Re: [PATCH v2 1/9] ARM: OMAP: iommu: fix including iommu.h without IOMMU_API selected

From: Laurent Pinchart
Date: Wed Sep 19 2012 - 05:34:57 EST


On Wednesday 12 September 2012 14:45:44 Omar Ramirez Luna wrote:
> If included without IOMMU_API being selected it will break
> compilation:
>
> arch/arm/plat-omap/include/plat/iommu.h:
> In function 'dev_to_omap_iommu':
> arch/arm/plat-omap/include/plat/iommu.h:148:
> error: 'struct dev_archdata' has no member named 'iommu'
>
> This will be seen when hwmod includes iommu.h to get the
> structure for attributes. Also needed for tidspbridge
> incremental migration to use iommu code.
>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Signed-off-by: Omar Ramirez Luna <omar.luna@xxxxxxxxxx>

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

I had the same patch in my tree already :-)

> ---
> arch/arm/plat-omap/include/plat/iommu.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/plat-omap/include/plat/iommu.h
> b/arch/arm/plat-omap/include/plat/iommu.h index 88be3e6..e58d571 100644
> --- a/arch/arm/plat-omap/include/plat/iommu.h
> +++ b/arch/arm/plat-omap/include/plat/iommu.h
> @@ -126,6 +126,7 @@ struct omap_iommu_arch_data {
> struct omap_iommu *iommu_dev;
> };
>
> +#ifdef CONFIG_IOMMU_API
> /**
> * dev_to_omap_iommu() - retrieves an omap iommu object from a user device
> * @dev: iommu client device
> @@ -136,6 +137,7 @@ static inline struct omap_iommu
> *dev_to_omap_iommu(struct device *dev)
>
> return arch_data->iommu_dev;
> }
> +#endif
>
> /* IOMMU errors */
> #define OMAP_IOMMU_ERR_TLB_MISS (1 << 0)

--
Regards,

Laurent Pinchart

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