From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, john.stultz@linaro.org,
hpa@zytor.com, mingo@redhat.com, ralf@linux-mips.org,
linux@arm.linux.org.uk, tglx@linutronix.de
Subject: [tip:timers/cleanup] arm: Footbridge: Use common i8253 clockevent
Date: Fri, 1 Jul 2011 08:41:20 GMT [thread overview]
Message-ID: <tip-8560a6cfc9818edde1fd8677961714b264ffa03d@git.kernel.org> (raw)
In-Reply-To: <20110609130622.241312122@linutronix.de>
Commit-ID: 8560a6cfc9818edde1fd8677961714b264ffa03d
Gitweb: http://git.kernel.org/tip/8560a6cfc9818edde1fd8677961714b264ffa03d
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Thu, 9 Jun 2011 13:08:28 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 1 Jul 2011 10:37:14 +0200
arm: Footbridge: Use common i8253 clockevent
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20110609130622.241312122@linutronix.de
---
| 1 +
| 55 ++--------------------------------
2 files changed, 4 insertions(+), 52 deletions(-)
--git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig
index 46adca0..dc26fff 100644
--- a/arch/arm/mach-footbridge/Kconfig
+++ b/arch/arm/mach-footbridge/Kconfig
@@ -5,6 +5,7 @@ menu "Footbridge Implementations"
config ARCH_CATS
bool "CATS"
select CLKSRC_I8253
+ select CLKEVT_I8253
select FOOTBRIDGE_HOST
select ISA
select ISA_DMA
--git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index 71fd96d..c40bb41 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -5,12 +5,10 @@
* Copyright (C) 1998 Phil Blundell
*/
#include <linux/clockchips.h>
-#include <linux/clocksource.h>
#include <linux/i8253.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/timex.h>
@@ -19,48 +17,6 @@
#include "common.h"
-static void pit_set_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
-{
- unsigned long flags;
-
- raw_local_irq_save(flags);
-
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- outb_p(0x34, PIT_MODE);
- outb_p(PIT_LATCH & 0xff, PIT_CH0);
- outb_p(PIT_LATCH >> 8, PIT_CH0);
- break;
-
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_UNUSED:
- outb_p(0x30, PIT_MODE);
- outb_p(0, PIT_CH0);
- outb_p(0, PIT_CH0);
- break;
-
- case CLOCK_EVT_MODE_ONESHOT:
- case CLOCK_EVT_MODE_RESUME:
- break;
- }
- local_irq_restore(flags);
-}
-
-static int pit_set_next_event(unsigned long delta,
- struct clock_event_device *evt)
-{
- return 0;
-}
-
-static struct clock_event_device pit_ce = {
- .name = "pit",
- .features = CLOCK_EVT_FEAT_PERIODIC,
- .set_mode = pit_set_mode,
- .set_next_event = pit_set_next_event,
- .shift = 32,
-};
-
static irqreturn_t pit_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *ce = dev_id;
@@ -72,20 +28,15 @@ static struct irqaction pit_timer_irq = {
.name = "pit",
.handler = pit_timer_interrupt,
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .dev_id = &pit_ce,
+ .dev_id = &i8253_clockevent,
};
static void __init isa_timer_init(void)
{
- pit_ce.cpumask = cpumask_of(smp_processor_id());
- pit_ce.mult = div_sc(PIT_TICK_RATE, NSEC_PER_SEC, pit_ce.shift);
- pit_ce.max_delta_ns = clockevent_delta2ns(0x7fff, &pit_ce);
- pit_ce.min_delta_ns = clockevent_delta2ns(0x000f, &pit_ce);
-
clocksource_i8253_init();
- setup_irq(pit_ce.irq, &pit_timer_irq);
- clockevents_register_device(&pit_ce);
+ setup_irq(i8253_clockevent.irq, &pit_timer_irq);
+ clockevent_i8253_init(false);
}
struct sys_timer isa_timer = {
next prev parent reply other threads:[~2011-07-01 8:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 13:08 [patch 0/5] i8253: common clockevent Thomas Gleixner
2011-06-09 13:08 ` [patch 1/5] i8253: Create common clockevent implementation Thomas Gleixner
2011-06-24 14:28 ` [tip:timers/cleanup] " tip-bot for Thomas Gleixner
2011-06-25 20:03 ` [patch 1/5] " Stijn Devriendt
2011-06-30 8:40 ` Masami Hiramatsu
2011-07-01 8:40 ` [tip:timers/cleanup] " tip-bot for Thomas Gleixner
2011-06-09 13:08 ` [patch 2/5] x86: Use common i8253 clockevent Thomas Gleixner
2011-06-24 14:30 ` [tip:timers/cleanup] " tip-bot for Thomas Gleixner
2011-07-01 8:40 ` tip-bot for Thomas Gleixner
2011-06-09 13:08 ` [patch 3/5] mips: " Thomas Gleixner
2011-06-24 14:31 ` [tip:timers/cleanup] " tip-bot for Thomas Gleixner
2011-07-01 8:40 ` tip-bot for Thomas Gleixner
2011-06-09 13:08 ` [patch 4/5] arm: footbridge: " Thomas Gleixner
2011-06-24 14:33 ` [tip:timers/cleanup] arm: Footbridge: " tip-bot for Thomas Gleixner
2011-07-01 8:41 ` tip-bot for Thomas Gleixner [this message]
2011-06-09 13:08 ` [patch 5/5] i8253: Cleanup outb/inb magic Thomas Gleixner
2011-06-09 13:34 ` Ralf Baechle
2011-06-09 14:41 ` H. Peter Anvin
2011-06-24 14:35 ` [tip:timers/cleanup] " tip-bot for Thomas Gleixner
2011-07-01 8:41 ` tip-bot for Thomas Gleixner
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