Re: [PATCH v8 6/8] drivers: cpuidle: CPU idle ARM64 driver

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Hi,

On Friday, September 12, 2014 12:26:43 PM Lorenzo Pieralisi wrote:
> On Fri, Sep 12, 2014 at 11:32:57AM +0100, Catalin Marinas wrote:
> > Daniel, Lorenzo,
> > 
> > On Thu, Sep 11, 2014 at 10:32:48AM +0100, Daniel Lezcano wrote:
> > > On 09/11/2014 10:57 AM, Lorenzo Pieralisi wrote:
> > > > There is no ARM code in my series. So to sum it up:
> > > >
> > > > a) I send a pull request to Catalin for arm64 patches on top of the branch
> > > >     you are creating with my patches
> > >  >
> > > > b) You take care of merging the CPUidle related patches through your
> > > >     tree
> > > >
> > > > Is the above what you meant ?
> > > 
> > > Right, that allows to share a branch across the trees and resolve the 
> > > dependencies when a patchset is touching different subsystems.
> > > 
> > > I realize the dependency is inverted regarding what I proposed 
> > > initially, so it is up to Catalin to create the branch and I will share 
> > > it with him.
> > 
> > I created the branch below with the arm64 specific patches for cpuidle.
> > I won't rebase it and it should appear in -next tomorrow.
> > 
> > Lorenzo, please send a pull request to Daniel with the additional
> > patches on top of the arm64 branch. Thanks.
> 
> Thank you very much, done. Pull request attached for information.
> 
> As Daniel knows, last two patches are still pending, waiting for Samsung
> acks, and will be dropped if we do not get them in time.
> 
> Lorenzo
> 
> The following changes since commit 18910ab0d916b1a87016d69efd027714a80521dd:
> 
>   arm64: add PSCI CPU_SUSPEND based cpu_suspend support (2014-09-12 10:48:56 +0100)
> 
> are available in the git repository at:
> 
>   git://linux-arm.org/linux-2.6-lp.git for-upstream/arm-generic-cpuidle
> 
> for you to fetch changes up to dda773655f9b97570884c4396ad4d63daf177107:
> 
>   drivers: cpuidle: initialize Exynos driver through DT (2014-09-12 11:37:43 +0100)
> 
> ----------------------------------------------------------------
> Bartlomiej Zolnierkiewicz (1):
>       ARM: dts: add CPU nodes for Exynos4 SoCs

This patch got broken during merge.  It differs from the version I posted
on the list by not having the closing "};" which causes a dtb build failure:

Error: arch/arm/boot/dts/exynos4210-origen.dts:21.1-2 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [arch/arm/boot/dts/exynos4210-origen.dtb] Error 1
make: *** [dtbs] Error 2
make: *** Waiting for unfinished jobs....

Please regenarate your branch with the fixed version of the patch
(you can squash the fix below to the broken patch).

---
 arch/arm/boot/dts/exynos4210.dtsi |    1 +
 1 file changed, 1 insertion(+)

Index: b/arch/arm/boot/dts/exynos4210.dtsi
===================================================================
--- a/arch/arm/boot/dts/exynos4210.dtsi	2014-09-23 14:14:29.793571708 +0200
+++ b/arch/arm/boot/dts/exynos4210.dtsi	2014-09-23 14:17:22.029565827 +0200
@@ -39,6 +39,7 @@
 			<&clock CLK_OUT_CPU>, <&clock CLK_XXTI>,
 			<&clock CLK_XUSBXTI>;
 		#clock-cells = <1>;
+	};
 
 	cpus {
 		#address-cells = <1>;

> Lorenzo Pieralisi (4):
>       drivers: cpuidle: implement DT based idle states infrastructure
>       drivers: cpuidle: CPU idle ARM64 driver
>       drivers: cpuidle: initialize big.LITTLE driver through DT
>       drivers: cpuidle: initialize Exynos driver through DT
> 
>  arch/arm/boot/dts/exynos4210.dtsi          |  27 ++++
>  arch/arm/boot/dts/exynos4212.dtsi          |  17 +++
>  arch/arm/boot/dts/exynos4412.dtsi          |  29 ++++
>  arch/arm/boot/dts/exynos5250.dtsi          |  11 ++
>  arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts |  23 ++++
>  drivers/cpuidle/Kconfig                    |   8 ++
>  drivers/cpuidle/Kconfig.arm                |   2 +
>  drivers/cpuidle/Kconfig.arm64              |  14 ++
>  drivers/cpuidle/Makefile                   |   5 +
>  drivers/cpuidle/cpuidle-arm64.c            | 133 ++++++++++++++++++
>  drivers/cpuidle/cpuidle-big_little.c       |  19 +++
>  drivers/cpuidle/cpuidle-exynos.c           |  18 ++-
>  drivers/cpuidle/dt_idle_states.c           | 213 +++++++++++++++++++++++++++++
>  drivers/cpuidle/dt_idle_states.h           |   7 +
>  14 files changed, 525 insertions(+), 1 deletion(-)
>  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

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

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