We used to maintain our own per-adapter list of i2c clients, but this
is redundant with what the driver core does, and no longer needed.
Just drop the redundant list.
Signed-off-by: Jean Delvare <kh...@linux-fr.org>
Cc: David Brownell <dbrown...@users.sourceforge.net>
---
drivers/i2c/i2c-core.c | 12 ------------
include/linux/i2c.h | 4 ----
2 files changed, 16 deletions(-)
--- linux-2.6.30-rc4.orig/drivers/i2c/i2c-core.c 2009-04-30
14:33:14.000000000 +0200
+++ linux-2.6.30-rc4/drivers/i2c/i2c-core.c 2009-04-30 15:35:30.000000000
+0200
@@ -281,10 +281,6 @@ i2c_new_device(struct i2c_adapter *adap,
if (status)
goto out_err;
- mutex_lock(&adap->clist_lock);
- list_add_tail(&client->list, &adap->clients);
- mutex_unlock(&adap->clist_lock);
-
dev_dbg(&adap->dev, "client [%s] registered with bus id %s\n",
client->name, dev_name(&client->dev));
@@ -306,12 +302,6 @@ EXPORT_SYMBOL_GPL(i2c_new_device);
*/
void i2c_unregister_device(struct i2c_client *client)
{
- struct i2c_adapter *adapter = client->adapter;
-
- mutex_lock(&adapter->clist_lock);
- list_del(&client->list);
- mutex_unlock(&adapter->clist_lock);
-
device_unregister(&client->dev);
}
EXPORT_SYMBOL_GPL(i2c_unregister_device);
@@ -437,8 +427,6 @@ static int i2c_register_adapter(struct i
return -EAGAIN;
mutex_init(&adap->bus_lock);
- mutex_init(&adap->clist_lock);
- INIT_LIST_HEAD(&adap->clients);
mutex_lock(&core_lock);
--- linux-2.6.30-rc4.orig/include/linux/i2c.h 2009-04-30 14:34:30.000000000
+0200
+++ linux-2.6.30-rc4/include/linux/i2c.h 2009-04-30 15:34:44.000000000
+0200
@@ -178,7 +178,6 @@ struct i2c_driver {
* @driver: device's driver, hence pointer to access routines
* @dev: Driver model device node for the slave.
* @irq: indicates the IRQ generated by this device (if any)
- * @list: list of active/busy clients (DEPRECATED)
* @detected: member of an i2c_driver.clients list
*
* An i2c_client identifies a single device (i.e. chip) connected to an
@@ -195,7 +194,6 @@ struct i2c_client {
struct i2c_driver *driver; /* and our access routines */
struct device dev; /* the device structure */
int irq; /* irq issued by device */
- struct list_head list; /* DEPRECATED */
struct list_head detected;
};
#define to_i2c_client(d) container_of(d, struct i2c_client, dev)
@@ -339,14 +337,12 @@ struct i2c_adapter {
/* data fields that are valid for all devices */
u8 level; /* nesting level for lockdep */
struct mutex bus_lock;
- struct mutex clist_lock;
int timeout; /* in jiffies */
int retries;
struct device dev; /* the adapter device */
int nr;
- struct list_head clients; /* DEPRECATED */
char name[48];
struct completion dev_released;
};
--
Jean Delvare
--
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