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regulator: add unset_regulator_supplies to fix regulator_unregister

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Currently regulator_unregister does not clear regulator <--> consumer
mapping.
This patch introduces unset_regulator_supplies that clear the map.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mike Rapoport 2009-01-22 16:00:29 +02:00 committed by Liam Girdwood
parent 90ca563b10
commit 0f1d747bfa
1 changed files with 14 additions and 0 deletions
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14
drivers/regulator/core.c
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@ -831,6 +831,19 @@ static void unset_consumer_device_supply(struct regulator_dev *rdev,
} }
} }
static void unset_regulator_supplies(struct regulator_dev *rdev)
{
struct regulator_map *node, *n;
list_for_each_entry_safe(node, n, &regulator_map_list, list) {
if (rdev == node->regulator) {
list_del(&node->list);
kfree(node);
return;
}
}
}
#define REG_STR_SIZE 32 #define REG_STR_SIZE 32
static struct regulator *create_regulator(struct regulator_dev *rdev, static struct regulator *create_regulator(struct regulator_dev *rdev,
@ -1970,6 +1983,7 @@ void regulator_unregister(struct regulator_dev *rdev)
return; return;
mutex_lock(&regulator_list_mutex); mutex_lock(&regulator_list_mutex);
unset_regulator_supplies(rdev);
list_del(&rdev->list); list_del(&rdev->list);
if (rdev->supply) if (rdev->supply)
sysfs_remove_link(&rdev->dev.kobj, "supply"); sysfs_remove_link(&rdev->dev.kobj, "supply");