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authorXie Xiaobo <xiaobo.xie@nxp.com>2017-12-12 08:12:33 (GMT)
committerXie Xiaobo <xiaobo.xie@nxp.com>2017-12-12 08:12:33 (GMT)
commitc0246a9ec4d461ef4dd7647f94005380bb9e7f0b (patch)
tree7588601aa6ce98f5e9fd083a1b351d9023c0b295 /drivers/regulator/core.c
parent50fd1a6d79d48a7c35890aecce5a5d6b872a461d (diff)
parent56f4a560c6d6318b5a8e18a1b3e44909a5158d1e (diff)
downloadlinux-c0246a9ec4d461ef4dd7647f94005380bb9e7f0b.tar.xz
Merge Linaro linux 4.9.62 into linux-4.9
Signed-off-by: Xiaobo Xie <xiaobo.xie@nxp.com>
Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r--drivers/regulator/core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 9faccfc..9403245 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -4507,6 +4507,16 @@ static int __init regulator_init_complete(void)
if (of_have_populated_dt())
has_full_constraints = true;
+ /*
+ * Regulators may had failed to resolve their input supplies
+ * when were registered, either because the input supply was
+ * not registered yet or because its parent device was not
+ * bound yet. So attempt to resolve the input supplies for
+ * pending regulators before trying to disable unused ones.
+ */
+ class_for_each_device(&regulator_class, NULL, NULL,
+ regulator_register_resolve_supply);
+
/* If we have a full configuration then disable any regulators
* we have permission to change the status for and which are
* not in use or always_on. This is effectively the default