Re: [GIT PULL] cpuidle ARM new material for 3.18

From: Rafael J. Wysocki
Date: Thu Sep 25 2014 - 16:24:28 EST


On Thursday, September 25, 2014 02:10:38 PM Daniel Lezcano wrote:
>
> [resent because of the missing Cc]
>
> Hi Rafael,
>
> this pull request contains the following changes:
>
> * Lorenzo Pieralisi implemented a framework to initialize the ARM
> cpuidle drivers with the DT. As an example, it provided a couple of
> drivers using it: arm64 and big little. The former one is a new driver
> while the latter is a change. There was also a patch for Exynos allowing
> to use this framework but as it depends on a change in Samsung's tree, I
> postponed this patch until the change is visible after the merge. The
> set of changes depends on some other changes made in the ARM64 tree, for
> this reason a shared branch is used. This is why there is a merge from
> arm64 in my pull request. I believe we already used this procedure.
>
> * Kevin Hilman added the compatible string for the exynos 5800 in the DT

Pulled, thanks!

I'd appreciate earlier pull requests in the future, though.

Rafael


> The following changes since commit 0f33be009b89d2268e94194dc4fd01a7851b6d51:
>
> Linux 3.17-rc6 (2014-09-21 15:43:02 -0700)
>
> are available in the git repository at:
>
> https://git.linaro.org/people/daniel.lezcano/linux.git cpuidle/3.18
>
> for you to fetch changes up to d2e5c871ed8a250f7ee1fe34dd52ed5757363fba:
>
> drivers: cpuidle: initialize big.LITTLE driver through DT (2014-09-25
> 10:52:21 +0200)
>
> ----------------------------------------------------------------
> Daniel Lezcano (1):
> Merge branch 'for-next/cpuidle' of
> git://git.kernel.org/.../arm64/linux into cpuidle/3.18
>
> Kevin Hilman (1):
> cpuidle: big.LITTLE: add Exynos5800 compatible string
>
> Lorenzo Pieralisi (7):
> Documentation: arm: define DT idle states bindings
> arm64: kernel: refactor the CPU suspend API for retention states
> arm64: kernel: introduce cpu_init_idle CPU operation
> arm64: add PSCI CPU_SUSPEND based cpu_suspend support
> drivers: cpuidle: implement DT based idle states infrastructure
> drivers: cpuidle: CPU idle ARM64 driver
> drivers: cpuidle: initialize big.LITTLE driver through DT
>
> Documentation/devicetree/bindings/arm/cpus.txt | 8 +
> .../devicetree/bindings/arm/idle-states.txt | 679
> +++++++++++++++++++++
> Documentation/devicetree/bindings/arm/psci.txt | 14 +-
> arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 23 +
> arch/arm64/include/asm/cpu_ops.h | 3 +
> arch/arm64/include/asm/cpuidle.h | 13 +
> arch/arm64/include/asm/suspend.h | 1 +
> arch/arm64/kernel/Makefile | 1 +
> arch/arm64/kernel/cpuidle.c | 31 +
> arch/arm64/kernel/psci.c | 104 ++++
> arch/arm64/kernel/sleep.S | 47 +-
> arch/arm64/kernel/suspend.c | 48 +-
> drivers/cpuidle/Kconfig | 8 +
> drivers/cpuidle/Kconfig.arm | 1 +
> drivers/cpuidle/Kconfig.arm64 | 14 +
> drivers/cpuidle/Makefile | 5 +
> drivers/cpuidle/cpuidle-arm64.c | 133 ++++
> drivers/cpuidle/cpuidle-big_little.c | 20 +
> drivers/cpuidle/dt_idle_states.c | 213 +++++++
> drivers/cpuidle/dt_idle_states.h | 7 +
> 20 files changed, 1340 insertions(+), 33 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/arm/idle-states.txt
> create mode 100644 arch/arm64/include/asm/cpuidle.h
> create mode 100644 arch/arm64/kernel/cpuidle.c
> create mode 100644 drivers/cpuidle/Kconfig.arm64
> create mode 100644 drivers/cpuidle/cpuidle-arm64.c
> create mode 100644 drivers/cpuidle/dt_idle_states.c
> create mode 100644 drivers/cpuidle/dt_idle_states.h
>
>
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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