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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2019-05-31 17:15:36 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-06-03 11:55:38 +0300
commitb06184acf751fa52a3763e4fadfd2807e9703acd (patch)
treefebf98d6e8ccf8af0899ee6f50d9e02ec13fdc57 /include/linux/property.h
parentc959d0c231f7063b14d766cfecc1fe90c2ab5061 (diff)
downloadlinux-b06184acf751fa52a3763e4fadfd2807e9703acd.tar.xz
software node: Add software_node_get_reference_args()
This makes it possible to support drivers that use fwnode_property_get_reference_args() function. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/property.h')
-rw-r--r--include/linux/property.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/property.h b/include/linux/property.h
index a3813ded52ea..abcde2f236a0 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -332,16 +332,44 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
/* -------------------------------------------------------------------------- */
/* Software fwnode support - when HW description is incomplete or missing */
+struct software_node;
+
+/**
+ * struct software_node_ref_args - Reference with additional arguments
+ * @node: Reference to a software node
+ * @nargs: Number of elements in @args array
+ * @args: Integer arguments
+ */
+struct software_node_ref_args {
+ const struct software_node *node;
+ unsigned int nargs;
+ u64 args[NR_FWNODE_REFERENCE_ARGS];
+};
+
+/**
+ * struct software_node_reference - Named software node reference property
+ * @name: Name of the property
+ * @nrefs: Number of elements in @refs array
+ * @refs: Array of references with optional arguments
+ */
+struct software_node_reference {
+ const char *name;
+ unsigned int nrefs;
+ const struct software_node_ref_args *refs;
+};
+
/**
* struct software_node - Software node description
* @name: Name of the software node
* @parent: Parent of the software node
* @properties: Array of device properties
+ * @references: Array of software node reference properties
*/
struct software_node {
const char *name;
const struct software_node *parent;
const struct property_entry *properties;
+ const struct software_node_reference *references;
};
bool is_software_node(const struct fwnode_handle *fwnode);