Commit 130a2fdf authored Apr 09, 2018 by Dmitry Osipenko Committed by Joerg Roedel May 03, 2018

iommu/tegra: gart: Fix gart_iommu_unmap()



It must return the number of unmapped bytes on success, returning 0 means
that unmapping failed and in result only one page is unmapped.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 40c9b882

drivers/iommu/tegra-gart.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -313,7 +313,7 @@ static size_t gart_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
		gart_set_pte(gart, iova, 0);
		FLUSH_GART_REGS(gart);
		spin_unlock_irqrestore(&gart->pte_lock, flags);
		return 0;
		return bytes;
		}

		static phys_addr_t gart_iommu_iova_to_phys(struct iommu_domain *domain,

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