerpc/kernel/dbell.c
+++ b/arch/powerpc/kernel/dbell.c
@@ -18,61 +18,6 @@
 
 #ifdef CONFIG_SMP
 
-/*
- * Doorbells must only be used if CPU_FTR_DBELL is available.
- * msgsnd is used in HV, and msgsndp is used in !HV.
- *
- * These should be used by platform code that is aware of restrictions.
- * Other arch code should use ->cause_ipi.
- *
- * doorbell_global_ipi() sends a dbell to any target CPU.
- * Must be used only by architectures that address msgsnd target
- * by PIR/get_hard_smp_processor_id.
- */
-void doorbell_global_ipi(int cpu)
-{
-	u32 tag = get_hard_smp_processor_id(cpu);
-
-	kvmppc_set_host_ipi(cpu);
-	/* Order previous accesses vs. msgsnd, which is treated as a store */
-	ppc_msgsnd_sync();
-	ppc_msgsnd(PPC_DBELL_MSGTYPE, 0, tag);
-}
-
-/*
- * doorbell_core_ipi() sends a dbell to a target CPU in the same core.
- * Must be used only by architectures that address msgsnd target
- * by TIR/cpu_thread_in_core.
- */
-void doorbell_core_ipi(int cpu)
-{
-	u32 tag = cpu_thread_in_core(cpu);
-
-	kvmppc_set_host_ipi(cpu);
-	/* Order previous accesses vs. msgsnd, which is treated as a store */
-	ppc_msgsnd_sync();
-	ppc_msgsnd(PPC_DBELL_MSGTYPE, 0, tag);
-}
-
-/*
- * Attempt to cause a core doorbell if destination is on the same core.
- * Returns 1 on success, 0 on failure.
- */
-int doorbell_try_core_ipi(int cpu)
-{
-	int this_cpu = get_cpu();
-	int ret = 0;
-
-	if (cpumask_test_cpu(cpu, cpu_sibling_mask(this_cpu))) {
-		doorbell_core_ipi(cpu);
-		ret = 1;
-	}
-
-	put_cpu();
-
-	return ret;
-}
-
 void doorbell_exception(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);