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regulator: core: Constify the regulator_desc passed in when registering

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Drivers should be able to declare their descriptors const and the framework
shouldn't ever be modifying the desciptor. Make the parameter and the
pointer in regulator_dev const to enforce this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-04-03 20:46:53 +01:00
parent dd775ae254
commit 65f26846b9
2 changed files with 5 additions and 3 deletions
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3
drivers/regulator/core.c
View File

@ -2829,7 +2829,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
* Called by regulator drivers to register a regulator.
* Returns 0 on success.
*/
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
struct regulator_dev *
regulator_register(const struct regulator_desc *regulator_desc,
struct device *dev, const struct regulator_init_data *init_data,
void *driver_data, struct device_node *of_node)
{

5
include/linux/regulator/driver.h
View File

@ -184,7 +184,7 @@ struct regulator_desc {
* no other direct access).
*/
struct regulator_dev {
struct regulator_desc *desc;
const struct regulator_desc *desc;
int exclusive;
u32 use_count;
u32 open_count;
@ -210,7 +210,8 @@ struct regulator_dev {
struct dentry *debugfs;
};
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
struct regulator_dev *
regulator_register(const struct regulator_desc *regulator_desc,
struct device *dev, const struct regulator_init_data *init_data,
void *driver_data, struct device_node *of_node);
void regulator_unregister(struct regulator_dev *rdev);