Hi KyongHo, On Wed, Oct 12, 2011 at 10:07 AM, KyongHo Cho <pullip.cho@xxxxxxxxxxx> 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. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html