1 files changed, 0 insertions, 279 deletions
diff --git a/ANDROID_3.4.5/arch/hexagon/kernel/smp.c b/ANDROID_3.4.5/arch/hexagon/kernel/smp.c
deleted file mode 100644
index 12981418..00000000
--- a/ANDROID_3.4.5/arch/hexagon/kernel/smp.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * SMP support for Hexagon
- *
- * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/percpu.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/spinlock.h>
-#include <linux/cpu.h>
-
-#include <asm/time.h>    /*  timer_interrupt  */
-#include <asm/hexagon_vm.h>
-
-#define BASE_IPI_IRQ 26
-
-/*
- * cpu_possible_mask needs to be filled out prior to setup_per_cpu_areas
- * (which is prior to any of our smp_prepare_cpu crap), in order to set
- * up the...  per_cpu areas.
- */
-
-struct ipi_data {
-	unsigned long bits;
-};
-
-static DEFINE_PER_CPU(struct ipi_data, ipi_data);
-
-static inline void __handle_ipi(unsigned long *ops, struct ipi_data *ipi,
-				int cpu)
-{
-	unsigned long msg = 0;
-	do {
-		msg = find_next_bit(ops, BITS_PER_LONG, msg+1);
-
-		switch (msg) {
-
-		case IPI_TIMER:
-			ipi_timer();
-			break;
-
-		case IPI_CALL_FUNC:
-			generic_smp_call_function_interrupt();
-			break;
-
-		case IPI_CALL_FUNC_SINGLE:
-			generic_smp_call_function_single_interrupt();
-			break;
-
-		case IPI_CPU_STOP:
-			/*
-			 * call vmstop()
-			 */
-			__vmstop();
-			break;
-
-		case IPI_RESCHEDULE:
-			scheduler_ipi();
-			break;
-		}
-	} while (msg < BITS_PER_LONG);
-}
-
-/*  Used for IPI call from other CPU's to unmask int  */
-void smp_vm_unmask_irq(void *info)
-{
-	__vmintop_locen((long) info);
-}
-
-
-/*
- * This is based on Alpha's IPI stuff.
- * Supposed to take (int, void*) as args now.
- * Specifically, first arg is irq, second is the irq_desc.
- */
-
-irqreturn_t handle_ipi(int irq, void *desc)
-{
-	int cpu = smp_processor_id();
-	struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
-	unsigned long ops;
-
-	while ((ops = xchg(&ipi->bits, 0)) != 0)
-		__handle_ipi(&ops, ipi, cpu);
-	return IRQ_HANDLED;
-}
-
-void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg)
-{
-	unsigned long flags;
-	unsigned long cpu;
-	unsigned long retval;
-
-	local_irq_save(flags);
-
-	for_each_cpu(cpu, cpumask) {
-		struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
-
-		set_bit(msg, &ipi->bits);
-		/*  Possible barrier here  */
-		retval = __vmintop_post(BASE_IPI_IRQ+cpu);
-
-		if (retval != 0) {
-			printk(KERN_ERR "interrupt %ld not configured?\n",
-				BASE_IPI_IRQ+cpu);
-		}
-	}
-
-	local_irq_restore(flags);
-}
-
-static struct irqaction ipi_intdesc = {
-	.handler = handle_ipi,
-	.flags = IRQF_TRIGGER_RISING,
-	.name = "ipi_handler"
-};
-
-void __init smp_prepare_boot_cpu(void)
-{
-}
-
-/*
- * interrupts should already be disabled from the VM
- * SP should already be correct; need to set THREADINFO_REG
- * to point to current thread info
- */
-
-void __cpuinit start_secondary(void)
-{
-	unsigned int cpu;
-	unsigned long thread_ptr;
-
-	/*  Calculate thread_info pointer from stack pointer  */
-	__asm__ __volatile__(
-		"%0 = SP;\n"
-		: "=r" (thread_ptr)
-	);
-
-	thread_ptr = thread_ptr & ~(THREAD_SIZE-1);
-
-	__asm__ __volatile__(
-		QUOTED_THREADINFO_REG " = %0;\n"
-		:
-		: "r" (thread_ptr)
-	);
-
-	/*  Set the memory struct  */
-	atomic_inc(&init_mm.mm_count);
-	current->active_mm = &init_mm;
-
-	cpu = smp_processor_id();
-
-	setup_irq(BASE_IPI_IRQ + cpu, &ipi_intdesc);
-
-	/*  Register the clock_event dummy  */
-	setup_percpu_clockdev();
-
-	printk(KERN_INFO "%s cpu %d\n", __func__, current_thread_info()->cpu);
-
-	notify_cpu_starting(cpu);
-
-	ipi_call_lock();
-	set_cpu_online(cpu, true);
-	ipi_call_unlock();
-
-	local_irq_enable();
-
-	cpu_idle();
-}
-
-
-/*
- * called once for each present cpu
- * apparently starts up the CPU and then
- * maintains control until "cpu_online(cpu)" is set.
- */
-
-int __cpuinit __cpu_up(unsigned int cpu)
-{
-	struct task_struct *idle;
-	struct thread_info *thread;
-	void *stack_start;
-
-	/*  Create new init task for the CPU  */
-	idle = fork_idle(cpu);
-	if (IS_ERR(idle))
-		panic(KERN_ERR "fork_idle failed\n");
-
-	thread = (struct thread_info *)idle->stack;
-	thread->cpu = cpu;
-
-	/*  Boot to the head.  */
-	stack_start =  ((void *) thread) + THREAD_SIZE;
-	__vmstart(start_secondary, stack_start);
-
-	while (!cpu_online(cpu))
-		barrier();
-
-	return 0;
-}
-
-void __init smp_cpus_done(unsigned int max_cpus)
-{
-}
-
-void __init smp_prepare_cpus(unsigned int max_cpus)
-{
-	int i;
-
-	/*
-	 * should eventually have some sort of machine
-	 * descriptor that has this stuff
-	 */
-
-	/*  Right now, let's just fake it. */
-	for (i = 0; i < max_cpus; i++)
-		set_cpu_present(i, true);
-
-	/*  Also need to register the interrupts for IPI  */
-	if (max_cpus > 1)
-		setup_irq(BASE_IPI_IRQ, &ipi_intdesc);
-}
-
-void smp_send_reschedule(int cpu)
-{
-	send_ipi(cpumask_of(cpu), IPI_RESCHEDULE);
-}
-
-void smp_send_stop(void)
-{
-	struct cpumask targets;
-	cpumask_copy(&targets, cpu_online_mask);
-	cpumask_clear_cpu(smp_processor_id(), &targets);
-	send_ipi(&targets, IPI_CPU_STOP);
-}
-
-void arch_send_call_function_single_ipi(int cpu)
-{
-	send_ipi(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
-}
-
-void arch_send_call_function_ipi_mask(const struct cpumask *mask)
-{
-	send_ipi(mask, IPI_CALL_FUNC);
-}
-
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return -EINVAL;
-}
-
-void smp_start_cpus(void)
-{
-	int i;
-
-	for (i = 0; i < NR_CPUS; i++)
-		set_cpu_possible(i, true);
-}