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Code Issues Releases Wiki Activity

i2c: Remove support for dangling device properties

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From now on only accepting complete software nodes.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Heikki Krogerus 2021-03-29 13:50:47 +03:00 committed by Wolfram Sang
parent 9d383e9644
commit 4b2b4cc50b
3 changed files with 1 additions and 27 deletions
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11
drivers/i2c/i2c-boardinfo.c
View file

@ -47,7 +47,6 @@ EXPORT_SYMBOL_GPL(__i2c_first_dynamic_bus_num);
*
* The board info passed can safely be __initdata, but be careful of embedded
* pointers (for platform_data, functions, etc) since that won't be copied.
* Device properties are deep-copied though.
*/
int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned len)
{
@ -72,16 +71,6 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig
devinfo->busnum = busnum;
devinfo->board_info = *info;
if (info->properties) {
devinfo->board_info.properties =
property_entries_dup(info->properties);
if (IS_ERR(devinfo->board_info.properties)) {
status = PTR_ERR(devinfo->board_info.properties);
kfree(devinfo);
break;
}
}
if (info->resources) {
devinfo->board_info.resources =
kmemdup(info->resources,

15
drivers/i2c/i2c-core-base.c
View file

@ -909,23 +909,13 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
i2c_dev_set_name(adap, client, info);
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_put_of_node;
}
}
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;
goto out_err_put_of_node;
}
}
@ -940,9 +930,6 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
out_remove_swnode:
device_remove_software_node(&client->dev);
out_free_props:
if (info->properties)
device_remove_properties(&client->dev);
out_err_put_of_node:
of_node_put(info->of_node);
out_err:

2
include/linux/i2c.h
View file

@ -391,7 +391,6 @@ 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: 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
@ -416,7 +415,6 @@ struct i2c_board_info {
void *platform_data;
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;