From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: LAK <linux-arm-kernel@lists.infradead.org>,
Ingo Molnar <mingo@elte.hu>, John Stultz <john.stultz@linaro.org>
Subject: [patch 6/7] x86: Convert PIT to clockevents_config_and_register()
Date: Wed, 18 May 2011 21:33:42 -0000 [thread overview]
Message-ID: <20110518210136.545615675@linutronix.de> (raw)
In-Reply-To: <20110518205713.947614271@linutronix.de>
[-- Attachment #1: x86-pit-convert-ce.patch --]
[-- Type: text/plain, Size: 1089 bytes --]
Let the core do the work.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/i8253.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
Index: linux-2.6-tip/arch/x86/kernel/i8253.c
===================================================================
--- linux-2.6-tip.orig/arch/x86/kernel/i8253.c
+++ linux-2.6-tip/arch/x86/kernel/i8253.c
@@ -93,7 +93,6 @@ static struct clock_event_device pit_ce
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = init_pit_timer,
.set_next_event = pit_next_event,
- .shift = 32,
.irq = 0,
};
@@ -108,11 +107,8 @@ void __init setup_pit_timer(void)
* IO_APIC has been initialized.
*/
pit_ce.cpumask = cpumask_of(smp_processor_id());
- pit_ce.mult = div_sc(CLOCK_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(0xF, &pit_ce);
- clockevents_register_device(&pit_ce);
+ clockevents_config_and_register(&pit_ce, CLOCK_TICK_RATE, 0xF, 0x7FFF);
global_clock_event = &pit_ce;
}
next prev parent reply other threads:[~2011-05-18 21:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-18 21:33 [patch 0/7] clocksources/clockevents improvements Thomas Gleixner
2011-05-18 21:33 ` [patch 2/7] clocksource: Get rid of the hardcoded 5 seconds sleep time limit Thomas Gleixner
2011-05-19 0:57 ` John Stultz
2011-05-19 8:43 ` Thomas Gleixner
2011-05-20 1:10 ` john stultz
2011-05-18 21:33 ` [patch 1/7] clocksource: Restructure clocksource struct members Thomas Gleixner
2011-05-18 21:33 ` [patch 3/7] clockevents: Restructure clock_event_device members Thomas Gleixner
2011-05-18 21:33 ` [patch 4/7] clockevents: Provide combined configure and register function Thomas Gleixner
2011-05-19 9:08 ` Ingo Molnar
2011-05-19 10:00 ` Thomas Gleixner
2011-05-19 18:10 ` Ingo Molnar
2011-05-18 21:33 ` [patch 5/7] clockevents: Provide interface to reconfigure an active clock event device Thomas Gleixner
2011-05-19 7:26 ` Linus Walleij
2011-05-19 9:10 ` Ingo Molnar
2011-05-19 9:33 ` Thomas Gleixner
2011-05-19 9:37 ` Ingo Molnar
2011-05-18 21:33 ` Thomas Gleixner [this message]
2011-05-18 21:33 ` [patch 7/7] x86: hpet: Cleanup the clockevents init and register code Thomas Gleixner
2011-05-19 9:33 ` Ingo Molnar
2011-05-19 9:34 ` [patch 0/7] clocksources/clockevents improvements Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110518210136.545615675@linutronix.de \
--to=tglx@linutronix.de \
--cc=john.stultz@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®