[PATCH v7 1/2] ARM: EXYNOS: Change System MMU platform device definitions

[Marek Szyprowski]

Hello,

On Friday, November 18, 2011 10:47 AM KyongHo Cho wrote:

> Handling System MMUs with an identifier is not flexible to manage
> System MMU platform devices because of the following reasons:
> 1. A device driver which needs to handle System MMU must know the ID.
> 2. A System MMU may not present in some implementations of Exynos family.
> 3. Handling System MMU with IOMMU API does not require an ID.
> 
> This patch is the result of removing ID of System MMUs.
> Instead, a device driver that needs to handle its System MMU must
> use IOMMU API while its descriptor of platform device is given.
> 
> This patch also includes the following enhanclements:
> - A System MMU device becomes a child if its power domain device.
> - clkdev
> 
> Signed-off-by: KyongHo Cho <pullip.cho at samsung.com>
> ---
>  arch/arm/mach-exynos/Kconfig                      |    2 +
>  arch/arm/mach-exynos/clock-exynos4210.c           |   16 ++
>  arch/arm/mach-exynos/clock.c                      |   55 ++--
>  arch/arm/mach-exynos/dev-sysmmu.c                 |  272 +++++----------------
>  arch/arm/mach-exynos/include/mach/dev-sysmmu.h    |   61 +++++
>  arch/arm/mach-exynos/include/mach/exynos4-clock.h |    1 +
>  arch/arm/mach-exynos/include/mach/map.h           |    3 +-
>  arch/arm/mach-exynos/include/mach/regs-sysmmu.h   |   26 +-
>  arch/arm/mach-exynos/include/mach/sysmmu.h        |   46 ----
>  arch/arm/mach-exynos/mach-armlex4210.c            |    1 -
>  arch/arm/mach-exynos/mach-nuri.c                  |   40 +++
>  arch/arm/mach-exynos/mach-origen.c                |   42 ++++
>  arch/arm/mach-exynos/mach-smdk4x12.c              |    9 +
>  arch/arm/mach-exynos/mach-smdkv310.c              |   43 ++++-
>  arch/arm/mach-exynos/mach-universal_c210.c        |   42 ++++
>  arch/arm/plat-samsung/include/plat/devs.h         |    1 -
>  16 files changed, 356 insertions(+), 304 deletions(-)
>  create mode 100644 arch/arm/mach-exynos/include/mach/dev-sysmmu.h
>  delete mode 100644 arch/arm/mach-exynos/include/mach/sysmmu.h
> 
> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
> index 0afcc3b..67769fb 100644
> --- a/arch/arm/mach-exynos/Kconfig
> +++ b/arch/arm/mach-exynos/Kconfig
> @@ -272,6 +272,7 @@ config MACH_NURI
>  	select EXYNOS4_SETUP_I2C5
>  	select EXYNOS4_SETUP_SDHCI
>  	select EXYNOS4_SETUP_USB_PHY
> +	select EXYNOS4_DEV_SYSMMU
>  	select S5P_SETUP_MIPIPHY
>  	select SAMSUNG_DEV_PWM
>  	select SAMSUNG_DEV_ADC
> @@ -301,6 +302,7 @@ config MACH_ORIGEN
>  	select EXYNOS4_SETUP_FIMD0
>  	select EXYNOS4_SETUP_SDHCI
>  	select EXYNOS4_SETUP_USB_PHY
> +	select EXYNOS4_DEV_SYSMMU

The "select EXYNOS4_DEV_SYSMMU" statement is missing for UniversalC210 and SMDK boards
what causes compilation issues if only these boards are selected.

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center