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i2c: Mark i2c_adapter.id as deprecated

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It's about time to make it clear that i2c_adapter.id is deprecated.
Hopefully this will remind the last user to move over to a different
strategy.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Jean Delvare 2010-11-15 22:40:38 +01:00 committed by Jean Delvare
parent f3dc65dafa
commit e1e18ee1cb
3 changed files with 11 additions and 2 deletions
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10
Documentation/feature-removal-schedule.txt
View File

@ -554,3 +554,13 @@ Why: This is a legacy interface which have been replaced by a more
Who: NeilBrown <neilb@suse.de>
----------------------------
What: i2c_adapter.id
When: June 2011
Why: This field is deprecated. I2C device drivers shouldn't change their
behavior based on the underlying I2C adapter. Instead, the I2C
adapter driver should instantiate the I2C devices and provide the
needed platform-specific information.
Who: Jean Delvare <khali@linux-fr.org>
----------------------------

1
drivers/i2c/i2c-mux.c
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@ -120,7 +120,6 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
snprintf(priv->adap.name, sizeof(priv->adap.name),
"i2c-%d-mux (chan_id %d)", i2c_adapter_id(parent), chan_id);
priv->adap.owner = THIS_MODULE;
priv->adap.id = parent->id;
priv->adap.algo = &priv->algo;
priv->adap.algo_data = priv;
priv->adap.dev.parent = &parent->dev;

2
include/linux/i2c.h
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@ -353,7 +353,7 @@ struct i2c_algorithm {
*/
struct i2c_adapter {
struct module *owner;
unsigned int id;
unsigned int id __deprecated;
unsigned int class; /* classes to allow probing for */
const struct i2c_algorithm *algo; /* the algorithm to access the bus */
void *algo_data;