[PATCH 00/10] ARM: S3C24XX: rework irq handling for a later dt usage

Kukjin Kim kgene.kim at samsung.com
Tue Nov 20 06:51:54 EST 2012


Heiko Stübner wrote:
> 
> All S3C24XX arches share the same interrupt registers and basic handling
> principles but the individual interrupts differ quite a lot between all
> the arches.
> 
> This series therefore tries to unify this a bit by abstracting the irq
> handling and enabling the arches to simply provide a structure describing
> its individual interrupts.
> 
> With this declarative approach it should also be (hopefully) easy to
> move this to devicetree later.
> 
> For the initial transformation (in patch 1) I gave up on trying to do
> this in individual steps, so the patch might be a bit bumpy to read,
> but the new irq code does provide the exactly same interrupts and
> handlers as the old code. This also means that the unconverted arches
> shouldn't feel any difference at all.
> 
> I've only included the s3c2416 and s3c2443 interrupts for now, as the
> s3c2416 is my main development platform and the s3c2443 is so very
> similar. But the other arches use the same mechanics so conversion
> should be quite easy later.
> 
> As it seems to be the policy for drivers/irqchip that drivers there
> should not contain platform-hooks or pollute the namespace with custom
> init functons, the irq code stays in plat-s3c24xx for now.
> 
> Heiko Stuebner (10):
>   ARM: S3C24XX: transform irq handling into a declarative form
>   ARM: S3C24XX: move irq-pm code into main irq file
>   ARM: S3C24XX: cleanup irq-pm integration
>   ARM: S3C24XX: move s3c2416 irq init to common irq code
>   ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
>   ARM: S3C24XX: assimilate s3c2416 subirqs into new structure
>   ARM: S3C24XX: assimilate second s3c2416 interrupt into new structure
>   ARM: S3C24XX: move s3c2443 irq code to irq.c
>   ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
>   ARM: S3C24XX: assimilate s3c2443 subirqs into new structure
> 
>  arch/arm/mach-s3c24xx/Makefile               |    6 +-
>  arch/arm/mach-s3c24xx/common.h               |    2 +
>  arch/arm/mach-s3c24xx/irq-pm.c               |   95 ---
>  arch/arm/mach-s3c24xx/irq-s3c2416.c          |  348 --------
>  arch/arm/mach-s3c24xx/irq-s3c2443.c          |  281 -------
>  arch/arm/mach-s3c24xx/mach-smdk2416.c        |    2 +-
>  arch/arm/mach-s3c24xx/mach-smdk2443.c        |    2 +-
>  arch/arm/mach-s3c24xx/s3c2410.c              |    4 +-
>  arch/arm/mach-s3c24xx/s3c2412.c              |    4 +-
>  arch/arm/mach-s3c24xx/s3c2416.c              |    4 +-
>  arch/arm/mach-s3c24xx/s3c2440.c              |    4 +-
>  arch/arm/mach-s3c24xx/s3c2442.c              |    4 +-
>  arch/arm/plat-s3c24xx/Kconfig                |    1 +
>  arch/arm/plat-s3c24xx/irq.c                  | 1140 ++++++++++++++++---------
> -
>  arch/arm/plat-samsung/include/plat/pm.h      |    6 -
>  arch/arm/plat-samsung/include/plat/s3c2416.h |    1 +
>  arch/arm/plat-samsung/include/plat/s3c2443.h |    2 +
>  17 files changed, 737 insertions(+), 1169 deletions(-)
>  delete mode 100644 arch/arm/mach-s3c24xx/irq-pm.c
>  delete mode 100644 arch/arm/mach-s3c24xx/irq-s3c2416.c
>  delete mode 100644 arch/arm/mach-s3c24xx/irq-s3c2443.c
> 
> --
> 1.7.2.3

Good job, but I need more time to look at this whole series...I will try to do before this weekend ;-)

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.




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