Re: [PATCH v3 0/4] ARM: EXYNOS: cpuidle: fix AFTR mode on boards with secure firmware enabled

From: Bartlomiej Zolnierkiewicz
Date: Tue Aug 05 2014 - 08:04:54 EST



Hi Daniel,

On Monday, July 28, 2014 09:43:02 AM Daniel Lezcano wrote:
> On 07/09/2014 07:17 PM, Bartlomiej Zolnierkiewicz wrote:
> > Hi,
> >
> > This patch series adds support for AFTR idle mode on boards with
> > secure firmware enabled and allows EXYNOS cpuidle driver usage on
> > Exynos4x12 SoCs.
> >
> > It has been tested on Trats2 board (using Exynos4412 SoC with secure
> > firmware enabled) on which AFTR mode reduces power consumption by ~12%
> > when EXYNOS cpuidle driver is enabled (in both cases the default
> > exynos_defconfig config is used and CPU1-3 are offlined).
>
>
> Hi Bartlomiej,
>
> what is the status of this patchset ? Is it supposed to land for 3.17 ?

I posted v4 yesterday:
http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg35197.html

When it comes to merging the patchset for 3.17 it is up to Kukjin.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> Thanks
>
> -- Daniel
>
> > v3:
> > - rebased on top of next-20140708 +
> > http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg32809.html
> > (with rejects fixed)
> > http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg32808.html
> > http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg32991.html
> > (with rejects fixed in patch #2)
> > - addressed review comments from Tomasz Figa and Daniel Lezcano
> >
> > Best regards,
> > --
> > Bartlomiej Zolnierkiewicz
> > Samsung R&D Institute Poland
> > Samsung Electronics
> >
> >
> > Bartlomiej Zolnierkiewicz (4):
> > ARM: EXYNOS: PM: replace EXYNOS_BOOT_VECTOR_* macros by static inlines
> > ARM: EXYNOS: add AFTR mode support to firmware do_idle method
> > ARM: EXYNOS: cpuidle: add secure firmware support to AFTR mode code
> > ARM: EXYNOS: cpuidle: allow driver usage on Exynos4x12 SoCs
> >
> > arch/arm/include/asm/firmware.h | 2 +-
> > arch/arm/mach-exynos/common.h | 7 ++++++-
> > arch/arm/mach-exynos/exynos.c | 3 ++-
> > arch/arm/mach-exynos/firmware.c | 36 ++++++++++++++++++++++++++----------
> > arch/arm/mach-exynos/pm.c | 39 +++++++++++++++++++++++++++++----------
> > drivers/cpuidle/cpuidle-exynos.c | 6 +++---
> > 6 files changed, 67 insertions(+), 26 deletions(-)

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