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i2c: Get rid of i2c_board_info->archdata 

The only user of i2c_board_info->archdata is the OF parsing code and it
just pass a zero-initialized object which has the same effect as leaving
->archdata to NULL since the client object is allocated with kzalloc().

Get rid of this useless field.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Boris Brezillon 2018-03-25 14:49:01 +02:00 committed by Wolfram Sang
parent a80bcb5adc
commit 4fad8868af
3 changed files with 0 additions and 8 deletions
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4
drivers/i2c/i2c-core-base.c
View File

@ -717,10 +717,6 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
client->adapter = adap;
client->dev.platform_data = info->platform_data;
if (info->archdata)
client->dev.archdata = *info->archdata;
client->flags = info->flags;
client->addr = info->addr;

2
drivers/i2c/i2c-core-of.c
View File

@ -27,7 +27,6 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap,
{
struct i2c_client *client;
struct i2c_board_info info = {};
struct dev_archdata dev_ad = {};
u32 addr;
int ret;
@ -56,7 +55,6 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap,
}
info.addr = addr;
info.archdata = &dev_ad;
info.of_node = of_node_get(node);
if (of_property_read_bool(node, "host-notify"))

2
include/linux/i2c.h
View File

@ -394,7 +394,6 @@ static inline bool i2c_detect_slave_mode(struct device *dev) { return false; }
* @addr: stored in i2c_client.addr
* @dev_name: Overrides the default <busnr>-<addr> dev_name if set
* @platform_data: stored in i2c_client.dev.platform_data
* @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
@ -419,7 +418,6 @@ struct i2c_board_info {
unsigned short addr;
const char *dev_name;
void *platform_data;
struct dev_archdata *archdata;
struct device_node *of_node;
struct fwnode_handle *fwnode;
const struct property_entry *properties;