diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-02-02 17:41:28 -0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-02-08 13:34:41 +0100 |
| commit | d3e1b617ae20c459627f501b4bc55b1ea91f662b (patch) | |
| tree | 67d2a5e6dfa455d3f7d4d99451d8963f0cc30466 | |
| parent | 2d479e1fa2d09c5a9518a75a5d21ef2713117946 (diff) | |
i2c: allow specify device properties in i2c_board_info
With many drivers converting to using generic device properties, it is
useful to provide array of device properties when instantiating new i2c
client via i2c_board_info and have them automatically added to the device
in question.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/i2c/i2c-core.c | 16 | ||||
| -rw-r--r-- | include/linux/i2c.h | 3 |
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 583e95042a21..f72292156faf 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1335,15 +1335,29 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->dev.fwnode = info->fwnode; i2c_dev_set_name(adap, client); + + if (info->properties) { + status = device_add_properties(&client->dev, info->properties); + if (status) { + dev_err(&adap->dev, + "Failed to add properties to client %s: %d\n", + client->name, status); + goto out_err; + } + } + status = device_register(&client->dev); if (status) - goto out_err; + goto out_free_props; dev_dbg(&adap->dev, "client [%s] registered with bus id %s\n", client->name, dev_name(&client->dev)); return client; +out_free_props: + if (info->properties) + device_remove_properties(&client->dev); out_err: dev_err(&adap->dev, "Failed to register i2c client %s at 0x%02x (%d)\n", diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 4b45ec46161f..7b23a3316dcb 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -51,6 +51,7 @@ enum i2c_slave_event; typedef int (*i2c_slave_cb_t)(struct i2c_client *, enum i2c_slave_event, u8 *); struct module; +struct property_entry; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* @@ -299,6 +300,7 @@ static inline int i2c_slave_event(struct i2c_client *client, * @archdata: copied into i2c_client.dev.archdata * @of_node: pointer to OpenFirmware device node * @fwnode: device node supplied by the platform firmware + * @properties: additional device properties for the device * @irq: stored in i2c_client.irq * * I2C doesn't actually support hardware probing, although controllers and @@ -320,6 +322,7 @@ struct i2c_board_info { struct dev_archdata *archdata; struct device_node *of_node; struct fwnode_handle *fwnode; + const struct property_entry *properties; int irq; }; |