Linux-libre 4.2-gnu

1 files changed, 27 insertions, 13 deletions

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 1d0b116ca..f3f6d167f 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -14,6 +14,7 @@
 #include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 #include <linux/property.h>
 
 /**
@@ -128,9 +129,9 @@ EXPORT_SYMBOL_GPL(device_property_present);
 bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname)
 {
 	if (is_of_node(fwnode))
-		return of_property_read_bool(of_node(fwnode), propname);
+		return of_property_read_bool(to_of_node(fwnode), propname);
 	else if (is_acpi_node(fwnode))
-		return !acpi_dev_prop_get(acpi_node(fwnode), propname, NULL);
+		return !acpi_dev_prop_get(to_acpi_node(fwnode), propname, NULL);
 
 	return !!pset_prop_get(to_pset(fwnode), propname);
 }
@@ -285,10 +286,10 @@ EXPORT_SYMBOL_GPL(device_property_read_string);
 ({ \
 	int _ret_; \
 	if (is_of_node(_fwnode_)) \
-		_ret_ = OF_DEV_PROP_READ_ARRAY(of_node(_fwnode_), _propname_, \
+		_ret_ = OF_DEV_PROP_READ_ARRAY(to_of_node(_fwnode_), _propname_, \
 					       _type_, _val_, _nval_); \
 	else if (is_acpi_node(_fwnode_)) \
-		_ret_ = acpi_dev_prop_read(acpi_node(_fwnode_), _propname_, \
+		_ret_ = acpi_dev_prop_read(to_acpi_node(_fwnode_), _propname_, \
 					   _proptype_, _val_, _nval_); \
 	else \
 		_ret_ = pset_prop_read_array(to_pset(_fwnode_), _propname_, \
@@ -424,11 +425,11 @@ int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
 {
 	if (is_of_node(fwnode))
 		return val ?
-			of_property_read_string_array(of_node(fwnode), propname,
-						      val, nval) :
-			of_property_count_strings(of_node(fwnode), propname);
+			of_property_read_string_array(to_of_node(fwnode),
+						      propname, val, nval) :
+			of_property_count_strings(to_of_node(fwnode), propname);
 	else if (is_acpi_node(fwnode))
-		return acpi_dev_prop_read(acpi_node(fwnode), propname,
+		return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
 					  DEV_PROP_STRING, val, nval);
 
 	return pset_prop_read_array(to_pset(fwnode), propname,
@@ -455,9 +456,9 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode,
 				const char *propname, const char **val)
 {
 	if (is_of_node(fwnode))
-		return of_property_read_string(of_node(fwnode), propname, val);
+		return of_property_read_string(to_of_node(fwnode), propname, val);
 	else if (is_acpi_node(fwnode))
-		return acpi_dev_prop_read(acpi_node(fwnode), propname,
+		return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
 					  DEV_PROP_STRING, val, 1);
 
 	return -ENXIO;
@@ -475,13 +476,13 @@ struct fwnode_handle *device_get_next_child_node(struct device *dev,
 	if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
 		struct device_node *node;
 
-		node = of_get_next_available_child(dev->of_node, of_node(child));
+		node = of_get_next_available_child(dev->of_node, to_of_node(child));
 		if (node)
 			return &node->fwnode;
 	} else if (IS_ENABLED(CONFIG_ACPI)) {
 		struct acpi_device *node;
 
-		node = acpi_get_next_child(dev, acpi_node(child));
+		node = acpi_get_next_child(dev, to_acpi_node(child));
 		if (node)
 			return acpi_fwnode_handle(node);
 	}
@@ -500,7 +501,7 @@ EXPORT_SYMBOL_GPL(device_get_next_child_node);
 void fwnode_handle_put(struct fwnode_handle *fwnode)
 {
 	if (is_of_node(fwnode))
-		of_node_put(of_node(fwnode));
+		of_node_put(to_of_node(fwnode));
 }
 EXPORT_SYMBOL_GPL(fwnode_handle_put);
 
@@ -519,3 +520,16 @@ unsigned int device_get_child_node_count(struct device *dev)
 	return count;
 }
 EXPORT_SYMBOL_GPL(device_get_child_node_count);
+
+bool device_dma_is_coherent(struct device *dev)
+{
+	bool coherent = false;
+
+	if (IS_ENABLED(CONFIG_OF) && dev->of_node)
+		coherent = of_dma_is_coherent(dev->of_node);
+	else
+		acpi_check_dma(ACPI_COMPANION(dev), &coherent);
+
+	return coherent;
+}
+EXPORT_SYMBOL_GPL(device_dma_is_coherent);