diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 64a56a7a1f9..40cf7b9ea94 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -813,23 +813,26 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, * set_mode. */ static int set_machine_constraints(struct regulator_dev *rdev, - struct regulation_constraints *constraints) + const struct regulation_constraints *constraints) { int ret = 0; const char *name; struct regulator_ops *ops = rdev->desc->ops; - rdev->constraints = constraints; + rdev->constraints = kmemdup(constraints, sizeof(*constraints), + GFP_KERNEL); + if (!rdev->constraints) + return -ENOMEM; name = rdev_get_name(rdev); - ret = machine_constraints_voltage(rdev, constraints); + ret = machine_constraints_voltage(rdev, rdev->constraints); if (ret != 0) goto out; /* do we need to setup our suspend state */ if (constraints->initial_state) { - ret = suspend_prepare(rdev, constraints->initial_state); + ret = suspend_prepare(rdev, rdev->constraints->initial_state); if (ret < 0) { pr_err("failed to set suspend state for %s\n", name); @@ -846,7 +849,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, goto out; } - ret = ops->set_mode(rdev, constraints->initial_mode); + ret = ops->set_mode(rdev, rdev->constraints->initial_mode); if (ret < 0) { pr_err("failed to set initial mode for %s: %d\n", name, ret); @@ -857,7 +860,8 @@ static int set_machine_constraints(struct regulator_dev *rdev, /* If the constraints say the regulator should be on at this point * and we have control then make sure it is enabled. */ - if ((constraints->always_on || constraints->boot_on) && ops->enable) { + if ((rdev->constraints->always_on || rdev->constraints->boot_on) && + ops->enable) { ret = ops->enable(rdev); if (ret < 0) { pr_err("failed to enable %s\n", name); @@ -2289,7 +2293,7 @@ static int add_regulator_attributes(struct regulator_dev *rdev) * Returns 0 on success. */ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, - struct device *dev, struct regulator_init_data *init_data, + struct device *dev, const struct regulator_init_data *init_data, void *driver_data) { static atomic_t regulator_no = ATOMIC_INIT(0); @@ -2444,6 +2448,7 @@ void regulator_unregister(struct regulator_dev *rdev) if (rdev->supply) sysfs_remove_link(&rdev->dev.kobj, "supply"); device_unregister(&rdev->dev); + kfree(rdev->constraints); mutex_unlock(®ulator_list_mutex); } EXPORT_SYMBOL_GPL(regulator_unregister); |