Commit 544a25d9 authored Jan 19, 2017 by Eric Auger Committed by Will Deacon Jan 23, 2017

iommu: Only map direct mapped regions



As we introduced new reserved region types which do not require
mapping, let's make sure we only map direct mapped regions.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Tested-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 2b20cbba

drivers/iommu/iommu.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -343,6 +343,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group,
		start = ALIGN(entry->start, pg_size);
		end = ALIGN(entry->start + entry->length, pg_size);

		if (entry->type != IOMMU_RESV_DIRECT)
		continue;

		for (addr = start; addr < end; addr += pg_size) {
		phys_addr_t phys_addr;