mfd: Convert all tps65910 allocation to devm_*

Convert memory allocation and regmap initialization to
use devm_* functions.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 01570a789cf186ba091b0d2b7670ddec97042645..22fa430706596cd6a51702a93a7a0e5af94ea039 100644 (file)
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -218,15 +218,13 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
        if (!pmic_plat_data)
                return -EINVAL;
 
-       init_data = kzalloc(sizeof(struct tps65910_platform_data), GFP_KERNEL);
+       init_data = devm_kzalloc(&i2c->dev, sizeof(*init_data), GFP_KERNEL);
        if (init_data == NULL)
                return -ENOMEM;
 
-       tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL);
-       if (tps65910 == NULL) {
-               kfree(init_data);
+       tps65910 = devm_kzalloc(&i2c->dev, sizeof(*tps65910), GFP_KERNEL);
+       if (tps65910 == NULL)
                return -ENOMEM;
-       }
 
        i2c_set_clientdata(i2c, tps65910);
        tps65910->dev = &i2c->dev;
@@ -234,18 +232,20 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
        tps65910->id = chip_id;
        mutex_init(&tps65910->io_mutex);
 
-       tps65910->regmap = regmap_init_i2c(i2c, &tps65910_regmap_config);
+       tps65910->regmap = devm_regmap_init_i2c(i2c, &tps65910_regmap_config);
        if (IS_ERR(tps65910->regmap)) {
                ret = PTR_ERR(tps65910->regmap);
                dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret);
-               goto regmap_err;
+               return ret;
        }
 
        ret = mfd_add_devices(tps65910->dev, -1,
                              tps65910s, ARRAY_SIZE(tps65910s),
                              NULL, 0);
-       if (ret < 0)
-               goto err;
+       if (ret < 0) {
+               dev_err(&i2c->dev, "mfd_add_devices failed: %d\n", ret);
+               return ret;
+       }
 
        init_data->irq = pmic_plat_data->irq;
        init_data->irq_base = pmic_plat_data->irq_base;
@@ -256,14 +256,6 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
 
        tps65910_sleepinit(tps65910, pmic_plat_data);
 
-       kfree(init_data);
-       return ret;
-
-err:
-       regmap_exit(tps65910->regmap);
-regmap_err:
-       kfree(tps65910);
-       kfree(init_data);
        return ret;
 }
 
@@ -273,8 +265,6 @@ static __devexit int tps65910_i2c_remove(struct i2c_client *i2c)
 
        tps65910_irq_exit(tps65910);
        mfd_remove_devices(tps65910->dev);
-       regmap_exit(tps65910->regmap);
-       kfree(tps65910);
 
        return 0;
 }