On Friday, December 20, 2013 07:47:22 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 > > Reference to v1: > http://comments.gmane.org/gmane.linux.power-management.general/37390 > > Changes since v1: > - synced patch series with next-20131220 > - added ACKs from Daniel Lezcano I've queued up the series for 3.14, thanks! > 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(-) > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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