Hi Joerg,

On Wednesday 14 September 2011 16:07:39 Joerg Roedel wrote:
> Without this patch it is possible to select the VIDEO_OMAP3
> driver which then selects OMAP_IOVMM. But the omap iommu
> driver is not compiled without IOMMU_SUPPORT enabled. Fix
> that by forcing OMAP_IOMMU and OMAP_IOVMM are enabled before
> VIDEO_OMAP3 can be selected.

What about making VIDEO_OMAP3 select IOMMU_SUPPORT instead then ? Your patch 
would make the OMAP3 ISP driver disappear from the menu until IOMMU_SUPPORT 
gets turned on, which can confuse users.

> Cc: Ohad Ben-Cohen <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Joerg Roedel <[email protected]>
> ---
>  drivers/iommu/Kconfig       |    4 ++--
>  drivers/media/video/Kconfig |    3 +--
>  2 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index d901930..ae46776 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -114,8 +114,8 @@ config OMAP_IOMMU
>       select IOMMU_API
> 
>  config OMAP_IOVMM
> -     tristate
> -     select OMAP_IOMMU
> +     tristate "OMAP IO Virtual Memory Manager Support"
> +     depends on OMAP_IOMMU
> 
>  config OMAP_IOMMU_DEBUG
>         tristate "Export OMAP IOMMU/IOVMM internals in DebugFS"
> diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
> index 6a25fad..6201069 100644
> --- a/drivers/media/video/Kconfig
> +++ b/drivers/media/video/Kconfig
> @@ -763,8 +763,7 @@ source "drivers/media/video/m5mols/Kconfig"
> 
>  config VIDEO_OMAP3
>       tristate "OMAP 3 Camera support (EXPERIMENTAL)"
> -     select OMAP_IOVMM
> -     depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API && ARCH_OMAP3 &&
> EXPERIMENTAL
> +     depends on OMAP_IOVMM && VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API &&
> ARCH_OMAP3 && EXPERIMENTAL
> ---help---
>         Driver for an OMAP 3 camera controller.

-- 
Regards,

Laurent Pinchart
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