1 files changed, 0 insertions, 145 deletions
diff --git a/arch/mips/paravirt/paravirt-smp.c b/arch/mips/paravirt/paravirt-smp.c
deleted file mode 100644
index 107d9f90d668..000000000000
--- a/arch/mips/paravirt/paravirt-smp.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * 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) 2013 Cavium, Inc.
- */
-
-#include <linux/interrupt.h>
-#include <linux/cpumask.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/sched/task_stack.h>
-
-#include <asm/mipsregs.h>
-#include <asm/setup.h>
-#include <asm/time.h>
-#include <asm/smp.h>
-
-/*
- * Writing the sp releases the CPU, so writes must be ordered, gp
- * first, then sp.
- */
-unsigned long paravirt_smp_sp[NR_CPUS];
-unsigned long paravirt_smp_gp[NR_CPUS];
-
-static int numcpus = 1;
-
-static int __init set_numcpus(char *str)
-{
-	int newval;
-
-	if (get_option(&str, &newval)) {
-		if (newval < 1 || newval >= NR_CPUS)
-			goto bad;
-		numcpus = newval;
-		return 0;
-	}
-bad:
-	return -EINVAL;
-}
-early_param("numcpus", set_numcpus);
-
-
-static void paravirt_smp_setup(void)
-{
-	int id;
-	unsigned int cpunum = get_ebase_cpunum();
-
-	if (WARN_ON(cpunum >= NR_CPUS))
-		return;
-
-	/* The present CPUs are initially just the boot cpu (CPU 0). */
-	for (id = 0; id < NR_CPUS; id++) {
-		set_cpu_possible(id, id == 0);
-		set_cpu_present(id, id == 0);
-	}
-	__cpu_number_map[cpunum] = 0;
-	__cpu_logical_map[0] = cpunum;
-
-	for (id = 0; id < numcpus; id++) {
-		set_cpu_possible(id, true);
-		set_cpu_present(id, true);
-		__cpu_number_map[id] = id;
-		__cpu_logical_map[id] = id;
-	}
-}
-
-void irq_mbox_ipi(int cpu, unsigned int actions);
-static void paravirt_send_ipi_single(int cpu, unsigned int action)
-{
-	irq_mbox_ipi(cpu, action);
-}
-
-static void paravirt_send_ipi_mask(const struct cpumask *mask, unsigned int action)
-{
-	unsigned int cpu;
-
-	for_each_cpu(cpu, mask)
-		paravirt_send_ipi_single(cpu, action);
-}
-
-static void paravirt_init_secondary(void)
-{
-	unsigned int sr;
-
-	sr = set_c0_status(ST0_BEV);
-	write_c0_ebase((u32)ebase);
-
-	sr |= STATUSF_IP2; /* Interrupt controller on IP2 */
-	write_c0_status(sr);
-
-	irq_cpu_online();
-}
-
-static void paravirt_smp_finish(void)
-{
-	/* to generate the first CPU timer interrupt */
-	write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ);
-	local_irq_enable();
-}
-
-static int paravirt_boot_secondary(int cpu, struct task_struct *idle)
-{
-	paravirt_smp_gp[cpu] = (unsigned long)task_thread_info(idle);
-	smp_wmb();
-	paravirt_smp_sp[cpu] = __KSTK_TOS(idle);
-	return 0;
-}
-
-static irqreturn_t paravirt_reched_interrupt(int irq, void *dev_id)
-{
-	scheduler_ipi();
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t paravirt_function_interrupt(int irq, void *dev_id)
-{
-	generic_smp_call_function_interrupt();
-	return IRQ_HANDLED;
-}
-
-static void paravirt_prepare_cpus(unsigned int max_cpus)
-{
-	if (request_irq(MIPS_IRQ_MBOX0, paravirt_reched_interrupt,
-			IRQF_PERCPU | IRQF_NO_THREAD, "Scheduler",
-			paravirt_reched_interrupt)) {
-		panic("Cannot request_irq for SchedulerIPI");
-	}
-	if (request_irq(MIPS_IRQ_MBOX1, paravirt_function_interrupt,
-			IRQF_PERCPU | IRQF_NO_THREAD, "SMP-Call",
-			paravirt_function_interrupt)) {
-		panic("Cannot request_irq for SMP-Call");
-	}
-}
-
-const struct plat_smp_ops paravirt_smp_ops = {
-	.send_ipi_single	= paravirt_send_ipi_single,
-	.send_ipi_mask		= paravirt_send_ipi_mask,
-	.init_secondary		= paravirt_init_secondary,
-	.smp_finish		= paravirt_smp_finish,
-	.boot_secondary		= paravirt_boot_secondary,
-	.smp_setup		= paravirt_smp_setup,
-	.prepare_cpus		= paravirt_prepare_cpus,
-};