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regulator: core: Allow drivers to pass in a regmap

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Since many regulators use regmap for register I/O and since there's quite
a few very common patterns in the code allow drivers to pass in a regmap
to the core for use in generic code.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-04-15 11:16:05 +01:00
parent 9f29c9e30b
commit 65b19ce6c2
2 changed files with 6 additions and 0 deletions
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2
drivers/regulator/core.c
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@ -24,6 +24,7 @@
#include <linux/suspend.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/driver.h>
@ -2877,6 +2878,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
rdev->reg_data = config->driver_data;
rdev->owner = regulator_desc->owner;
rdev->desc = regulator_desc;
rdev->regmap = config->regmap;
INIT_LIST_HEAD(&rdev->consumer_list);
INIT_LIST_HEAD(&rdev->list);
BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);

4
include/linux/regulator/driver.h
View File

@ -19,6 +19,7 @@
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
struct regmap;
struct regulator_dev;
struct regulator_init_data;
@ -187,12 +188,14 @@ struct regulator_desc {
* @driver_data: private regulator data
* @of_node: OpenFirmware node to parse for device tree bindings (may be
* NULL).
* @regmap: regmap to use for core regmap helpers
*/
struct regulator_config {
struct device *dev;
const struct regulator_init_data *init_data;
void *driver_data;
struct device_node *of_node;
struct regmap *regmap;
};
/*
@ -223,6 +226,7 @@ struct regulator_dev {
struct device dev;
struct regulation_constraints *constraints;
struct regulator *supply; /* for tree */
struct regmap *regmap;
struct delayed_work disable_work;
int deferred_disables;