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

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Message-ID: <53D5FF06.6080904@linaro.org>
Date:	Mon, 28 Jul 2014 09:43:02 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>
CC:	Tomasz Figa <t.figa@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH v3 0/4] ARM: EXYNOS: cpuidle: fix AFTR mode on boards
 with secure firmware enabled

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 ?

Thanks

   -- Daniel

> v3:
> - rebased on top of next-20140708 +
>    http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg32809.html
>    (with rejects fixed)
>    http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg32808.html
>    http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/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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