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OpenCloudOS-Kernel
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power: convert to idr_alloc() 

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2013-02-27 17:04:37 -08:00 committed by Linus Torvalds
parent 2fa532c5d5
commit 05e2cefab4
3 changed files with 8 additions and 21 deletions
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11
drivers/power/bq2415x_charger.c
View File

@ -1515,16 +1515,11 @@ static int bq2415x_probe(struct i2c_client *client,
}
/* Get new ID for the new device */
ret = idr_pre_get(&bq2415x_id, GFP_KERNEL);
if (ret == 0)
return -ENOMEM;
mutex_lock(&bq2415x_id_mutex);
ret = idr_get_new(&bq2415x_id, client, &num);
num = idr_alloc(&bq2415x_id, client, 0, 0, GFP_KERNEL);
mutex_unlock(&bq2415x_id_mutex);
if (ret < 0)
return ret;
if (num < 0)
return num;
name = kasprintf(GFP_KERNEL, "%s-%d", id->name, num);
if (!name) {

9
drivers/power/bq27x00_battery.c
View File

@ -791,14 +791,11 @@ static int bq27x00_battery_probe(struct i2c_client *client,
int retval = 0;
/* Get new ID for the new battery device */
retval = idr_pre_get(&battery_id, GFP_KERNEL);
if (retval == 0)
return -ENOMEM;
mutex_lock(&battery_mutex);
retval = idr_get_new(&battery_id, client, &num);
num = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL);
mutex_unlock(&battery_mutex);
if (retval < 0)
return retval;
if (num < 0)
return num;
name = kasprintf(GFP_KERNEL, "%s-%d", id->name, num);
if (!name) {

9
drivers/power/ds2782_battery.c
View File

@ -395,17 +395,12 @@ static int ds278x_battery_probe(struct i2c_client *client,
}
/* Get an ID for this battery */
ret = idr_pre_get(&battery_id, GFP_KERNEL);
if (ret == 0) {
ret = -ENOMEM;
goto fail_id;
}
mutex_lock(&battery_lock);
ret = idr_get_new(&battery_id, client, &num);
ret = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL);
mutex_unlock(&battery_lock);
if (ret < 0)
goto fail_id;
num = ret;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {