[PATCH v4 2/2] iommu/exynos: Add iommu driver for Exynos Platforms

[Ohad Ben-Cohen]

Hi KyongHo,

On Wed, Oct 12, 2011 at 10:07 AM, KyongHo Cho <pullip.cho at samsung.com> wrote:
> +static int exynos_iommu_unmap(struct iommu_domain *domain, unsigned long
> iova,
> +                          int gfp_order)
> +{
...
> +       return 0;
> +}

->unmap() should return the size of the unmapped region (in page order
atm); this is already expected by mainline users of the IOMMU API
today, and will also be used by the iommu core itself soon.

Ohad.