---

yaml --- r: 271587 b: refs/heads/master c: 94441c3 h: refs/heads/master i: 271585: ff9e204 271583: 30817fd v: v3
git-mirror · Oct 21, 2011 · 89a4692 · 89a4692
1 parent 9108795
commit 89a4692
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Showing 3 changed files with 5 additions and 25 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 85eebbc5e4633e6eee10bdddd00d175daadd5841
+refs/heads/master: 94441c3bd99287b9d84f148a08cc9a44675ec749
diff --git a/trunk/drivers/iommu/iommu.c b/trunk/drivers/iommu/iommu.c
@@ -25,16 +25,6 @@
 #include <linux/errno.h>
 #include <linux/iommu.h>
 
-static struct iommu_ops *iommu_ops;
-
-void register_iommu(struct iommu_ops *ops)
-{
-	if (iommu_ops)
-		BUG();
-
-	iommu_ops = ops;
-}
-
 static void iommu_bus_init(struct bus_type *bus, struct iommu_ops *ops)
 {
 }
@@ -68,34 +58,25 @@ EXPORT_SYMBOL_GPL(bus_set_iommu);
 
 bool iommu_present(struct bus_type *bus)
 {
-	if (bus->iommu_ops != NULL)
-		return true;
-	else
-		return iommu_ops != NULL;
+	return bus->iommu_ops != NULL;
 }
 EXPORT_SYMBOL_GPL(iommu_present);
 
 struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
 {
 	struct iommu_domain *domain;
-	struct iommu_ops *ops;
 	int ret;
 
-	if (bus->iommu_ops)
-		ops = bus->iommu_ops;
-	else
-		ops = iommu_ops;
-
-	if (ops == NULL)
+	if (bus == NULL || bus->iommu_ops == NULL)
 		return NULL;
 
 	domain = kmalloc(sizeof(*domain), GFP_KERNEL);
 	if (!domain)
 		return NULL;
 
-	domain->ops = ops;
+	domain->ops = bus->iommu_ops;
 
-	ret = iommu_ops->domain_init(domain);
+	ret = domain->ops->domain_init(domain);
 	if (ret)
 		goto out_free;
 

diff --git a/trunk/include/linux/iommu.h b/trunk/include/linux/iommu.h
@@ -54,7 +54,6 @@ struct iommu_ops {
 			      unsigned long cap);
 };
 
-extern void register_iommu(struct iommu_ops *ops);
 extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops);
 extern bool iommu_present(struct bus_type *bus);
 extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus);