From: Kukjin Kim <kgene@kernel.org> To: 'Javier Martinez Canillas' <javier@dowhile0.org>, 'Abhilash Kesavan' <a.kesavan@samsung.com> Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: RE: [PATCH v9] ARM: EXYNOS: Use MCPM call-backs to support S2R on Exynos5420 Date: Tue, 28 Oct 2014 19:12:01 +0900 [thread overview] Message-ID: <03ae01cff297$9d5dd6f0$d81984d0$@kernel.org> (raw) In-Reply-To: <CABxcv=kh9F3nNDUFMv9CDCDch+A2wAE+bStegKGVbte9-Yu-wQ@mail.gmail.com> Javier Martinez Canillas wrote: > > Hello Abhilash, > > On Wed, Oct 8, 2014 at 7:41 AM, Abhilash Kesavan <a.kesavan@samsung.com> wrote: > > Use the MCPM layer to handle core suspend/resume on Exynos5420. > > Also, restore the entry address setup code post-resume. > > > > Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> > > Acked-by: Nicolas Pitre <nico@linaro.org> > > --- > > Changes in v2: > > - Made use of the MCPM suspend/powered_up call-backs > > Changes in v3: > > - Used the residency value to indicate the entered state > > Changes in v4: > > - Checked if MCPM has been enabled to prevent build error > > Changes in v5: > > - Removed the MCPM flags and just used a local flag to > > indicate that we are suspending. > > Changes in v6: > > - Read the SYS_PWR_REG value to decide if we are suspending > > the system. > > - Restore the SYS_PWR_REG value post-resume. > > - Modified the comments to reflect the first change. > > Changes in v7: > > - Add the suspend check in exynos_cpu_power_down() rather > > than the MCPM back-end. > > - Clean-up unnecessary changes related to earlier versions. > > Changes in v8: > > - Rebased on the latest exynos PMU/PM support patches. > > Changes in v9: > > - Fixed rebasing issues in v8 > > - Used pmu_raw_readl instead of __raw_readl > > > > This patch is based on kgene's for-next branch. > > http://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/log/?h=for-next > > > > Here are the dependencies: > > 1) Decouple syscon interface from platform devices - v7 > > http://lkml.org/lkml/2014/9/30/156 > > > > 2) ARM: Exynos: Convert PMU implementation into a platform driver - v9 > > https://lkml.org/lkml/2014/10/6/89 > > > > 3) Exynos5420 PMU/S2R Series - v9 > > http://www.spinics.net/lists/arm-kernel/msg368207.html > > > > arch/arm/mach-exynos/mcpm-exynos.c | 32 +++++++++++++++-------- > > arch/arm/mach-exynos/platsmp.c | 12 +++++++++ > > arch/arm/mach-exynos/suspend.c | 49 ++++++++++++++++++++++++++++++++---- > > 3 files changed, 78 insertions(+), 15 deletions(-) [...] > > -- > > Patch looks good to me and also I tested on my Exynos5420 Peach Pit > and Suspend-to-Ram and resume is working correctly, so: > > Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> > Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> > Thanks for your review and test. - Kukjin
WARNING: multiple messages have this Message-ID (diff)
From: kgene@kernel.org (Kukjin Kim) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v9] ARM: EXYNOS: Use MCPM call-backs to support S2R on Exynos5420 Date: Tue, 28 Oct 2014 19:12:01 +0900 [thread overview] Message-ID: <03ae01cff297$9d5dd6f0$d81984d0$@kernel.org> (raw) In-Reply-To: <CABxcv=kh9F3nNDUFMv9CDCDch+A2wAE+bStegKGVbte9-Yu-wQ@mail.gmail.com> Javier Martinez Canillas wrote: > > Hello Abhilash, > > On Wed, Oct 8, 2014 at 7:41 AM, Abhilash Kesavan <a.kesavan@samsung.com> wrote: > > Use the MCPM layer to handle core suspend/resume on Exynos5420. > > Also, restore the entry address setup code post-resume. > > > > Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> > > Acked-by: Nicolas Pitre <nico@linaro.org> > > --- > > Changes in v2: > > - Made use of the MCPM suspend/powered_up call-backs > > Changes in v3: > > - Used the residency value to indicate the entered state > > Changes in v4: > > - Checked if MCPM has been enabled to prevent build error > > Changes in v5: > > - Removed the MCPM flags and just used a local flag to > > indicate that we are suspending. > > Changes in v6: > > - Read the SYS_PWR_REG value to decide if we are suspending > > the system. > > - Restore the SYS_PWR_REG value post-resume. > > - Modified the comments to reflect the first change. > > Changes in v7: > > - Add the suspend check in exynos_cpu_power_down() rather > > than the MCPM back-end. > > - Clean-up unnecessary changes related to earlier versions. > > Changes in v8: > > - Rebased on the latest exynos PMU/PM support patches. > > Changes in v9: > > - Fixed rebasing issues in v8 > > - Used pmu_raw_readl instead of __raw_readl > > > > This patch is based on kgene's for-next branch. > > http://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/log/?h=for-next > > > > Here are the dependencies: > > 1) Decouple syscon interface from platform devices - v7 > > http://lkml.org/lkml/2014/9/30/156 > > > > 2) ARM: Exynos: Convert PMU implementation into a platform driver - v9 > > https://lkml.org/lkml/2014/10/6/89 > > > > 3) Exynos5420 PMU/S2R Series - v9 > > http://www.spinics.net/lists/arm-kernel/msg368207.html > > > > arch/arm/mach-exynos/mcpm-exynos.c | 32 +++++++++++++++-------- > > arch/arm/mach-exynos/platsmp.c | 12 +++++++++ > > arch/arm/mach-exynos/suspend.c | 49 ++++++++++++++++++++++++++++++++---- > > 3 files changed, 78 insertions(+), 15 deletions(-) [...] > > -- > > Patch looks good to me and also I tested on my Exynos5420 Peach Pit > and Suspend-to-Ram and resume is working correctly, so: > > Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> > Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> > Thanks for your review and test. - Kukjin
next prev parent reply other threads:[~2014-10-28 10:12 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-10-08 5:41 [PATCH v9] ARM: EXYNOS: Use MCPM call-backs to support S2R on Exynos5420 Abhilash Kesavan 2014-10-08 5:41 ` Abhilash Kesavan 2014-10-08 9:08 ` Javier Martinez Canillas 2014-10-08 9:08 ` Javier Martinez Canillas 2014-10-28 10:12 ` Kukjin Kim [this message] 2014-10-28 10:12 ` Kukjin Kim 2014-10-28 9:03 ` Javier Martinez Canillas 2014-10-28 9:03 ` Javier Martinez Canillas 2014-10-28 10:10 ` Kukjin Kim 2014-10-28 10:10 ` Kukjin Kim
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