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path: root/drivers/regulator/max8998.c
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Diffstat (limited to 'drivers/regulator/max8998.c')
-rw-r--r--drivers/regulator/max8998.c46
1 files changed, 17 insertions, 29 deletions
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 4ca22f9b52e..18bb58b9b96 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
-#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/max8998.h>
@@ -719,16 +718,15 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
return -ENODEV;
}
- max8998 = kzalloc(sizeof(struct max8998_data), GFP_KERNEL);
+ max8998 = devm_kzalloc(&pdev->dev, sizeof(struct max8998_data),
+ GFP_KERNEL);
if (!max8998)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * pdata->num_regulators;
- max8998->rdev = kzalloc(size, GFP_KERNEL);
- if (!max8998->rdev) {
- kfree(max8998);
+ max8998->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+ if (!max8998->rdev)
return -ENOMEM;
- }
rdev = max8998->rdev;
max8998->dev = &pdev->dev;
@@ -752,14 +750,14 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
printk(KERN_ERR "MAX8998 SET1 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set1);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
/* Check if SET2 is not equal to 0 */
if (!pdata->buck1_set2) {
printk(KERN_ERR "MAX8998 SET2 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set2);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
gpio_request(pdata->buck1_set1, "MAX8998 BUCK1_SET1");
@@ -779,7 +777,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 2 */
i = 0;
@@ -791,7 +789,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE2, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 3 */
i = 0;
@@ -803,7 +801,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[2] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE3, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 4 */
i = 0;
@@ -815,7 +813,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[3] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE4, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
}
@@ -825,7 +823,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
printk(KERN_ERR "MAX8998 SET3 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck2_set3);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
gpio_request(pdata->buck2_set3, "MAX8998 BUCK2_SET3");
gpio_direction_output(pdata->buck2_set3,
@@ -840,7 +838,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* BUCK2 register 2 */
i = 0;
@@ -851,7 +849,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
}
for (i = 0; i < pdata->num_regulators; i++) {
@@ -881,14 +879,9 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
return 0;
err:
- for (i = 0; i < max8998->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-
-err_free_mem:
- kfree(max8998->rdev);
- kfree(max8998);
-
+ while (--i >= 0)
+ regulator_unregister(rdev[i]);
+err_out:
return ret;
}
@@ -899,12 +892,7 @@ static int __devexit max8998_pmic_remove(struct platform_device *pdev)
int i;
for (i = 0; i < max8998->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-
- kfree(max8998->rdev);
- kfree(max8998);
-
+ regulator_unregister(rdev[i]);
return 0;
}