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path: root/drivers/base/property.c
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Diffstat (limited to 'drivers/base/property.c')
-rw-r--r--drivers/base/property.c40
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);