device property: Add iomap to fwnode operations

Add iomap() fwnode operation to implement fwnode_iomap() through fwnode
operations, moving the code in fwnode_iomap() to OF framework.

Note that the IS_ENABLED(CONFIG_OF_ADDRESS) && is_of_node(fwnode) check is
needed for Sparc that has its own implementation of of_iomap anyway. Let
the pre-compiler to handle that check.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 09686e2..83dd22e 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -887,10 +887,7 @@ EXPORT_SYMBOL_GPL(device_get_phy_mode);
  */
 void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index)
 {
-       if (IS_ENABLED(CONFIG_OF_ADDRESS) && is_of_node(fwnode))
-               return of_iomap(to_of_node(fwnode), index);
-
-       return NULL;
+       return fwnode_call_ptr_op(fwnode, iomap, index);
 }
 EXPORT_SYMBOL(fwnode_iomap);
 

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 6768995..ac2aa52 100644 (file)
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1465,6 +1465,15 @@ static int of_link_property(struct device_node *con_np, const char *prop_name)
        return 0;
 }
 
+static void __iomem *of_fwnode_iomap(struct fwnode_handle *fwnode, int index)
+{
+#ifdef CONFIG_OF_ADDRESS
+       return of_iomap(to_of_node(fwnode), index);
+#else
+       return NULL;
+#endif
+}
+
 static int of_fwnode_add_links(struct fwnode_handle *fwnode)
 {
        struct property *p;
@@ -1502,6 +1511,7 @@ const struct fwnode_operations of_fwnode_ops = {
        .graph_get_remote_endpoint = of_fwnode_graph_get_remote_endpoint,
        .graph_get_port_parent = of_fwnode_graph_get_port_parent,
        .graph_parse_endpoint = of_fwnode_graph_parse_endpoint,
+       .iomap = of_fwnode_iomap,
        .add_links = of_fwnode_add_links,
 };
 EXPORT_SYMBOL_GPL(of_fwnode_ops);

diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 6f307f2..ebbc3bf 100644 (file)
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -148,6 +148,7 @@ struct fwnode_operations {
        (*graph_get_port_parent)(struct fwnode_handle *fwnode);
        int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode,
                                    struct fwnode_endpoint *endpoint);
+       void __iomem *(*iomap)(struct fwnode_handle *fwnode, int index);
        int (*add_links)(struct fwnode_handle *fwnode);
 };