diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-11-15 13:45:31 +0100 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-12-05 06:06:44 -0700 |
| commit | 4f86a724e82c0b74d9ffb7b65f8ae4b011dd0b03 (patch) | |
| tree | addbdb07007e58578bc2438884faaabfd4672fe9 /drivers/power | |
| parent | 7959882049a9b389c131eff9a128437ee8ebe08e (diff) | |
power: regulator: denied disable on always-on regulator
Don't disable regulator which are tagged as "regulator-always-on" in DT.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jack Mitchell <jack@embed.me.uk>
Tested-by: Jack Mitchell <jack@embed.me.uk>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Richard Röjfors <richard@puffinpack.se>
Tested-by: Richard Röjfors <richard@puffinpack.se>
Reviewed-by: Felix Brack <fb@ltec.ch>
Tested-by: Felix Brack <fb@ltec.ch>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/regulator/regulator-uclass.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index 4da8e43259..4511625ff2 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -106,10 +106,15 @@ int regulator_get_enable(struct udevice *dev) int regulator_set_enable(struct udevice *dev, bool enable) { const struct dm_regulator_ops *ops = dev_get_driver_ops(dev); + struct dm_regulator_uclass_platdata *uc_pdata; if (!ops || !ops->set_enable) return -ENOSYS; + uc_pdata = dev_get_uclass_platdata(dev); + if (!enable && uc_pdata->always_on) + return -EACCES; + return ops->set_enable(dev, enable); } |