diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/kernel/timer_broadcast.c')
-rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/kernel/timer_broadcast.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/kernel/timer_broadcast.c b/target/linux/ubicom32/files/arch/ubicom32/kernel/timer_broadcast.c deleted file mode 100644 index 8f0cdc4d55..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/kernel/timer_broadcast.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * arch/ubicom32/kernel/timer_broadcast.c - * Implements a dummy clock event for each cpu. - * - * Copyright (C) 2008 Paul Mundt - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port is free software: you can redistribute - * it and/or modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 2 of the - * License, or (at your option) any later version. - * - * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - * arch/arm - * arch/sh - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/smp.h> -#include <linux/jiffies.h> -#include <linux/percpu.h> -#include <linux/clockchips.h> -#include <linux/irq.h> - -static DEFINE_PER_CPU(struct clock_event_device, local_clockevent); - -/* - * The broadcast trick only works when the timer will be used in a periodic mode. - * If the user has configured either NO_HZ or HIGH_RES_TIMERS they must have - * a per cpu timer. - */ -#if defined(CONFIG_NO_HZ) || defined(CONFIG_HIGH_RES_TIMERS) -#error "Tickless and High Resolution Timers require per-CPU local timers: CONFIG_LOCAL_TIMERS" -#endif - -/* - * local_timer_interrupt() - * Used on SMP for local timer interrupt sent via an IPI. - */ -void local_timer_interrupt(void) -{ - struct clock_event_device *dev = &__get_cpu_var(local_clockevent); - - dev->event_handler(dev); -} - -/* - * dummy_timer_set_next_event() - * Cause the timer to go off "cycles" from now. - */ -static int dummy_timer_set_next_event(unsigned long cycles, struct clock_event_device *dev) -{ - return 0; -} - -/* - * dummy_timer_set_mode() - * Do Nothing. - */ -static void dummy_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *clk) -{ -} - -/* - * local_timer_setup() - * Adds a clock event for the specified cpu. - */ -int __cpuinit local_timer_setup(unsigned int cpu) -{ - struct clock_event_device *dev = &per_cpu(local_clockevent, cpu); - - dev->name = "timer-dummy"; - dev->features = CLOCK_EVT_FEAT_DUMMY; - dev->rating = 200; - dev->mult = 1; - dev->set_mode = dummy_timer_set_mode; - dev->set_next_event = dummy_timer_set_next_event; - dev->broadcast = smp_timer_broadcast; - dev->cpumask = cpumask_of_cpu(cpu); - dev->irq = -1; - printk(KERN_NOTICE "timer[%d]: %s - created\n", dev->irq, dev->name); - - clockevents_register_device(dev); - return 0; -} |