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Merge remote-tracking branch 'regulator/topic/alias' into regulator-next

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This commit is contained in:
Mark Brown
2013-10-24 11:11:32 +01:00
parent 2a2bec6554 32dadef219
commit 420118d483
55 changed files with 962 additions and 1103 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/driver-model/devres.txt
+1
View File
@@ -283,6 +283,7 @@ REGULATOR
devm_regulator_get()
devm_regulator_put()
devm_regulator_bulk_get()
devm_regulator_register()
CLOCK
devm_clk_get()
arch/arm/mach-s3c64xx/mach-crag6410.c
-12
View File
@@ -310,10 +310,6 @@ static struct regulator_consumer_supply wallvdd_consumers[] = {
REGULATOR_SUPPLY("SPKVDDL", "spi0.1"),
REGULATOR_SUPPLY("SPKVDDR", "spi0.1"),
REGULATOR_SUPPLY("SPKVDDL", "wm5102-codec"),
REGULATOR_SUPPLY("SPKVDDR", "wm5102-codec"),
REGULATOR_SUPPLY("SPKVDDL", "wm5110-codec"),
REGULATOR_SUPPLY("SPKVDDR", "wm5110-codec"),
REGULATOR_SUPPLY("DC1VDD", "0-0034"),
REGULATOR_SUPPLY("DC2VDD", "0-0034"),
@@ -653,14 +649,6 @@ static struct regulator_consumer_supply pvdd_1v8_consumers[] = {
REGULATOR_SUPPLY("DBVDD3", "spi0.1"),
REGULATOR_SUPPLY("LDOVDD", "spi0.1"),
REGULATOR_SUPPLY("CPVDD", "spi0.1"),
REGULATOR_SUPPLY("DBVDD2", "wm5102-codec"),
REGULATOR_SUPPLY("DBVDD3", "wm5102-codec"),
REGULATOR_SUPPLY("CPVDD", "wm5102-codec"),
REGULATOR_SUPPLY("DBVDD2", "wm5110-codec"),
REGULATOR_SUPPLY("DBVDD3", "wm5110-codec"),
REGULATOR_SUPPLY("CPVDD", "wm5110-codec"),
};
static struct regulator_init_data pvdd_1v8 = {
drivers/mfd/arizona-core.c
+29 -3
View File
@@ -569,13 +569,25 @@ static struct mfd_cell early_devs[] = {
{ .name = "arizona-ldo1" },
};
static const char *wm5102_supplies[] = {
"DBVDD2",
"DBVDD3",
"CPVDD",
"SPKVDDL",
"SPKVDDR",
};
static struct mfd_cell wm5102_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "wm5102-codec" },
{
.name = "wm5102-codec",
.parent_supplies = wm5102_supplies,
.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
},
};
static struct mfd_cell wm5110_devs[] = {
@@ -584,7 +596,17 @@ static struct mfd_cell wm5110_devs[] = {
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "wm5110-codec" },
{
.name = "wm5110-codec",
.parent_supplies = wm5102_supplies,
.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
},
};
static const char *wm8997_supplies[] = {
"DBVDD2",
"CPVDD",
"SPKVDD",
};
static struct mfd_cell wm8997_devs[] = {
@@ -593,7 +615,11 @@ static struct mfd_cell wm8997_devs[] = {
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "wm8997-codec" },
{
.name = "wm8997-codec",
.parent_supplies = wm8997_supplies,
.num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
},
};
int arizona_dev_init(struct arizona *arizona)
drivers/mfd/mfd-core.c
+17 -5
View File
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
static struct device_type mfd_dev_type = {
.name = "mfd_device",
@@ -99,6 +100,13 @@ static int mfd_add_device(struct device *parent, int id,
pdev->dev.dma_mask = parent->dma_mask;
pdev->dev.dma_parms = parent->dma_parms;
ret = devm_regulator_bulk_register_supply_alias(
&pdev->dev, cell->parent_supplies,
parent, cell->parent_supplies,
cell->num_parent_supplies);
if (ret < 0)
goto fail_res;
if (parent->of_node && cell->of_compatible) {
for_each_child_of_node(parent->of_node, np) {
if (of_device_is_compatible(np, cell->of_compatible)) {
@@ -112,12 +120,12 @@ static int mfd_add_device(struct device *parent, int id,
ret = platform_device_add_data(pdev,
cell->platform_data, cell->pdata_size);
if (ret)
goto fail_res;
goto fail_alias;
}
ret = mfd_platform_add_cell(pdev, cell);
if (ret)
goto fail_res;
goto fail_alias;
for (r = 0; r < cell->num_resources; r++) {
res[r].name = cell->resources[r].name;
@@ -152,17 +160,17 @@ static int mfd_add_device(struct device *parent, int id,
if (!cell->ignore_resource_conflicts) {
ret = acpi_check_resource_conflict(&res[r]);
if (ret)
goto fail_res;
goto fail_alias;
}
}
ret = platform_device_add_resources(pdev, res, cell->num_resources);
if (ret)
goto fail_res;
goto fail_alias;
ret = platform_device_add(pdev);
if (ret)
goto fail_res;
goto fail_alias;
if (cell->pm_runtime_no_callbacks)
pm_runtime_no_callbacks(&pdev->dev);
@@ -171,6 +179,10 @@ static int mfd_add_device(struct device *parent, int id,
return 0;
fail_alias:
devm_regulator_bulk_unregister_supply_alias(&pdev->dev,
cell->parent_supplies,
cell->num_parent_supplies);
fail_res:
kfree(res);
fail_device:
drivers/regulator/88pm8607.c
+2 -10
View File
@@ -391,7 +391,8 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
else
config.regmap = chip->regmap_companion;
info->regulator = regulator_register(&info->desc, &config);
info->regulator = devm_regulator_register(&pdev->dev, &info->desc,
&config);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
info->desc.name);
@@ -402,14 +403,6 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
return 0;
}
static int pm8607_regulator_remove(struct platform_device *pdev)
{
struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
regulator_unregister(info->regulator);
return 0;
}
static struct platform_device_id pm8607_regulator_driver_ids[] = {
{
.name = "88pm860x-regulator",
@@ -428,7 +421,6 @@ static struct platform_driver pm8607_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = pm8607_regulator_probe,
.remove = pm8607_regulator_remove,
.id_table = pm8607_regulator_driver_ids,
};
drivers/regulator/Makefile
+1 -1
View File
@@ -3,7 +3,7 @@
#
obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o
obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o devres.o
obj-$(CONFIG_OF) += of_regulator.o
obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o
obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
drivers/regulator/aat2870-regulator.c
+1 -10
View File
@@ -176,7 +176,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
config.driver_data = ri;
config.init_data = dev_get_platdata(&pdev->dev);
rdev = regulator_register(&ri->desc, &config);
rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
ri->desc.name);
@@ -187,21 +187,12 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
return 0;
}
static int aat2870_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver aat2870_regulator_driver = {
.driver = {
.name = "aat2870-regulator",
.owner = THIS_MODULE,
},
.probe = aat2870_regulator_probe,
.remove = aat2870_regulator_remove,
};
static int __init aat2870_regulator_init(void)
drivers/regulator/ad5398.c
+3 -16
View File
@@ -219,7 +219,6 @@ static int ad5398_probe(struct i2c_client *client,
struct ad5398_chip_info *chip;
const struct ad5398_current_data_format *df =
(struct ad5398_current_data_format *)id->driver_data;
int ret;
if (!init_data)
return -EINVAL;
@@ -240,33 +239,21 @@ static int ad5398_probe(struct i2c_client *client,
chip->current_offset = df->current_offset;
chip->current_mask = (chip->current_level - 1) << chip->current_offset;
chip->rdev = regulator_register(&ad5398_reg, &config);
chip->rdev = devm_regulator_register(&client->dev, &ad5398_reg,
&config);
if (IS_ERR(chip->rdev)) {
ret = PTR_ERR(chip->rdev);
dev_err(&client->dev, "failed to register %s %s\n",
id->name, ad5398_reg.name);
goto err;
return PTR_ERR(chip->rdev);
}
i2c_set_clientdata(client, chip);
dev_dbg(&client->dev, "%s regulator driver is registered.\n", id->name);
return 0;
err:
return ret;
}
static int ad5398_remove(struct i2c_client *client)
{
struct ad5398_chip_info *chip = i2c_get_clientdata(client);
regulator_unregister(chip->rdev);
return 0;
}
static struct i2c_driver ad5398_driver = {
.probe = ad5398_probe,
.remove = ad5398_remove,
.driver = {
.name = "ad5398",
},
drivers/regulator/anatop-regulator.c
+1 -2
View File
@@ -200,7 +200,7 @@ static int anatop_regulator_probe(struct platform_device *pdev)
config.regmap = sreg->anatop;
/* register regulator */
rdev = regulator_register(rdesc, &config);
rdev = devm_regulator_register(dev, rdesc, &config);
if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n",
rdesc->name);
@@ -223,7 +223,6 @@ static int anatop_regulator_remove(struct platform_device *pdev)
struct anatop_regulator *sreg = rdev_get_drvdata(rdev);
const char *name = sreg->name;
regulator_unregister(rdev);
kfree(name);
return 0;
drivers/regulator/arizona-ldo1.c
+1 -11
View File
@@ -226,7 +226,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
else
config.init_data = &ldo1->init_data;
ldo1->regulator = regulator_register(desc, &config);
ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n",
@@ -239,18 +239,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
return 0;
}
static int arizona_ldo1_remove(struct platform_device *pdev)
{
struct arizona_ldo1 *ldo1 = platform_get_drvdata(pdev);
regulator_unregister(ldo1->regulator);
return 0;
}
static struct platform_driver arizona_ldo1_driver = {
.probe = arizona_ldo1_probe,
.remove = arizona_ldo1_remove,
.driver = {
.name = "arizona-ldo1",
.owner = THIS_MODULE,
drivers/regulator/arizona-micsupp.c
+3 -11
View File
@@ -225,7 +225,9 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
regmap_update_bits(arizona->regmap, ARIZONA_MIC_CHARGE_PUMP_1,
ARIZONA_CPMIC_BYPASS, 0);
micsupp->regulator = regulator_register(&arizona_micsupp, &config);
micsupp->regulator = devm_regulator_register(&pdev->dev,
&arizona_micsupp,
&config);
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);
dev_err(arizona->dev, "Failed to register mic supply: %d\n",
@@ -238,18 +240,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
return 0;
}
static int arizona_micsupp_remove(struct platform_device *pdev)
{
struct arizona_micsupp *micsupp = platform_get_drvdata(pdev);
regulator_unregister(micsupp->regulator);
return 0;
}
static struct platform_driver arizona_micsupp_driver = {
.probe = arizona_micsupp_probe,
.remove = arizona_micsupp_remove,
.driver = {
.name = "arizona-micsupp",
.owner = THIS_MODULE,
drivers/regulator/as3711-regulator.c
+2 -20
View File
@@ -273,33 +273,16 @@ static int as3711_regulator_probe(struct platform_device *pdev)
config.regmap = as3711->regmap;
config.of_node = of_node[id];
rdev = regulator_register(&ri->desc, &config);
rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
ri->desc.name);
ret = PTR_ERR(rdev);
goto eregreg;
return PTR_ERR(rdev);
}
reg->rdev = rdev;
}
platform_set_drvdata(pdev, regs);
return 0;
eregreg:
while (--id >= 0)
regulator_unregister(regs[id].rdev);
return ret;
}
static int as3711_regulator_remove(struct platform_device *pdev)
{
struct as3711_regulator *regs = platform_get_drvdata(pdev);
int id;
for (id = 0; id < AS3711_REGULATOR_NUM; ++id)
regulator_unregister(regs[id].rdev);
return 0;
}
static struct platform_driver as3711_regulator_driver = {
@@ -308,7 +291,6 @@ static struct platform_driver as3711_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = as3711_regulator_probe,
.remove = as3711_regulator_remove,
};
static int __init as3711_regulator_init(void)
drivers/regulator/core.c
+155 -172
View File
@@ -36,6 +36,7 @@
#include <trace/events/regulator.h>
#include "dummy.h"
#include "internal.h"
#define rdev_crit(rdev, fmt, ...) \
pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
@@ -52,6 +53,7 @@ static DEFINE_MUTEX(regulator_list_mutex);
static LIST_HEAD(regulator_list);
static LIST_HEAD(regulator_map_list);
static LIST_HEAD(regulator_ena_gpio_list);
static LIST_HEAD(regulator_supply_alias_list);
static bool has_full_constraints;
static bool board_wants_dummy_regulator;
@@ -83,22 +85,16 @@ struct regulator_enable_gpio {
};
/*
* struct regulator
* struct regulator_supply_alias
*
* One for each consumer device.
* Used to map lookups for a supply onto an alternative device.
*/
struct regulator {
struct device *dev;
struct regulator_supply_alias {
struct list_head list;
unsigned int always_on:1;
unsigned int bypass:1;
int uA_load;
int min_uV;
int max_uV;
char *supply_name;
struct device_attribute dev_attr;
struct regulator_dev *rdev;
struct dentry *debugfs;
struct device *src_dev;
const char *src_supply;
struct device *alias_dev;
const char *alias_supply;
};
static int _regulator_is_enabled(struct regulator_dev *rdev);
@@ -1191,6 +1187,32 @@ static int _regulator_get_enable_time(struct regulator_dev *rdev)
return rdev->desc->ops->enable_time(rdev);
}
static struct regulator_supply_alias *regulator_find_supply_alias(
struct device *dev, const char *supply)
{
struct regulator_supply_alias *map;
list_for_each_entry(map, &regulator_supply_alias_list, list)
if (map->src_dev == dev && strcmp(map->src_supply, supply) == 0)
return map;
return NULL;
}
static void regulator_supply_alias(struct device **dev, const char **supply)
{
struct regulator_supply_alias *map;
map = regulator_find_supply_alias(*dev, *supply);
if (map) {
dev_dbg(*dev, "Mapping supply %s to %s,%s\n",
*supply, map->alias_supply,
dev_name(map->alias_dev));
*dev = map->alias_dev;
*supply = map->alias_supply;
}
}
static struct regulator_dev *regulator_dev_lookup(struct device *dev,
const char *supply,
int *ret)
@@ -1200,6 +1222,8 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
struct regulator_map *map;
const char *devname = NULL;
regulator_supply_alias(&dev, &supply);
/* first do a dt based lookup */
if (dev && dev->of_node) {
node = of_get_regulator(dev, supply);
@@ -1353,40 +1377,6 @@ struct regulator *regulator_get(struct device *dev, const char *id)
}
EXPORT_SYMBOL_GPL(regulator_get);
static void devm_regulator_release(struct device *dev, void *res)
{
regulator_put(*(struct regulator **)res);
}
/**
* devm_regulator_get - Resource managed regulator_get()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get(). Regulators returned from this function are
* automatically regulator_put() on driver detach. See regulator_get() for more
* information.
*/
struct regulator *devm_regulator_get(struct device *dev, const char *id)
{
struct regulator **ptr, *regulator;
ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
regulator = regulator_get(dev, id);
if (!IS_ERR(regulator)) {
*ptr = regulator;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return regulator;
}
EXPORT_SYMBOL_GPL(devm_regulator_get);
/**
* regulator_get_exclusive - obtain exclusive access to a regulator.
* @dev: device for regulator "consumer"
@@ -1443,36 +1433,6 @@ struct regulator *regulator_get_optional(struct device *dev, const char *id)
}
EXPORT_SYMBOL_GPL(regulator_get_optional);
/**
* devm_regulator_get_optional - Resource managed regulator_get_optional()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get_optional(). Regulators returned from this
* function are automatically regulator_put() on driver detach. See
* regulator_get_optional() for more information.
*/
struct regulator *devm_regulator_get_optional(struct device *dev,
const char *id)
{
struct regulator **ptr, *regulator;
ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
regulator = regulator_get_optional(dev, id);
if (!IS_ERR(regulator)) {
*ptr = regulator;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return regulator;
}
EXPORT_SYMBOL_GPL(devm_regulator_get_optional);
/* Locks held by regulator_put() */
static void _regulator_put(struct regulator *regulator)
{
@@ -1498,36 +1458,6 @@ static void _regulator_put(struct regulator *regulator)
module_put(rdev->owner);
}
/**
* devm_regulator_get_exclusive - Resource managed regulator_get_exclusive()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get_exclusive(). Regulators returned from this function
* are automatically regulator_put() on driver detach. See regulator_get() for
* more information.
*/
struct regulator *devm_regulator_get_exclusive(struct device *dev,
const char *id)
{
struct regulator **ptr, *regulator;
ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
regulator = _regulator_get(dev, id, 1);
if (!IS_ERR(regulator)) {
*ptr = regulator;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return regulator;
}
EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive);
/**
* regulator_put - "free" the regulator source
* @regulator: regulator source
@@ -1544,34 +1474,133 @@ void regulator_put(struct regulator *regulator)
}
EXPORT_SYMBOL_GPL(regulator_put);
static int devm_regulator_match(struct device *dev, void *res, void *data)
/**
* regulator_register_supply_alias - Provide device alias for supply lookup
*
* @dev: device that will be given as the regulator "consumer"
* @id: Supply name or regulator ID
* @alias_dev: device that should be used to lookup the supply
* @alias_id: Supply name or regulator ID that should be used to lookup the
* supply
*
* All lookups for id on dev will instead be conducted for alias_id on
* alias_dev.
*/
int regulator_register_supply_alias(struct device *dev, const char *id,
struct device *alias_dev,
const char *alias_id)
{
struct regulator **r = res;
if (!r || !*r) {
WARN_ON(!r || !*r);
return 0;
}
return *r == data;
struct regulator_supply_alias *map;
map = regulator_find_supply_alias(dev, id);
if (map)
return -EEXIST;
map = kzalloc(sizeof(struct regulator_supply_alias), GFP_KERNEL);
if (!map)
return -ENOMEM;
map->src_dev = dev;
map->src_supply = id;
map->alias_dev = alias_dev;
map->alias_supply = alias_id;
list_add(&map->list, &regulator_supply_alias_list);
pr_info("Adding alias for supply %s,%s -> %s,%s\n",
id, dev_name(dev), alias_id, dev_name(alias_dev));
return 0;
}
EXPORT_SYMBOL_GPL(regulator_register_supply_alias);
/**
* devm_regulator_put - Resource managed regulator_put()
* @regulator: regulator to free
* regulator_unregister_supply_alias - Remove device alias
*
* Deallocate a regulator allocated with devm_regulator_get(). Normally
* this function will not need to be called and the resource management
* code will ensure that the resource is freed.
* @dev: device that will be given as the regulator "consumer"
* @id: Supply name or regulator ID
*
* Remove a lookup alias if one exists for id on dev.
*/
void devm_regulator_put(struct regulator *regulator)
void regulator_unregister_supply_alias(struct device *dev, const char *id)
{
int rc;
struct regulator_supply_alias *map;
rc = devres_release(regulator->dev, devm_regulator_release,
devm_regulator_match, regulator);
if (rc != 0)
WARN_ON(rc);
map = regulator_find_supply_alias(dev, id);
if (map) {
list_del(&map->list);
kfree(map);
}
}
EXPORT_SYMBOL_GPL(devm_regulator_put);
EXPORT_SYMBOL_GPL(regulator_unregister_supply_alias);
/**
* regulator_bulk_register_supply_alias - register multiple aliases
*
* @dev: device that will be given as the regulator "consumer"
* @id: List of supply names or regulator IDs
* @alias_dev: device that should be used to lookup the supply
* @alias_id: List of supply names or regulator IDs that should be used to
* lookup the supply
* @num_id: Number of aliases to register
*
* @return 0 on success, an errno on failure.
*
* This helper function allows drivers to register several supply
* aliases in one operation. If any of the aliases cannot be
* registered any aliases that were registered will be removed
* before returning to the caller.
*/
int regulator_bulk_register_supply_alias(struct device *dev, const char **id,
struct device *alias_dev,
const char **alias_id,
int num_id)
{
int i;
int ret;
for (i = 0; i < num_id; ++i) {
ret = regulator_register_supply_alias(dev, id[i], alias_dev,
alias_id[i]);
if (ret < 0)
goto err;
}
return 0;
err:
dev_err(dev,
"Failed to create supply alias %s,%s -> %s,%s\n",
id[i], dev_name(dev), alias_id[i], dev_name(alias_dev));
while (--i >= 0)
regulator_unregister_supply_alias(dev, id[i]);
return ret;
}
EXPORT_SYMBOL_GPL(regulator_bulk_register_supply_alias);
/**
* regulator_bulk_unregister_supply_alias - unregister multiple aliases
*
* @dev: device that will be given as the regulator "consumer"
* @id: List of supply names or regulator IDs
* @num_id: Number of aliases to unregister
*
* This helper function allows drivers to unregister several supply
* aliases in one operation.
*/
void regulator_bulk_unregister_supply_alias(struct device *dev,
const char **id,
int num_id)
{
int i;
for (i = 0; i < num_id; ++i)
regulator_unregister_supply_alias(dev, id[i]);
}
EXPORT_SYMBOL_GPL(regulator_bulk_unregister_supply_alias);
/* Manage enable GPIO list. Same GPIO pin can be shared among regulators */
static int regulator_ena_gpio_request(struct regulator_dev *rdev,
@@ -2912,52 +2941,6 @@ err:
}
EXPORT_SYMBOL_GPL(regulator_bulk_get);
/**
* devm_regulator_bulk_get - managed get multiple regulator consumers
*
* @dev: Device to supply
* @num_consumers: Number of consumers to register
* @consumers: Configuration of consumers; clients are stored here.
*
* @return 0 on success, an errno on failure.
*
* This helper function allows drivers to get several regulator
* consumers in one operation with management, the regulators will
* automatically be freed when the device is unbound. If any of the
* regulators cannot be acquired then any regulators that were
* allocated will be freed before returning to the caller.
*/
int devm_regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers)
{
int i;
int ret;
for (i = 0; i < num_consumers; i++)
consumers[i].consumer = NULL;
for (i = 0; i < num_consumers; i++) {
consumers[i].consumer = devm_regulator_get(dev,
consumers[i].supply);
if (IS_ERR(consumers[i].consumer)) {
ret = PTR_ERR(consumers[i].consumer);
dev_err(dev, "Failed to get supply '%s': %d\n",
consumers[i].supply, ret);
consumers[i].consumer = NULL;
goto err;
}
}
return 0;
err:
for (i = 0; i < num_consumers && consumers[i].consumer; i++)
devm_regulator_put(consumers[i].consumer);
return ret;
}
EXPORT_SYMBOL_GPL(devm_regulator_bulk_get);
static void regulator_bulk_enable_async(void *data, async_cookie_t cookie)
{
struct regulator_bulk_data *bulk = data;
drivers/regulator/da903x.c
+1 -10
View File
@@ -463,7 +463,7 @@ static int da903x_regulator_probe(struct platform_device *pdev)
config.init_data = dev_get_platdata(&pdev->dev);
config.driver_data = ri;
rdev = regulator_register(&ri->desc, &config);
rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);
@@ -474,21 +474,12 @@ static int da903x_regulator_probe(struct platform_device *pdev)
return 0;
}
static int da903x_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver da903x_regulator_driver = {
.driver = {
.name = "da903x-regulator",
.owner = THIS_MODULE,
},
.probe = da903x_regulator_probe,
.remove = da903x_regulator_remove,
};
static int __init da903x_regulator_init(void)
drivers/regulator/da9052-regulator.c
+3 -11
View File
@@ -389,8 +389,9 @@ static int da9052_regulator_probe(struct platform_device *pdev)
#endif
}
regulator->rdev = regulator_register(&regulator->info->reg_desc,
&config);
regulator->rdev = devm_regulator_register(&pdev->dev,
&regulator->info->reg_desc,
&config);
if (IS_ERR(regulator->rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
regulator->info->reg_desc.name);
@@ -402,17 +403,8 @@ static int da9052_regulator_probe(struct platform_device *pdev)
return 0;
}
static int da9052_regulator_remove(struct platform_device *pdev)
{
struct da9052_regulator *regulator = platform_get_drvdata(pdev);
regulator_unregister(regulator->rdev);
return 0;
}
static struct platform_driver da9052_regulator_driver = {
.probe = da9052_regulator_probe,
.remove = da9052_regulator_remove,
.driver = {
.name = "da9052-regulator",
.owner = THIS_MODULE,
drivers/regulator/da9055-regulator.c
+5 -19
View File
@@ -564,13 +564,13 @@ static int da9055_regulator_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
regulator->rdev = regulator_register(&regulator->info->reg_desc,
&config);
regulator->rdev = devm_regulator_register(&pdev->dev,
&regulator->info->reg_desc,
&config);
if (IS_ERR(regulator->rdev)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
regulator->info->reg_desc.name);
ret = PTR_ERR(regulator->rdev);
return ret;
return PTR_ERR(regulator->rdev);
}
/* Only LDO 5 and 6 has got the over current interrupt */
@@ -588,32 +588,18 @@ static int da9055_regulator_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Failed to request Regulator IRQ %d: %d\n",
irq, ret);
goto err_regulator;
return ret;
}
}
}
platform_set_drvdata(pdev, regulator);
return 0;
err_regulator:
regulator_unregister(regulator->rdev);
return ret;
}
static int da9055_regulator_remove(struct platform_device *pdev)
{
struct da9055_regulator *regulator = platform_get_drvdata(pdev);
regulator_unregister(regulator->rdev);
return 0;
}
static struct platform_driver da9055_regulator_driver = {
.probe = da9055_regulator_probe,
.remove = da9055_regulator_remove,
.driver = {
.name = "da9055-regulator",
.owner = THIS_MODULE,
drivers/regulator/devres.c
+415
View File
@@ -0,0 +1,415 @@
/*
* devres.c -- Voltage/Current Regulator framework devres implementation.
*
* Copyright 2013 Linaro Ltd
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/driver.h>
#include <linux/module.h>
#include "internal.h"
enum {
NORMAL_GET,
EXCLUSIVE_GET,
OPTIONAL_GET,
};
static void devm_regulator_release(struct device *dev, void *res)
{
regulator_put(*(struct regulator **)res);
}
static struct regulator *_devm_regulator_get(struct device *dev, const char *id,
int get_type)
{
struct regulator **ptr, *regulator;
ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
switch (get_type) {
case NORMAL_GET:
regulator = regulator_get(dev, id);
break;
case EXCLUSIVE_GET:
regulator = regulator_get_exclusive(dev, id);
break;
case OPTIONAL_GET:
regulator = regulator_get_optional(dev, id);
break;
default:
regulator = ERR_PTR(-EINVAL);
}
if (!IS_ERR(regulator)) {
*ptr = regulator;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return regulator;
}
/**
* devm_regulator_get - Resource managed regulator_get()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get(). Regulators returned from this function are
* automatically regulator_put() on driver detach. See regulator_get() for more
* information.
*/
struct regulator *devm_regulator_get(struct device *dev, const char *id)
{
return _devm_regulator_get(dev, id, NORMAL_GET);
}
EXPORT_SYMBOL_GPL(devm_regulator_get);
/**
* devm_regulator_get_exclusive - Resource managed regulator_get_exclusive()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get_exclusive(). Regulators returned from this function
* are automatically regulator_put() on driver detach. See regulator_get() for
* more information.
*/
struct regulator *devm_regulator_get_exclusive(struct device *dev,
const char *id)
{
return _devm_regulator_get(dev, id, EXCLUSIVE_GET);
}
EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive);
/**
* devm_regulator_get_optional - Resource managed regulator_get_optional()
* @dev: device for regulator "consumer"
* @id: Supply name or regulator ID.
*
* Managed regulator_get_optional(). Regulators returned from this
* function are automatically regulator_put() on driver detach. See
* regulator_get_optional() for more information.
*/
struct regulator *devm_regulator_get_optional(struct device *dev,
const char *id)
{
return _devm_regulator_get(dev, id, OPTIONAL_GET);
}
EXPORT_SYMBOL_GPL(devm_regulator_get_optional);
static int devm_regulator_match(struct device *dev, void *res, void *data)
{
struct regulator **r = res;
if (!r || !*r) {
WARN_ON(!r || !*r);
return 0;
}
return *r == data;
}
/**
* devm_regulator_put - Resource managed regulator_put()
* @regulator: regulator to free
*
* Deallocate a regulator allocated with devm_regulator_get(). Normally
* this function will not need to be called and the resource management
* code will ensure that the resource is freed.
*/
void devm_regulator_put(struct regulator *regulator)
{
int rc;
rc = devres_release(regulator->dev, devm_regulator_release,
devm_regulator_match, regulator);
if (rc != 0)
WARN_ON(rc);
}
EXPORT_SYMBOL_GPL(devm_regulator_put);
/**
* devm_regulator_bulk_get - managed get multiple regulator consumers
*
* @dev: Device to supply
* @num_consumers: Number of consumers to register
* @consumers: Configuration of consumers; clients are stored here.
*
* @return 0 on success, an errno on failure.
*
* This helper function allows drivers to get several regulator
* consumers in one operation with management, the regulators will
* automatically be freed when the device is unbound. If any of the
* regulators cannot be acquired then any regulators that were
* allocated will be freed before returning to the caller.
*/
int devm_regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers)
{
int i;
int ret;
for (i = 0; i < num_consumers; i++)
consumers[i].consumer = NULL;
for (i = 0; i < num_consumers; i++) {
consumers[i].consumer = devm_regulator_get(dev,
consumers[i].supply);
if (IS_ERR(consumers[i].consumer)) {
ret = PTR_ERR(consumers[i].consumer);
dev_err(dev, "Failed to get supply '%s': %d\n",
consumers[i].supply, ret);
consumers[i].consumer = NULL;
goto err;
}
}
return 0;
err:
for (i = 0; i < num_consumers && consumers[i].consumer; i++)
devm_regulator_put(consumers[i].consumer);
return ret;
}
EXPORT_SYMBOL_GPL(devm_regulator_bulk_get);
static void devm_rdev_release(struct device *dev, void *res)
{
regulator_unregister(*(struct regulator_dev **)res);
}
/**
* devm_regulator_register - Resource managed regulator_register()
* @regulator_desc: regulator to register
* @config: runtime configuration for regulator
*
* Called by regulator drivers to register a regulator. Returns a
* valid pointer to struct regulator_dev on success or an ERR_PTR() on
* error. The regulator will automatically be released when the device
* is unbound.
*/
struct regulator_dev *devm_regulator_register(struct device *dev,
const struct regulator_desc *regulator_desc,
const struct regulator_config *config)
{
struct regulator_dev **ptr, *rdev;
ptr = devres_alloc(devm_rdev_release, sizeof(*ptr),
GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
rdev = regulator_register(regulator_desc, config);
if (!IS_ERR(rdev)) {
*ptr = rdev;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return rdev;
}
EXPORT_SYMBOL_GPL(devm_regulator_register);
static int devm_rdev_match(struct device *dev, void *res, void *data)
{
struct regulator_dev **r = res;
if (!r || !*r) {
WARN_ON(!r || !*r);
return 0;
}
return *r == data;
}
/**
* devm_regulator_unregister - Resource managed regulator_unregister()
* @regulator: regulator to free
*
* Unregister a regulator registered with devm_regulator_register().
* Normally this function will not need to be called and the resource
* management code will ensure that the resource is freed.
*/
void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev)
{
int rc;
rc = devres_release(dev, devm_rdev_release, devm_rdev_match, rdev);
if (rc != 0)
WARN_ON(rc);
}
EXPORT_SYMBOL_GPL(devm_regulator_unregister);
struct regulator_supply_alias_match {
struct device *dev;
const char *id;
};
static int devm_regulator_match_supply_alias(struct device *dev, void *res,
void *data)
{
struct regulator_supply_alias_match *match = res;
struct regulator_supply_alias_match *target = data;
return match->dev == target->dev && strcmp(match->id, target->id) == 0;
}
static void devm_regulator_destroy_supply_alias(struct device *dev, void *res)
{
struct regulator_supply_alias_match *match = res;
regulator_unregister_supply_alias(match->dev, match->id);
}
/**
* devm_regulator_register_supply_alias - Resource managed
* regulator_register_supply_alias()
*
* @dev: device that will be given as the regulator "consumer"
* @id: Supply name or regulator ID
* @alias_dev: device that should be used to lookup the supply
* @alias_id: Supply name or regulator ID that should be used to lookup the
* supply
*
* The supply alias will automatically be unregistered when the source
* device is unbound.
*/
int devm_regulator_register_supply_alias(struct device *dev, const char *id,
struct device *alias_dev,
const char *alias_id)
{
struct regulator_supply_alias_match *match;
int ret;
match = devres_alloc(devm_regulator_destroy_supply_alias,
sizeof(struct regulator_supply_alias_match),
GFP_KERNEL);
if (!match)
return -ENOMEM;
match->dev = dev;
match->id = id;
ret = regulator_register_supply_alias(dev, id, alias_dev, alias_id);
if (ret < 0) {
devres_free(match);
return ret;
}
devres_add(dev, match);
return 0;
}
EXPORT_SYMBOL_GPL(devm_regulator_register_supply_alias);
/**
* devm_regulator_unregister_supply_alias - Resource managed
* regulator_unregister_supply_alias()
*
* @dev: device that will be given as the regulator "consumer"
* @id: Supply name or regulator ID
*
* Unregister an alias registered with
* devm_regulator_register_supply_alias(). Normally this function
* will not need to be called and the resource management code
* will ensure that the resource is freed.
*/
void devm_regulator_unregister_supply_alias(struct device *dev, const char *id)
{
struct regulator_supply_alias_match match;
int rc;
match.dev = dev;
match.id = id;
rc = devres_release(dev, devm_regulator_destroy_supply_alias,
devm_regulator_match_supply_alias, &match);
if (rc != 0)
WARN_ON(rc);
}
EXPORT_SYMBOL_GPL(devm_regulator_unregister_supply_alias);
/**
* devm_regulator_bulk_register_supply_alias - Managed register
* multiple aliases
*
* @dev: device that will be given as the regulator "consumer"
* @id: List of supply names or regulator IDs
* @alias_dev: device that should be used to lookup the supply
* @alias_id: List of supply names or regulator IDs that should be used to
* lookup the supply
* @num_id: Number of aliases to register
*
* @return 0 on success, an errno on failure.
*
* This helper function allows drivers to register several supply
* aliases in one operation, the aliases will be automatically
* unregisters when the source device is unbound. If any of the
* aliases cannot be registered any aliases that were registered
* will be removed before returning to the caller.
*/
int devm_regulator_bulk_register_supply_alias(struct device *dev,
const char **id,
struct device *alias_dev,
const char **alias_id,
int num_id)
{
int i;
int ret;
for (i = 0; i < num_id; ++i) {
ret = devm_regulator_register_supply_alias(dev, id[i],
alias_dev,
alias_id[i]);
if (ret < 0)
goto err;
}
return 0;
err:
dev_err(dev,
"Failed to create supply alias %s,%s -> %s,%s\n",
id[i], dev_name(dev), alias_id[i], dev_name(alias_dev));
while (--i >= 0)
devm_regulator_unregister_supply_alias(dev, id[i]);
return ret;
}
EXPORT_SYMBOL_GPL(devm_regulator_bulk_register_supply_alias);
/**
* devm_regulator_bulk_unregister_supply_alias - Managed unregister
* multiple aliases
*
* @dev: device that will be given as the regulator "consumer"
* @id: List of supply names or regulator IDs
* @num_id: Number of aliases to unregister
*
* Unregister aliases registered with
* devm_regulator_bulk_register_supply_alias(). Normally this function
* will not need to be called and the resource management code
* will ensure that the resource is freed.
*/
void devm_regulator_bulk_unregister_supply_alias(struct device *dev,
const char **id,
int num_id)
{
int i;
for (i = 0; i < num_id; ++i)
devm_regulator_unregister_supply_alias(dev, id[i]);
}
EXPORT_SYMBOL_GPL(devm_regulator_bulk_unregister_supply_alias);
drivers/regulator/fan53555.c
+1 -11
View File
@@ -218,9 +218,8 @@ static int fan53555_regulator_register(struct fan53555_device_info *di,
rdesc->vsel_mask = VSEL_NSEL_MASK;
rdesc->owner = THIS_MODULE;
di->rdev = regulator_register(&di->desc, config);
di->rdev = devm_regulator_register(di->dev, &di->desc, config);
return PTR_ERR_OR_ZERO(di->rdev);
}
static struct regmap_config fan53555_regmap_config = {
@@ -291,14 +290,6 @@ static int fan53555_regulator_probe(struct i2c_client *client,
}
static int fan53555_regulator_remove(struct i2c_client *client)
{
struct fan53555_device_info *di = i2c_get_clientdata(client);
regulator_unregister(di->rdev);
return 0;
}
static const struct i2c_device_id fan53555_id[] = {
{"fan53555", -1},
{ },
@@ -309,7 +300,6 @@ static struct i2c_driver fan53555_regulator_driver = {
.name = "fan53555-regulator",
},
.probe = fan53555_regulator_probe,
.remove = fan53555_regulator_remove,
.id_table = fan53555_id,
};
drivers/regulator/internal.h
+38
View File
@@ -0,0 +1,38 @@
/*
* internal.h -- Voltage/Current Regulator framework internal code
*
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
* Copyright 2008 SlimLogic Ltd.
*
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef __REGULATOR_INTERNAL_H
#define __REGULATOR_INTERNAL_H
/*
* struct regulator
*
* One for each consumer device.
*/
struct regulator {
struct device *dev;
struct list_head list;
unsigned int always_on:1;
unsigned int bypass:1;
int uA_load;
int min_uV;
int max_uV;
char *supply_name;
struct device_attribute dev_attr;
struct regulator_dev *rdev;
struct dentry *debugfs;
};
#endif
drivers/regulator/isl6271a-regulator.c
+4 -20
View File
@@ -112,7 +112,7 @@ static int isl6271a_probe(struct i2c_client *i2c,
struct regulator_config config = { };
struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev);
struct isl_pmic *pmic;
int err, i;
int i;
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
@@ -133,32 +133,17 @@ static int isl6271a_probe(struct i2c_client *i2c,
config.init_data = NULL;
config.driver_data = pmic;
pmic->rdev[i] = regulator_register(&isl_rd[i], &config);
pmic->rdev[i] = devm_regulator_register(&i2c->dev, &isl_rd[i],
&config);
if (IS_ERR(pmic->rdev[i])) {
dev_err(&i2c->dev, "failed to register %s\n", id->name);
err = PTR_ERR(pmic->rdev[i]);
goto error;
return PTR_ERR(pmic->rdev[i]);
}
}
i2c_set_clientdata(i2c, pmic);
return 0;
error:
while (--i >= 0)
regulator_unregister(pmic->rdev[i]);
return err;
}
static int isl6271a_remove(struct i2c_client *i2c)
{
struct isl_pmic *pmic = i2c_get_clientdata(i2c);
int i;
for (i = 0; i < 3; i++)
regulator_unregister(pmic->rdev[i]);
return 0;
}
static const struct i2c_device_id isl6271a_id[] = {
@@ -174,7 +159,6 @@ static struct i2c_driver isl6271a_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = isl6271a_probe,
.remove = isl6271a_remove,
.id_table = isl6271a_id,
};

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