[PATCH 0/4 v2] iommu/exynos: Add IOMMU and Enhance System MMU driver for Exynos4

[KyongHo Cho]

I am sorry :(

My mailer converted tabs into spaces.

Moreover, git send-email is not available now.

I stopped sending patches after sending "[PATCH 1/4 v2]".

I will submit the complete patches after everything becomes OK.

Sorry for disrupting.

Regards,
Cho KyongHo.

On Mon, Sep 26, 2011 at 7:00 PM, KyongHo Cho <pullip.cho at samsung.com> wrote:
> This is the second try of submitting patches about IOMMU/System MMU
> driver for Exynos4 SoCs with the fixes of the following problems
> pointed by Russell King.:
>  - Missing unlocking a spinlock in exynos_iommu_attach_dev().
>  - atomic_t -> int in sysmmu_drvdata.activations
>  - sysmmu_platdata -> sysmmu_drvdata
>  - Change in error messages in irq handler
>  - Removed casting in format of error message
>  - omap_iommu_ops -> exynos_iommu_ops in the last patch.
>
> First 2 patches enhance System MMU platform device definition:
>  - Removed System MMU for MDMA0 in LCD block because it is not used.
>  Use MDMA2 in TOP block.
>  - Removed System MMU ID. Instead a System MMU is bound to a device that
>  the System MMU is dedicated during machin initialization. If a device
>  driver wants to handle System MMU, it must bind its device with System
>  MMU with sysmmu_set_owner().
>  - clkdev
>  - System MMU device driver is removed from arch/arm/plat-s5p to move it
>  to driver/iommu directory.
> Last 2 patches implements IOMMU API:
>  - Implements IOMMU API and System MMU driver that is moved from
>  arch/arm/plat-s5p.
>  - Implements fault handling that is suggested by Ohad.
>  - Used bus_set_iommu instead of register_iommu that is suggested by Joerg.
>
> Regards,
> Cho KyongHo.
>
> Diffstats:
>
> arch/arm/mach-exynos4/Kconfig               |    2 -
> arch/arm/mach-exynos4/clock.c               |   43 +-
> arch/arm/mach-exynos4/dev-sysmmu.c          |  270 ++------
> arch/arm/mach-exynos4/include/mach/irqs.h   |    1 -
> arch/arm/mach-exynos4/include/mach/map.h    |    1 -
> arch/arm/mach-exynos4/include/mach/sysmmu.h |   85 ++-
> arch/arm/mach-exynos4/mach-armlex4210.c     |   24 +-
> arch/arm/mach-exynos4/mach-smdkv310.c       |   28 +-
> arch/arm/plat-s5p/Kconfig                   |    8 -
> arch/arm/plat-s5p/Makefile                  |    1 -
> arch/arm/plat-s5p/include/plat/sysmmu.h     |   95 ---
> arch/arm/plat-s5p/sysmmu.c                  |  312 ---------
> drivers/iommu/Kconfig                       |   14 +
> drivers/iommu/Makefile                      |    1 +
> drivers/iommu/exynos_iommu.c                |  933 +++++++++++++++++++++++++++
> 15 files changed, 1134 insertions(+), 684 deletions(-)
>