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i2c: Add info->archdata field 

If present the info->archdata is copied into the dev->archdata.
Some (OpenFirmware) platforms need it.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
hifive-unleashed-5.1
Anton Vorontsov 2008-10-22 20:21:33 +02:00 committed by Jean Delvare
parent 02cf617282
commit 11f1f2afd6
2 changed files with 5 additions and 0 deletions
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3
drivers/i2c/i2c-core.c
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@ -266,6 +266,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
client->dev.platform_data = info->platform_data;
if (info->archdata)
client->dev.archdata = *info->archdata;
client->flags = info->flags;
client->addr = info->addr;
client->irq = info->irq;

2
include/linux/i2c.h
View File

@ -239,6 +239,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
* @flags: to initialize i2c_client.flags
* @addr: stored in i2c_client.addr
* @platform_data: stored in i2c_client.dev.platform_data
* @archdata: copied into i2c_client.dev.archdata
* @irq: stored in i2c_client.irq
*
* I2C doesn't actually support hardware probing, although controllers and
@ -258,6 +259,7 @@ struct i2c_board_info {
unsigned short flags;
unsigned short addr;
void *platform_data;
struct dev_archdata *archdata;
int irq;
};