device property: Introducing enum dev_dma_attr

[firefly-linux-kernel-4.4.55.git] / include / linux / property.h

diff --git a/include/linux/property.h b/include/linux/property.h
index a59c6ee566c2cf908ca7c6ec5512768e90d4a3b0..8eecf200bae5afcab1e3a365798d47a232f59b41 100644 (file)
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -27,6 +27,12 @@ enum dev_prop_type {
        DEV_PROP_MAX,
 };
 
+enum dev_dma_attr {
+       DEV_DMA_NOT_SUPPORTED,
+       DEV_DMA_NON_COHERENT,
+       DEV_DMA_COHERENT,
+};
+
 bool device_property_present(struct device *dev, const char *propname);
 int device_property_read_u8_array(struct device *dev, const char *propname,
                                  u8 *val, size_t nval);
@@ -40,6 +46,8 @@ int device_property_read_string_array(struct device *dev, const char *propname,
                                      const char **val, size_t nval);
 int device_property_read_string(struct device *dev, const char *propname,
                                const char **val);
+int device_property_match_string(struct device *dev,
+                                const char *propname, const char *string);
 
 bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname);
 int fwnode_property_read_u8_array(struct fwnode_handle *fwnode,
@@ -59,6 +67,8 @@ int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
                                      size_t nval);
 int fwnode_property_read_string(struct fwnode_handle *fwnode,
                                const char *propname, const char **val);
+int fwnode_property_match_string(struct fwnode_handle *fwnode,
+                                const char *propname, const char *string);
 
 struct fwnode_handle *device_get_next_child_node(struct device *dev,
                                                 struct fwnode_handle *child);