From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: rjw@sisk.pl, linux-pm@vger.kernel.org, kyungmin.park@samsung.com
Subject: Re: [PATCH 0/9] cpuidle: rework device state count handling
Date: Thu, 26 Sep 2013 12:40:17 +0200 [thread overview]
Message-ID: <52440F11.8010706@linaro.org> (raw)
In-Reply-To: <98588621.30oeP6cEfZ@amdc1032>
On 09/23/2013 06:05 PM, Bartlomiej Zolnierkiewicz wrote:
>
> Hi Daniel,
>
> Did you have a chance to take a look at this patchset?
>
> Could it be queued for 3.13 (unfortunately it is probably too late for 3.12)?
Thanks for the head up, I will review it.
Unfortunately this patchset did not get any acked-by from the different
maintainers. Furthermore I believe it would be up to Rafael to take them.
-- Daniel
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
>
> On Tuesday, August 20, 2013 04:23:38 PM Bartlomiej Zolnierkiewicz wrote:
>> Hi,
>>
>> Some cpuidle drivers assume that cpuidle core will handle cases where
>> device->state_count is smaller than driver->state_count, unfortunately
>> currently this is untrue (device->state_count is used only for handling
>> cpuidle state sysfs entries and driver->state_count is used for all
>> other cases) and will not be fixed in the future as device->state_count
>> is planned to be removed [1].
>>
>> This patchset fixes such drivers (ARM EXYNOS cpuidle driver and ACPI
>> cpuidle driver), removes superflous device->state_count initialization
>> from drivers for which device->state_count equals driver->state_count
>> (POWERPC pseries cpuidle driver and intel_idle driver) and finally
>> removes state_count field from struct cpuidle_device.
>>
>> Additionaly (while at it) this patchset fixes C1E promotion disable
>> quirk handling (in intel_idle driver) and converts cpuidle drivers code
>> to use the common cpuidle_[un]register() routines (in POWERPC pseries
>> cpuidle driver and intel_idle driver).
>>
>> [1] http://permalink.gmane.org/gmane.linux.power-management.general/36908
>>
>> Best regards,
>> --
>> Bartlomiej Zolnierkiewicz
>> Samsung R&D Institute Poland
>> Samsung Electronics
>>
>>
>> Bartlomiej Zolnierkiewicz (9):
>> ARM: EXYNOS: cpuidle: fix AFTR mode check
>> POWERPC: pseries: cpuidle: remove superfluous dev->state_count
>> initialization
>> POWERPC: pseries: cpuidle: use the common cpuidle_[un]register()
>> routines
>> ACPI / cpuidle: fix max idle state handling with hotplug CPU support
>> ACPI / cpuidle: remove dev->state_count setting
>> intel_idle: do C1E promotion disable quirk for hotplugged CPUs
>> intel_idle: remove superfluous dev->state_count initialization
>> intel_idle: use the common cpuidle_[un]register() routines
>> cpuidle: remove state_count field from struct cpuidle_device
>>
>> arch/arm/mach-exynos/cpuidle.c | 8 +-
>> arch/powerpc/platforms/pseries/processor_idle.c | 59 +---------
>> drivers/acpi/processor_idle.c | 29 +++--
>> drivers/cpuidle/cpuidle.c | 3 -
>> drivers/cpuidle/sysfs.c | 5 +-
>> drivers/idle/intel_idle.c | 140 +++++-------------------
>> include/linux/cpuidle.h | 1 -
>> 7 files changed, 51 insertions(+), 194 deletions(-)
>
--
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next prev parent reply other threads:[~2013-09-26 10:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-20 14:23 [PATCH 0/9] cpuidle: rework device state count handling Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 1/9] ARM: EXYNOS: cpuidle: fix AFTR mode check Bartlomiej Zolnierkiewicz
2013-09-26 10:42 ` Daniel Lezcano
2013-08-20 14:23 ` [PATCH 2/9] POWERPC: pseries: cpuidle: remove superfluous dev->state_count initialization Bartlomiej Zolnierkiewicz
2013-09-26 10:45 ` Daniel Lezcano
2013-08-20 14:23 ` [PATCH 3/9] POWERPC: pseries: cpuidle: use the common cpuidle_[un]register() routines Bartlomiej Zolnierkiewicz
2013-09-26 10:47 ` Daniel Lezcano
2013-08-20 14:23 ` [PATCH 4/9] ACPI / cpuidle: fix max idle state handling with hotplug CPU support Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 5/9] ACPI / cpuidle: remove dev->state_count setting Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 6/9] intel_idle: do C1E promotion disable quirk for hotplugged CPUs Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 7/9] intel_idle: remove superfluous dev->state_count initialization Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 8/9] intel_idle: use the common cpuidle_[un]register() routines Bartlomiej Zolnierkiewicz
2013-08-20 14:23 ` [PATCH 9/9] cpuidle: remove state_count field from struct cpuidle_device Bartlomiej Zolnierkiewicz
2013-09-23 16:05 ` [PATCH 0/9] cpuidle: rework device state count handling Bartlomiej Zolnierkiewicz
2013-09-26 10:40 ` Daniel Lezcano [this message]
2013-09-27 1:04 ` Rafael J. Wysocki
2013-11-04 14:28 ` Bartlomiej Zolnierkiewicz
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