2 files changed, 51 insertions, 16 deletions

diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index 8ad4ffea6920..6e6b6a11b3ce 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -80,20 +80,6 @@ void iommu_detach_device(struct iommu_domain *domain, struct device *dev)
 }
 EXPORT_SYMBOL_GPL(iommu_detach_device);
 
-int iommu_map_range(struct iommu_domain *domain, unsigned long iova,
-		    phys_addr_t paddr, size_t size, int prot)
-{
-	return iommu_ops->map(domain, iova, paddr, size, prot);
-}
-EXPORT_SYMBOL_GPL(iommu_map_range);
-
-void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova,
-		      size_t size)
-{
-	iommu_ops->unmap(domain, iova, size);
-}
-EXPORT_SYMBOL_GPL(iommu_unmap_range);
-
 phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
 			       unsigned long iova)
 {
@@ -107,3 +93,32 @@ int iommu_domain_has_cap(struct iommu_domain *domain,
 	return iommu_ops->domain_has_cap(domain, cap);
 }
 EXPORT_SYMBOL_GPL(iommu_domain_has_cap);
+
+int iommu_map(struct iommu_domain *domain, unsigned long iova,
+	      phys_addr_t paddr, int gfp_order, int prot)
+{
+	unsigned long invalid_mask;
+	size_t size;
+
+	size         = 0x1000UL << gfp_order;
+	invalid_mask = size - 1;
+
+	BUG_ON((iova | paddr) & invalid_mask);
+
+	return iommu_ops->map(domain, iova, paddr, gfp_order, prot);
+}
+EXPORT_SYMBOL_GPL(iommu_map);
+
+int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order)
+{
+	unsigned long invalid_mask;
+	size_t size;
+
+	size         = 0x1000UL << gfp_order;
+	invalid_mask = size - 1;
+
+	BUG_ON(iova & invalid_mask);
+
+	return iommu_ops->unmap(domain, iova, gfp_order);
+}
+EXPORT_SYMBOL_GPL(iommu_unmap);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index a6c07797c88e..ada6397c23a5 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -187,7 +187,7 @@ EXPORT_SYMBOL_GPL(platform_device_alloc);
  * released.
  */
 int platform_device_add_resources(struct platform_device *pdev,
-				  struct resource *res, unsigned int num)
+				  const struct resource *res, unsigned int num)
 {
 	struct resource *r;
 
@@ -367,7 +367,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  */
 struct platform_device *platform_device_register_simple(const char *name,
 							int id,
-							struct resource *res,
+							const struct resource *res,
 							unsigned int num)
 {
 	struct platform_device *pdev;
@@ -1254,6 +1254,26 @@ static int __init early_platform_driver_probe_id(char *class_str,
 		}
 
 		if (match) {
+			/*
+			 * Set up a sensible init_name to enable
+			 * dev_name() and others to be used before the
+			 * rest of the driver core is initialized.
+			 */
+			if (!match->dev.init_name && slab_is_available()) {
+				if (match->id != -1)
+					match->dev.init_name =
+						kasprintf(GFP_KERNEL, "%s.%d",
+							  match->name,
+							  match->id);
+				else
+					match->dev.init_name =
+						kasprintf(GFP_KERNEL, "%s",
+							  match->name);
+
+				if (!match->dev.init_name)
+					return -ENOMEM;
+			}
+
 			if (epdrv->pdrv->probe(match))
 				pr_warning("%s: unable to probe %s early.\n",
 					   class_str, match->name);