From: Ohad Ben-Cohen Date: Thu, 10 Nov 2011 09:32:27 +0000 (+0200) Subject: iommu/omap: announce supported page sizes X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66bc8cf3b1f70227a7847c88c24a36b4886bb3c3;p=mv-sheeva.git iommu/omap: announce supported page sizes Let the IOMMU core know we support 4KiB, 64KiB, 1MiB and 16MiB page sizes. This way the IOMMU core can split any arbitrary-sized physically contiguous regions (that it needs to map) as needed. Signed-off-by: Ohad Ben-Cohen Cc: Hiroshi DOYU Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index ad80b1d0d09..08cf7ec5b4a 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -33,6 +33,9 @@ (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true); \ __i++) +/* bitmap of the page sizes currently supported */ +#define OMAP_IOMMU_PGSIZES (SZ_4K | SZ_64K | SZ_1M | SZ_16M) + /** * struct omap_iommu_domain - omap iommu domain * @pgtable: the page table @@ -1207,6 +1210,7 @@ static struct iommu_ops omap_iommu_ops = { .unmap = omap_iommu_unmap, .iova_to_phys = omap_iommu_iova_to_phys, .domain_has_cap = omap_iommu_domain_has_cap, + .pgsize_bitmap = OMAP_IOMMU_PGSIZES, }; static int __init omap_iommu_init(void)