commit 0f1d747bfa89de4ca52dc1dffdcce35a2b8a1532
author Mike Rapoport <mike@compulab.co.il> Thu Jan 22 16:00:29 2009 +0200
committer Liam Girdwood <lrg@slimlogic.co.uk> Tue Mar 31 09:56:23 2009 +0100
tree bb189d19d01af81a73a6966c257d7038477b0444
parent 90ca563b1030bece8a4f15a910e39a46f059ff48

regulator: add unset_regulator_supplies to fix regulator_unregister

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>

drivers/regulator/core.c

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 0ed13c2..b85e4a9 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -831,6 +831,19 @@
 	}
 }
 
+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
 
 static struct regulator *create_regulator(struct regulator_dev *rdev,
@@ -1970,6 +1983,7 @@
 		return;
 
 	mutex_lock(&regulator_list_mutex);
+	unset_regulator_supplies(rdev);
 	list_del(&rdev->list);
 	if (rdev->supply)
 		sysfs_remove_link(&rdev->dev.kobj, "supply");