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Date: Mon, 30 Sep 2013 19:41:54 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Thomas Gleixner <tglx@...utronix.de>
CC: Ingo Molnar <mingo@...nel.org>,
John Stultz <john.stultz@...aro.org>, mlichvar@...hat.com,
prarit@...hat.com, Soren Brinkmann <soren.brinkmann@...inx.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com>,
Will Deacon <Will.Deacon@....com>,
zoran markovic <zoran.markovic@...aro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: [GIT PULL]: clocksource: new material for 3.13
Hi Thomas,
this pull request is based on 3.12-rc3 with the following content:
- Miroslav improved the RTC update by increasing the interval
acceptable for an update in the sync_cmos_clock workqueue callback
- Prarit added a missing function declaration to fix a compilation
issue on x86. Please *note*, this patch is coming from a pull from
John's tree, it would make sense to cherry-pick this fix into timers/urgent
- Soren added FEAT_PERCPU to a clock device when it is local per cpu.
This feature prevents the clock framework to choose a per cpu timer as a
broadcast timer. This problem arised when the ARM global timer is used
which is the case now on Xillinx.
- Stephen extended the generic sched_clock code to support 64bit
counters and removes the setup_sched_clock deprecation, as that causes
lots of warnings since there's still users in the arch/arm tree.
- Will and Sudeep implemented the event stream for architected timer.
The event streams can be used to impose a timeout on a wfe, to safeguard
against any programming error in case an expected event is not generated
or even to implement wfe-based timeouts for userspace locking
implementations.
- Zoran prevents to enter suspend mode if there are pending RTC timers
to be handled, avoiding these ones to be delayed as well as the
subsequent possible time critical code tied with them.
Thanks
-- Daniel
The following changes since commit 15c03dd4859ab16f9212238f29dd315654aa94f6:
Linux 3.12-rc3 (2013-09-29 15:02:38 -0700)
are available in the git repository at:
git://git.linaro.org/people/dlezcano/linux.git clockevents/3.13
for you to fetch changes up to 7267c876a4784f9b9a75d057bc487b6a5e01ced9:
Merge branch 'clockevents/3-13.arch-timer' into clockevents/3.13
(2013-09-30 16:37:56 +0200)
----------------------------------------------------------------
Daniel Lezcano (3):
Merge branch 'fordlezcano/3.13/sched-clock64-conversion' of
git://git.linaro.org/people/jstultz/linux into clockevents/3.13
Merge branch 'clockevents/3-13.global-timer' into clockevents/3.13
Merge branch 'clockevents/3-13.arch-timer' into clockevents/3.13
John Stultz (3):
Merge branch 'fortglx/3.12/sched-clock64-base' into fortglx/3.13/time
Merge branch 'fortglx/3.12/time' into fortglx/3.13/time
Merge remote-tracking branch 'tip/timers/core' into
fordlezcano/3.13/sched-clock64-conversion
Miroslav Lichvar (1):
ntp: Make periodic RTC update more reliable
Prarit Bhargava (1):
clocksource: Fix !CONFIG_CLOCKSOURCE_WATCHDOG compile
Soren Brinkmann (4):
clockchips: Add FEAT_PERCPU clockevent flag
clocksource/arm_global_timer: Set FEAT_PERCPU flag
tick: broadcast: Deny per-cpu clockevents from being broadcast
sources
arm: zynq: Enable arm_global_timer
Stephen Boyd (14):
clocksource: Extract max nsec calculation into separate function
sched_clock: Use seqcount instead of rolling our own
sched_clock: Use an hrtimer instead of timer
sched_clock: Add support for >32 bit sched_clock
clocksource: bcm2835: Switch to sched_clock_register()
clocksource: dbx500-prcmu: Switch to sched_clock_register()
clocksource: dw_apb_timer_of: Switch to sched_clock_register()
clocksource: mxs_timer: Switch to sched_clock_register()
clocksource: nomadik: Switch to sched_clock_register()
clocksource: samsung_pwm_timer: Switch to sched_clock_register()
clocksource: tegra: Switch to sched_clock_register()
clocksource: time-armada-370-xp: Switch to sched_clock_register()
clocksource: sirf: Switch to sched_clock_register() and use 64 bits
clocksource: vf_pit_timer: Switch to sched_clock_register()
Sudeep KarkadaNagesha (4):
ARM/ARM64: arch_timer: add macros for bits in control register
ARM: arch_timer: add support to configure and enable event stream
ARM64: arch_timer: add support to configure and enable event stream
drivers: clocksource: add CPU PM notifier for ARM architected timer
Will Deacon (1):
drivers: clocksource: add support for ARM architected timer event
stream
Zoran Markovic (1):
rtc: Keep system awake until all expired RTC timers are handled
arch/arm/boot/dts/zynq-7000.dtsi | 8 +++
arch/arm/include/asm/arch_timer.h | 36 ++++++++--
arch/arm/include/uapi/asm/hwcap.h | 1 +
arch/arm/kernel/setup.c | 1 +
arch/arm/mach-zynq/Kconfig | 1 +
arch/arm64/include/asm/arch_timer.h | 42 +++++++++--
arch/arm64/include/asm/hwcap.h | 11 +--
arch/arm64/include/uapi/asm/hwcap.h | 1 +
arch/arm64/kernel/setup.c | 11 +++
drivers/clocksource/Kconfig | 15 ++++
drivers/clocksource/arm_arch_timer.c | 49 +++++++++++++
drivers/clocksource/arm_global_timer.c | 3 +-
drivers/clocksource/bcm2835_timer.c | 4 +-
drivers/clocksource/clksrc-dbx500-prcmu.c | 5 +-
drivers/clocksource/dw_apb_timer_of.c | 4 +-
drivers/clocksource/mxs_timer.c | 4 +-
drivers/clocksource/nomadik-mtu.c | 4 +-
drivers/clocksource/samsung_pwm_timer.c | 4 +-
drivers/clocksource/tegra20_timer.c | 4 +-
drivers/clocksource/time-armada-370-xp.c | 4 +-
drivers/clocksource/timer-prima2.c | 6 +-
drivers/clocksource/vf_pit_timer.c | 4 +-
drivers/rtc/interface.c | 13 ++--
include/clocksource/arm_arch_timer.h | 10 +++
include/linux/clockchips.h | 1 +
include/linux/clocksource.h | 2 +
include/linux/sched_clock.h | 2 +
kernel/time/clocksource.c | 46 ++++++++----
kernel/time/ntp.c | 3 +-
kernel/time/sched_clock.c | 111
++++++++++++++++-------------
kernel/time/tick-broadcast.c | 1 +
31 files changed, 302 insertions(+), 109 deletions(-)
--
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