From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 11 Jul 2012 10:41:10 +0000 (+0200)
Subject: iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute
X-Git-Tag: firefly_0821_release~3680^2~2367^2^6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3177bb76a8;p=firefly-linux-kernel-4.4.55.git

iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute

Implement the attribute for the Samsung Exynos IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 9a114b9ff170..5c40937e9988 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -732,6 +732,10 @@ static int exynos_iommu_domain_init(struct iommu_domain *domain)
 	spin_lock_init(&priv->pgtablelock);
 	INIT_LIST_HEAD(&priv->clients);
 
+	dom->geometry.aperture_start = 0;
+	dom->geometry.aperture_end   = ~0UL;
+	dom->geometry.force_aperture = true;
+
 	domain->priv = priv;
 	return 0;