X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fpower%2Fregulator%2Fregulator-uclass.c;h=4511625ff25133330e4eeab96169c28b7113c671;hb=10d3e90f46feace58f4141b696d91644e594e3ed;hp=426a933d66d688cd6402eb1b0a7b3d70e6cf47b0;hpb=2218b32d88f9b4b4484cea9a8b034ddab0be298b;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c
index 426a933..4511625 100644
--- a/drivers/power/regulator/regulator-uclass.c
+++ b/drivers/power/regulator/regulator-uclass.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2014-2015 Samsung Electronics
  * Przemyslaw Marczak <p.marczak@samsung.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -12,8 +11,6 @@
 #include <power/pmic.h>
 #include <power/regulator.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 int regulator_mode(struct udevice *dev, struct dm_regulator_mode **modep)
 {
 	struct dm_regulator_uclass_platdata *uc_pdata;
@@ -109,10 +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);
 }