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-rw-r--r--include/linux/property.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/property.h b/include/linux/property.h
index 9f2585d705..e6516d0b7d 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -80,6 +80,16 @@ int fwnode_property_match_string(const struct fwnode_handle *fwnode,
bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
+static inline bool fwnode_device_is_big_endian(const struct fwnode_handle *fwnode)
+{
+ if (fwnode_property_present(fwnode, "big-endian"))
+ return true;
+ if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) &&
+ fwnode_property_present(fwnode, "native-endian"))
+ return true;
+ return false;
+}
+
static inline
bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat)
{
@@ -87,6 +97,22 @@ bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char
}
/**
+ * device_is_big_endian - check if a device has BE registers
+ * @dev: Pointer to the struct device
+ *
+ * Returns: true if the device has a "big-endian" property, or if the kernel
+ * was compiled for BE *and* the device has a "native-endian" property.
+ * Returns false otherwise.
+ *
+ * Callers would nominally use ioread32be/iowrite32be if
+ * device_is_big_endian() == true, or readl/writel otherwise.
+ */
+static inline bool device_is_big_endian(const struct device *dev)
+{
+ return fwnode_device_is_big_endian(dev_fwnode(dev));
+}
+
+/**
* device_is_compatible - match 'compatible' property of the device with a given string
* @dev: Pointer to the struct device
* @compat: The string to match 'compatible' property with
@@ -98,6 +124,18 @@ static inline bool device_is_compatible(const struct device *dev, const char *co
return fwnode_device_is_compatible(dev_fwnode(dev), compat);
}
+int fwnode_property_match_property_string(const struct fwnode_handle *fwnode,
+ const char *propname,
+ const char * const *array, size_t n);
+
+static inline
+int device_property_match_property_string(const struct device *dev,
+ const char *propname,
+ const char * const *array, size_t n)
+{
+ return fwnode_property_match_property_string(dev_fwnode(dev), propname, array, n);
+}
+
int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
const char *prop, const char *nargs_prop,
unsigned int nargs, unsigned int index,
@@ -109,6 +147,7 @@ struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode,
const char *fwnode_get_name(const struct fwnode_handle *fwnode);
const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode);
+bool fwnode_name_eq(const struct fwnode_handle *fwnode, const char *name);
struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
@@ -489,6 +528,13 @@ struct software_node {
const struct property_entry *properties;
};
+#define SOFTWARE_NODE(_name_, _properties_, _parent_) \
+ (struct software_node) { \
+ .name = _name_, \
+ .properties = _properties_, \
+ .parent = _parent_, \
+ }
+
bool is_software_node(const struct fwnode_handle *fwnode);
const struct software_node *
to_software_node(const struct fwnode_handle *fwnode);