diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-21 15:52:04 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-21 15:52:04 +1100 |
commit | a02efb906d12c9d4eb2ab7c59049ba9545e5412d (patch) | |
tree | bf1f6467978ec63a22f42299ecac2ee7f7e73336 /arch/sh/kernel/timers/timer-broadcast.c | |
parent | 84dfcb4b318463cd4883b6a19937824f49aee564 (diff) | |
parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) |
Merge commit 'origin' into master
Manual merge of:
arch/powerpc/Kconfig
arch/powerpc/include/asm/page.h
Diffstat (limited to 'arch/sh/kernel/timers/timer-broadcast.c')
-rw-r--r-- | arch/sh/kernel/timers/timer-broadcast.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sh/kernel/timers/timer-broadcast.c b/arch/sh/kernel/timers/timer-broadcast.c new file mode 100644 index 000000000000..c2317635230f --- /dev/null +++ b/arch/sh/kernel/timers/timer-broadcast.c @@ -0,0 +1,57 @@ +/* + * Dummy local timer + * + * Copyright (C) 2008 Paul Mundt + * + * cloned from: + * + * linux/arch/arm/mach-realview/localtimer.c + * + * Copyright (C) 2002 ARM Ltd. + * 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 as + * published by the Free Software Foundation. + */ +#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); + +/* + * Used on SMP for either the local timer or SMP_MSG_TIMER + */ +void local_timer_interrupt(void) +{ + struct clock_event_device *clk = &__get_cpu_var(local_clockevent); + + clk->event_handler(clk); +} + +static void dummy_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ +} + +void __cpuinit local_timer_setup(unsigned int cpu) +{ + struct clock_event_device *clk = &per_cpu(local_clockevent, cpu); + + clk->name = "dummy_timer"; + clk->features = CLOCK_EVT_FEAT_DUMMY; + clk->rating = 200; + clk->mult = 1; + clk->set_mode = dummy_timer_set_mode; + clk->broadcast = smp_timer_broadcast; + clk->cpumask = cpumask_of_cpu(cpu); + + clockevents_register_device(clk); +} |