regulator: tps65910: use devm_* for memory allocation

use the devm_* apis for memory allocation.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 4833457..521c925 100644 (file)
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -1183,25 +1183,25 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       pmic->desc = kcalloc(pmic->num_regulators,
+       pmic->desc = devm_kzalloc(&pdev->dev, pmic->num_regulators *
                        sizeof(struct regulator_desc), GFP_KERNEL);
        if (!pmic->desc) {
-               err = -ENOMEM;
-               goto err_out;
+               dev_err(&pdev->dev, "Memory alloc fails for desc\n");
+               return -ENOMEM;
        }
 
-       pmic->info = kcalloc(pmic->num_regulators,
+       pmic->info = devm_kzalloc(&pdev->dev, pmic->num_regulators *
                        sizeof(struct tps_info *), GFP_KERNEL);
        if (!pmic->info) {
-               err = -ENOMEM;
-               goto err_free_desc;
+               dev_err(&pdev->dev, "Memory alloc fails for info\n");
+               return -ENOMEM;
        }
 
-       pmic->rdev = kcalloc(pmic->num_regulators,
+       pmic->rdev = devm_kzalloc(&pdev->dev, pmic->num_regulators *
                        sizeof(struct regulator_dev *), GFP_KERNEL);
        if (!pmic->rdev) {
-               err = -ENOMEM;
-               goto err_free_info;
+               dev_err(&pdev->dev, "Memory alloc fails for rdev\n");
+               return -ENOMEM;
        }
 
        for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
@@ -1279,12 +1279,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
 err_unregister_regulator:
        while (--i >= 0)
                regulator_unregister(pmic->rdev[i]);
-       kfree(pmic->rdev);
-err_free_info:
-       kfree(pmic->info);
-err_free_desc:
-       kfree(pmic->desc);
-err_out:
        return err;
 }
 
@@ -1296,9 +1290,6 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
        for (i = 0; i < pmic->num_regulators; i++)
                regulator_unregister(pmic->rdev[i]);
 
-       kfree(pmic->rdev);
-       kfree(pmic->info);
-       kfree(pmic->desc);
        return 0;
 }