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.krogerus@xxxxxxxxxxxxxxx>
---
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
