iommu: Remove wrong default domain comments

These comments are wrong. request_default_domain_for_dev doesn't just
handle direct mapped domains.

Signed-off-by: Tom Murphy <murphyt7@tcd.ie>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b6980938882e0ba83163e55e1b5d5e5c9f2e045a..66cfacaa483d5312c787a5e194b63291bae139ed 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2200,7 +2200,6 @@ request_default_domain_for_dev(struct device *dev, unsigned long type)
 
        mutex_lock(&group->mutex);
 
-       /* Check if the default domain is already direct mapped */
        ret = 0;
        if (group->default_domain && group->default_domain->type == type)
                goto out;
@@ -2210,7 +2209,6 @@ request_default_domain_for_dev(struct device *dev, unsigned long type)
        if (iommu_group_device_count(group) != 1)
                goto out;
 
-       /* Allocate a direct mapped domain */
        ret = -ENOMEM;
        domain = __iommu_domain_alloc(dev->bus, type);
        if (!domain)
@@ -2225,7 +2223,7 @@ request_default_domain_for_dev(struct device *dev, unsigned long type)
 
        iommu_group_create_direct_mappings(group, dev);
 
-       /* Make the direct mapped domain the default for this group */
+       /* Make the domain the default for this group */
        if (group->default_domain)
                iommu_domain_free(group->default_domain);
        group->default_domain = domain;