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-rw-r--r--drivers/regulator/Kconfig1
-rw-r--r--drivers/regulator/core.c3
-rw-r--r--drivers/regulator/fixed.c5
-rw-r--r--drivers/regulator/max8649.c155
-rw-r--r--drivers/regulator/tps65023-regulator.c87
-rw-r--r--drivers/regulator/tps65910-regulator.c37
6 files changed, 104 insertions, 184 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 9713b1b860cb..4e919b2ac7ee 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -93,6 +93,7 @@ config REGULATOR_MAX1586
config REGULATOR_MAX8649
tristate "Maxim 8649 voltage regulator"
depends on I2C
+ select REGMAP_I2C
help
This driver controls a Maxim 8649 voltage output regulator via
I2C bus.
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d02160221..679f92ec9a45 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2503,7 +2503,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
int status = 0;
/* some attributes need specific methods to be displayed */
- if (ops->get_voltage || ops->get_voltage_sel) {
+ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) ||
+ (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0)) {
status = device_create_file(dev, &dev_attr_microvolts);
if (status < 0)
return status;
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 21ecf212a522..ccbead06c8f3 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -80,7 +80,10 @@ static int fixed_voltage_get_voltage(struct regulator_dev *dev)
{
struct fixed_voltage_data *data = rdev_get_drvdata(dev);
- return data->microvolts;
+ if (data->microvolts)
+ return data->microvolts;
+ else
+ return -EINVAL;
}
static int fixed_voltage_list_voltage(struct regulator_dev *dev,
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 1062cf9f02dc..c54d0ad18c73 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -16,6 +16,7 @@
#include <linux/regulator/driver.h>
#include <linux/slab.h>
#include <linux/regulator/max8649.h>
+#include <linux/regmap.h>
#define MAX8649_DCDC_VMIN 750000 /* uV */
#define MAX8649_DCDC_VMAX 1380000 /* uV */
@@ -49,9 +50,8 @@
struct max8649_regulator_info {
struct regulator_dev *regulator;
- struct i2c_client *i2c;
struct device *dev;
- struct mutex io_lock;
+ struct regmap *regmap;
int vol_reg;
unsigned mode:2; /* bit[1:0] = VID1, VID0 */
@@ -63,71 +63,6 @@ struct max8649_regulator_info {
/* I2C operations */
-static inline int max8649_read_device(struct i2c_client *i2c,
- int reg, int bytes, void *dest)
-{
- unsigned char data;
- int ret;
-
- data = (unsigned char)reg;
- ret = i2c_master_send(i2c, &data, 1);
- if (ret < 0)
- return ret;
- ret = i2c_master_recv(i2c, dest, bytes);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-static inline int max8649_write_device(struct i2c_client *i2c,
- int reg, int bytes, void *src)
-{
- unsigned char buf[bytes + 1];
- int ret;
-
- buf[0] = (unsigned char)reg;
- memcpy(&buf[1], src, bytes);
-
- ret = i2c_master_send(i2c, buf, bytes + 1);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-static int max8649_reg_read(struct i2c_client *i2c, int reg)
-{
- struct max8649_regulator_info *info = i2c_get_clientdata(i2c);
- unsigned char data;
- int ret;
-
- mutex_lock(&info->io_lock);
- ret = max8649_read_device(i2c, reg, 1, &data);
- mutex_unlock(&info->io_lock);
-
- if (ret < 0)
- return ret;
- return (int)data;
-}
-
-static int max8649_set_bits(struct i2c_client *i2c, int reg,
- unsigned char mask, unsigned char data)
-{
- struct max8649_regulator_info *info = i2c_get_clientdata(i2c);
- unsigned char value;
- int ret;
-
- mutex_lock(&info->io_lock);
- ret = max8649_read_device(i2c, reg, 1, &value);
- if (ret < 0)
- goto out;
- value &= ~mask;
- value |= data;
- ret = max8649_write_device(i2c, reg, 1, &value);
-out:
- mutex_unlock(&info->io_lock);
- return ret;
-}
-
static inline int check_range(int min_uV, int max_uV)
{
if ((min_uV < MAX8649_DCDC_VMIN) || (max_uV > MAX8649_DCDC_VMAX)
@@ -144,13 +79,14 @@ static int max8649_list_voltage(struct regulator_dev *rdev, unsigned index)
static int max8649_get_voltage(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+ unsigned int val;
unsigned char data;
int ret;
- ret = max8649_reg_read(info->i2c, info->vol_reg);
- if (ret < 0)
+ ret = regmap_read(info->regmap, info->vol_reg, &val);
+ if (ret != 0)
return ret;
- data = (unsigned char)ret & MAX8649_VOL_MASK;
+ data = (unsigned char)val & MAX8649_VOL_MASK;
return max8649_list_voltage(rdev, data);
}
@@ -170,14 +106,14 @@ static int max8649_set_voltage(struct regulator_dev *rdev,
mask = MAX8649_VOL_MASK;
*selector = data & mask;
- return max8649_set_bits(info->i2c, info->vol_reg, mask, data);
+ return regmap_update_bits(info->regmap, info->vol_reg, mask, data);
}
/* EN_PD means pulldown on EN input */
static int max8649_enable(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_EN_PD, 0);
+ return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD, 0);
}
/*
@@ -187,38 +123,40 @@ static int max8649_enable(struct regulator_dev *rdev)
static int max8649_disable(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_EN_PD,
+ return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD,
MAX8649_EN_PD);
}
static int max8649_is_enabled(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+ unsigned int val;
int ret;
- ret = max8649_reg_read(info->i2c, MAX8649_CONTROL);
- if (ret < 0)
+ ret = regmap_read(info->regmap, MAX8649_CONTROL, &val);
+ if (ret != 0)
return ret;
- return !((unsigned char)ret & MAX8649_EN_PD);
+ return !((unsigned char)val & MAX8649_EN_PD);
}
static int max8649_enable_time(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
int voltage, rate, ret;
+ unsigned int val;
/* get voltage */
- ret = max8649_reg_read(info->i2c, info->vol_reg);
- if (ret < 0)
+ ret = regmap_read(info->regmap, info->vol_reg, &val);
+ if (ret != 0)
return ret;
- ret &= MAX8649_VOL_MASK;
+ val &= MAX8649_VOL_MASK;
voltage = max8649_list_voltage(rdev, (unsigned char)ret); /* uV */
/* get rate */
- ret = max8649_reg_read(info->i2c, MAX8649_RAMP);
- if (ret < 0)
+ ret = regmap_read(info->regmap, MAX8649_RAMP, &val);
+ if (ret != 0)
return ret;
- ret = (ret & MAX8649_RAMP_MASK) >> 5;
+ ret = (val & MAX8649_RAMP_MASK) >> 5;
rate = (32 * 1000) >> ret; /* uV/uS */
return DIV_ROUND_UP(voltage, rate);
@@ -230,12 +168,12 @@ static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)
switch (mode) {
case REGULATOR_MODE_FAST:
- max8649_set_bits(info->i2c, info->vol_reg, MAX8649_FORCE_PWM,
- MAX8649_FORCE_PWM);
+ regmap_update_bits(info->regmap, info->vol_reg, MAX8649_FORCE_PWM,
+ MAX8649_FORCE_PWM);
break;
case REGULATOR_MODE_NORMAL:
- max8649_set_bits(info->i2c, info->vol_reg,
- MAX8649_FORCE_PWM, 0);
+ regmap_update_bits(info->regmap, info->vol_reg,
+ MAX8649_FORCE_PWM, 0);
break;
default:
return -EINVAL;
@@ -246,10 +184,13 @@ static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)
static unsigned int max8649_get_mode(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+ unsigned int val;
int ret;
- ret = max8649_reg_read(info->i2c, info->vol_reg);
- if (ret & MAX8649_FORCE_PWM)
+ ret = regmap_read(info->regmap, info->vol_reg, &val);
+ if (ret != 0)
+ return ret;
+ if (val & MAX8649_FORCE_PWM)
return REGULATOR_MODE_FAST;
return REGULATOR_MODE_NORMAL;
}
@@ -275,11 +216,17 @@ static struct regulator_desc dcdc_desc = {
.owner = THIS_MODULE,
};
+static struct regmap_config max8649_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
static int __devinit max8649_regulator_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct max8649_platform_data *pdata = client->dev.platform_data;
struct max8649_regulator_info *info = NULL;
+ unsigned int val;
unsigned char data;
int ret;
@@ -289,9 +236,14 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
return -ENOMEM;
}
- info->i2c = client;
+ info->regmap = regmap_init_i2c(client, &max8649_regmap_config);
+ if (IS_ERR(info->regmap)) {
+ ret = PTR_ERR(info->regmap);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n", ret);
+ goto fail;
+ }
+
info->dev = &client->dev;
- mutex_init(&info->io_lock);
i2c_set_clientdata(client, info);
info->mode = pdata->mode;
@@ -312,8 +264,8 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
break;
}
- ret = max8649_reg_read(info->i2c, MAX8649_CHIP_ID1);
- if (ret < 0) {
+ ret = regmap_read(info->regmap, MAX8649_CHIP_ID1, &val);
+ if (ret != 0) {
dev_err(info->dev, "Failed to detect ID of MAX8649:%d\n",
ret);
goto out;
@@ -321,29 +273,29 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", ret);
/* enable VID0 & VID1 */
- max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_VID_MASK, 0);
+ regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_VID_MASK, 0);
/* enable/disable external clock synchronization */
info->extclk = pdata->extclk;
data = (info->extclk) ? MAX8649_SYNC_EXTCLK : 0;
- max8649_set_bits(info->i2c, info->vol_reg, MAX8649_SYNC_EXTCLK, data);
+ regmap_update_bits(info->regmap, info->vol_reg, MAX8649_SYNC_EXTCLK, data);
if (info->extclk) {
/* set external clock frequency */
info->extclk_freq = pdata->extclk_freq;
- max8649_set_bits(info->i2c, MAX8649_SYNC, MAX8649_EXT_MASK,
- info->extclk_freq << 6);
+ regmap_update_bits(info->regmap, MAX8649_SYNC, MAX8649_EXT_MASK,
+ info->extclk_freq << 6);
}
if (pdata->ramp_timing) {
info->ramp_timing = pdata->ramp_timing;
- max8649_set_bits(info->i2c, MAX8649_RAMP, MAX8649_RAMP_MASK,
- info->ramp_timing << 5);
+ regmap_update_bits(info->regmap, MAX8649_RAMP, MAX8649_RAMP_MASK,
+ info->ramp_timing << 5);
}
info->ramp_down = pdata->ramp_down;
if (info->ramp_down) {
- max8649_set_bits(info->i2c, MAX8649_RAMP, MAX8649_RAMP_DOWN,
- MAX8649_RAMP_DOWN);
+ regmap_update_bits(info->regmap, MAX8649_RAMP, MAX8649_RAMP_DOWN,
+ MAX8649_RAMP_DOWN);
}
info->regulator = regulator_register(&dcdc_desc, &client->dev,
@@ -358,6 +310,8 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
dev_info(info->dev, "Max8649 regulator device is detected.\n");
return 0;
out:
+ regmap_exit(info->regmap);
+fail:
kfree(info);
return ret;
}
@@ -369,6 +323,7 @@ static int __devexit max8649_regulator_remove(struct i2c_client *client)
if (info) {
if (info->regulator)
regulator_unregister(info->regulator);
+ regmap_exit(info->regmap);
kfree(info);
}
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 9fb4c7b81753..e0bcd75a7cc4 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -152,48 +152,21 @@ struct tps_driver_data {
u8 core_regulator;
};
-static int tps_65023_set_bits(struct tps_pmic *tps, u8 reg, u8 mask)
-{
- return regmap_update_bits(tps->regmap, reg, mask, mask);
-}
-
-static int tps_65023_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask)
-{
- return regmap_update_bits(tps->regmap, reg, mask, 0);
-}
-
-static int tps_65023_reg_read(struct tps_pmic *tps, u8 reg)
-{
- unsigned int val;
- int ret;
-
- ret = regmap_read(tps->regmap, reg, &val);
-
- if (ret != 0)
- return ret;
- else
- return val;
-}
-
-static int tps_65023_reg_write(struct tps_pmic *tps, u8 reg, u8 val)
-{
- return regmap_write(tps->regmap, reg, val);
-}
-
static int tps65023_dcdc_is_enabled(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int data, dcdc = rdev_get_id(dev);
+ int ret;
u8 shift;
if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
return -EINVAL;
shift = TPS65023_NUM_REGULATOR - dcdc;
- data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL);
+ ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
- if (data < 0)
- return data;
+ if (ret != 0)
+ return ret;
else
return (data & 1<<shift) ? 1 : 0;
}
@@ -202,16 +175,17 @@ static int tps65023_ldo_is_enabled(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int data, ldo = rdev_get_id(dev);
+ int ret;
u8 shift;
if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
return -EINVAL;
shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL);
+ ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
- if (data < 0)
- return data;
+ if (ret != 0)
+ return ret;
else
return (data & 1<<shift) ? 1 : 0;
}
@@ -226,7 +200,7 @@ static int tps65023_dcdc_enable(struct regulator_dev *dev)
return -EINVAL;
shift = TPS65023_NUM_REGULATOR - dcdc;
- return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift);
+ return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
}
static int tps65023_dcdc_disable(struct regulator_dev *dev)
@@ -239,7 +213,7 @@ static int tps65023_dcdc_disable(struct regulator_dev *dev)
return -EINVAL;
shift = TPS65023_NUM_REGULATOR - dcdc;
- return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift);
+ return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
}
static int tps65023_ldo_enable(struct regulator_dev *dev)
@@ -252,7 +226,7 @@ static int tps65023_ldo_enable(struct regulator_dev *dev)
return -EINVAL;
shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift);
+ return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
}
static int tps65023_ldo_disable(struct regulator_dev *dev)
@@ -265,21 +239,22 @@ static int tps65023_ldo_disable(struct regulator_dev *dev)
return -EINVAL;
shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift);
+ return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
}
static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
+ int ret;
int data, dcdc = rdev_get_id(dev);
if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
return -EINVAL;
if (dcdc == tps->core_regulator) {
- data = tps_65023_reg_read(tps, TPS65023_REG_DEF_CORE);
- if (data < 0)
- return data;
+ ret = regmap_read(tps->regmap, TPS65023_REG_DEF_CORE, &data);
+ if (ret != 0)
+ return ret;
data &= (tps->info[dcdc]->table_len - 1);
return tps->info[dcdc]->table[data] * 1000;
} else
@@ -318,13 +293,13 @@ static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
if (vsel == tps->info[dcdc]->table_len)
goto failed;
- ret = tps_65023_reg_write(tps, TPS65023_REG_DEF_CORE, vsel);
+ ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, vsel);
/* Tell the chip that we have changed the value in DEFCORE
* and its time to update the core voltage
*/
- tps_65023_set_bits(tps, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_GO);
+ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
return ret;
@@ -336,13 +311,14 @@ static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int data, ldo = rdev_get_id(dev);
+ int ret;
if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
return -EINVAL;
- data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL);
- if (data < 0)
- return data;
+ ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
+ if (ret != 0)
+ return ret;
data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1));
data &= (tps->info[ldo]->table_len - 1);
@@ -354,6 +330,7 @@ static int tps65023_ldo_set_voltage(struct regulator_dev *dev,
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int data, vsel, ldo = rdev_get_id(dev);
+ int ret;
if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
return -EINVAL;
@@ -377,13 +354,13 @@ static int tps65023_ldo_set_voltage(struct regulator_dev *dev,
*selector = vsel;
- data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL);
- if (data < 0)
- return data;
+ ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
+ if (ret != 0)
+ return ret;
data &= TPS65023_LDO_CTRL_LDOx_MASK(ldo - TPS65023_LDO_1);
data |= (vsel << (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1)));
- return tps_65023_reg_write(tps, TPS65023_REG_LDO_CTRL, data);
+ return regmap_write(tps->regmap, TPS65023_REG_LDO_CTRL, data);
}
static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
@@ -511,12 +488,12 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
i2c_set_clientdata(client, tps);
/* Enable setting output voltage by I2C */
- tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_CORE_ADJ);
+ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
/* Enable setting output voltage by I2C */
- tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_CORE_ADJ);
+ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
return 0;
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index b552aae55b41..bb2a08d4e93e 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -25,30 +25,6 @@
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>
-#define TPS65910_REG_VRTC 0
-#define TPS65910_REG_VIO 1
-#define TPS65910_REG_VDD1 2
-#define TPS65910_REG_VDD2 3
-#define TPS65910_REG_VDD3 4
-#define TPS65910_REG_VDIG1 5
-#define TPS65910_REG_VDIG2 6
-#define TPS65910_REG_VPLL 7
-#define TPS65910_REG_VDAC 8
-#define TPS65910_REG_VAUX1 9
-#define TPS65910_REG_VAUX2 10
-#define TPS65910_REG_VAUX33 11
-#define TPS65910_REG_VMMC 12
-
-#define TPS65911_REG_VDDCTRL 4
-#define TPS65911_REG_LDO1 5
-#define TPS65911_REG_LDO2 6
-#define TPS65911_REG_LDO3 7
-#define TPS65911_REG_LDO4 8
-#define TPS65911_REG_LDO5 9
-#define TPS65911_REG_LDO6 10
-#define TPS65911_REG_LDO7 11
-#define TPS65911_REG_LDO8 12
-
#define TPS65910_SUPPLY_STATE_ENABLED 0x1
/* supported VIO voltages in milivolts */
@@ -885,8 +861,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
if (!pmic_plat_data)
return -EINVAL;
- reg_data = pmic_plat_data->tps65910_pmic_init_data;
-
pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@@ -937,7 +911,16 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
goto err_free_info;
}
- for (i = 0; i < pmic->num_regulators; i++, info++, reg_data++) {
+ for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
+ i++, info++) {
+
+ reg_data = pmic_plat_data->tps65910_pmic_init_data[i];
+
+ /* Regulator API handles empty constraints but not NULL
+ * constraints */
+ if (!reg_data)
+ continue;
+
/* Register the regulators */
pmic->info[i] = info;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-31 02:04:58 +0300