diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/arm/mach-footbridge/isa-timer.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/arm/mach-footbridge/isa-timer.c')
-rw-r--r-- | kernel/arch/arm/mach-footbridge/isa-timer.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-footbridge/isa-timer.c b/kernel/arch/arm/mach-footbridge/isa-timer.c new file mode 100644 index 000000000..b73f52e19 --- /dev/null +++ b/kernel/arch/arm/mach-footbridge/isa-timer.c @@ -0,0 +1,40 @@ +/* + * linux/arch/arm/mach-footbridge/isa-timer.c + * + * Copyright (C) 1998 Russell King. + * Copyright (C) 1998 Phil Blundell + */ +#include <linux/clockchips.h> +#include <linux/i8253.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/spinlock.h> +#include <linux/timex.h> + +#include <asm/irq.h> +#include <asm/mach/time.h> + +#include "common.h" + +static irqreturn_t pit_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *ce = dev_id; + ce->event_handler(ce); + return IRQ_HANDLED; +} + +static struct irqaction pit_timer_irq = { + .name = "pit", + .handler = pit_timer_interrupt, + .flags = IRQF_TIMER | IRQF_IRQPOLL, + .dev_id = &i8253_clockevent, +}; + +void __init isa_timer_init(void) +{ + clocksource_i8253_init(); + + setup_irq(i8253_clockevent.irq, &pit_timer_irq); + clockevent_i8253_init(false); +} |