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iommu/omap: Reset the domain field upon detaching

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The .domain field in omap_iommu struct is set properly when the
OMAP IOMMU device is attached to, but is never reset properly
on detach. Reset this properly so that the OMAP IOMMU debugfs
logic can depend on this field before allowing the debugfs
operations.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Suman Anna 2014-10-22 17:22:33 -05:00 committed by Joerg Roedel
parent 4899a5636d
commit f24d9ad3fa
1 changed files with 1 additions and 0 deletions
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drivers/iommu/omap-iommu.c
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@ -1206,6 +1206,7 @@ static void _omap_iommu_detach_dev(struct omap_iommu_domain *omap_domain,
omap_domain->iommu_dev = arch_data->iommu_dev = NULL;
omap_domain->dev = NULL;
oiommu->domain = NULL;
}
static void omap_iommu_detach_dev(struct iommu_domain *domain,