[PATCH 00/15] ARM: cpuidle: code consolidation

[Rob Herring]

On 03/25/2013 12:55 PM, Daniel Lezcano wrote:
> The flag CPUIDLE_FLAG_TIMER_STOP has been introduced in the commit
> 89878baa73f0f1c679355006bd8632e5d78f96c2.
> 
> The flag tells the cpuidle framework the local timer will stop in the
> idle state.
> 
> It is now easy to know if the cpuidle driver will use or not the broadcast
> timer by looking at the different states for this flag and then setup
> the broadcast timer consequently.
> 
> When we remove the timer initialization duplicated code in the different
> drivers, we have most of the drivers with the same init function. This
> init function is changed to be generic and moved in the ARM cpuidle driver
> and used from the drivers. That cleanups code and removes a lot of annoying
> duplicated code.
> 
> There is still some modification in OMAP4, tegra2, tegra3 and imx, especially
> around the coupled idle states, but we are more and more closer to a common
> squeleton for all the ARM drivers.
> 
> Daniel Lezcano (15):
>   timer: move enum definition out of ifdef section
>   cpuidle: initialize the broadcast timer framework
>   cpuidle: ux500: remove timer broadcast initialization
>   cpuidle: OMAP4: remove timer broadcast initialization
>   cpuidle: imx6: remove timer broadcast initialization
>   ARM: cpuidle: remove useless declaration
>   ARM: cpuidle: add init/exit routine
>   ARM: ux500: cpuidle: use init/exit common routine
>   ARM: at91: cpuidle: use init/exit common routine
>   ARM: OMAP3: cpuidle: use init/exit common routine
>   ARM: s3c64xx: cpuidle: use init/exit common routine
>   ARM: tegra1: cpuidle: use init/exit common routine
>   ARM: shmobile: pm: fix init sections
>   ARM: shmobile: cpuidle: remove useless WFI function
>   ARM: shmobile: cpuidle: use init/exit common routine
> 
>  arch/arm/include/asm/cpuidle.h         |   11 +++---
>  arch/arm/kernel/cpuidle.c              |   57 +++++++++++++++++++++++++++++++-
>  arch/arm/mach-at91/cpuidle.c           |   17 ++--------
>  arch/arm/mach-imx/cpuidle-imx6q.c      |   15 ---------
>  arch/arm/mach-omap2/cpuidle34xx.c      |   18 ++--------
>  arch/arm/mach-omap2/cpuidle44xx.c      |   14 --------
>  arch/arm/mach-s3c64xx/cpuidle.c        |   15 ++-------
>  arch/arm/mach-shmobile/cpuidle.c       |   22 ++----------
>  arch/arm/mach-shmobile/pm-sh7372.c     |    4 +--
>  arch/arm/mach-tegra/cpuidle-tegra114.c |   27 +--------------
>  arch/arm/mach-ux500/cpuidle.c          |   50 +---------------------------
>  drivers/cpuidle/driver.c               |   35 ++++++++++++++++++--
>  include/linux/clockchips.h             |   22 ++++++------
>  include/linux/cpuidle.h                |    2 ++
>  14 files changed, 120 insertions(+), 189 deletions(-)

What happened to the Calxeda driver?

Rob