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[15/17] iommu/omap: Reset the domain field upon detaching

Message ID 1412111772-38006-16-git-send-email-s-anna@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Suman Anna Sept. 30, 2014, 9:16 p.m. UTC 
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>
---
 drivers/iommu/omap-iommu.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index a140873..3769dc0 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1202,6 +1202,7 @@  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,