This makes it possible for the drivers to assign complete
software fwnodes to the devices instead of only the device
properties in those nodes.

Signed-off-by: Heikki Krogerus <heikki.kroge...@linux.intel.com>
---
 drivers/i2c/i2c-core-base.c | 15 ++++++++++++++-
 include/linux/i2c.h         |  4 +++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index f21362355973e..a6a68081f54e1 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -920,15 +920,27 @@ i2c_new_client_device(struct i2c_adapter *adap, struct 
i2c_board_info const *inf
                }
        }
 
+       if (info->swnode) {
+               status = device_add_software_node(&client->dev, info->swnode);
+               if (status) {
+                       dev_err(&adap->dev,
+                               "Failed to add software node to client %s: 
%d\n",
+                               client->name, status);
+                       goto out_free_props;
+               }
+       }
+
        status = device_register(&client->dev);
        if (status)
-               goto out_free_props;
+               goto out_remove_swnode;
 
        dev_dbg(&adap->dev, "client [%s] registered with bus id %s\n",
                client->name, dev_name(&client->dev));
 
        return client;
 
+out_remove_swnode:
+       device_remove_software_node(&client->dev);
 out_free_props:
        if (info->properties)
                device_remove_properties(&client->dev);
@@ -961,6 +973,7 @@ void i2c_unregister_device(struct i2c_client *client)
 
        if (ACPI_COMPANION(&client->dev))
                acpi_device_clear_enumerated(ACPI_COMPANION(&client->dev));
+       device_remove_software_node(&client->dev);
        device_unregister(&client->dev);
 }
 EXPORT_SYMBOL_GPL(i2c_unregister_device);
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 56622658b2158..cb1f882a3e88e 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -391,7 +391,8 @@ static inline bool i2c_detect_slave_mode(struct device 
*dev) { return false; }
  * @platform_data: stored in i2c_client.dev.platform_data
  * @of_node: pointer to OpenFirmware device node
  * @fwnode: device node supplied by the platform firmware
- * @properties: additional device properties for the device
+ * @properties: Deprecated - use swnode instead
+ * @swnode: software node for the device
  * @resources: resources associated with the device
  * @num_resources: number of resources in the @resources array
  * @irq: stored in i2c_client.irq
@@ -416,6 +417,7 @@ struct i2c_board_info {
        struct device_node *of_node;
        struct fwnode_handle *fwnode;
        const struct property_entry *properties;
+       const struct software_node *swnode;
        const struct resource *resources;
        unsigned int    num_resources;
        int             irq;
-- 
2.30.2

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